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All 100 questions with answers

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  1. 1.
    PPE 5 stands for
    Show answer and explanation
    Answer: C —
    Eyes and face protection
    PPE 5 refers to eye and face protection equipment.
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  2. 2.
    ABC stands for
    Show answer and explanation
    Answer: B —
    Airway, Breathing, Circulation
    In first aid, ABC stands for Airway, Breathing, and Circulation.
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  3. 3.
    Class C fire is used for
    Show answer and explanation
    Answer: C —
    Gas and liquid gas
    Class C fires involve flammable gases.
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  4. 4.
    The fuel used in a blacksmiths hearth for hand forging is
    Show answer and explanation
    Answer: B —
    Charcoal
    Charcoal is commonly used in blacksmith hearths for hand forging.
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  5. 5.
    The function of fuel in forging is
    Show answer and explanation
    Answer: B —
    To obtain certain heat
    The primary purpose of fuel in forging is to generate the required heat for metal deformation.
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  6. 6.
    The anvil is made out of
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    Answer: C —
    Cast steel
    Anvils are typically manufactured from cast steel to provide durability and hardness.
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  7. 7.
    The anvil is used for
    Show answer and explanation
    Answer: A —
    To support the job
    The anvil serves as a solid base to support the workpiece during forging.
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  8. 8.
    The beak of anvil used for
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    Answer: B —
    Bending to round shape
    The conical beak (horn) of the anvil is specifically designed for bending metal into circular or curved shapes.
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  9. 9.
    Swage blocks are made out of
    Show answer and explanation
    Answer: B —
    Cast iron
    Swage blocks are typically made of cast iron due to its ability to withstand heavy impact and heat.
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  10. 10.
    The usage of grooves and slots provided on the swage block
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    Answer: B —
    To shape the job
    Grooves and slots on a swage block are used to provide specific shapes to the workpiece.
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  11. 11.
    Tongs are used for
    Show answer and explanation
    Answer: A —
    To hold the job
    Tongs are specialized tools used to securely hold hot workpieces during forging.
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  12. 12.
    Flat tongs are used
    Show answer and explanation
    Answer: B —
    Rectangular jobs
    Flat tongs are designed to grip flat or rectangular workpieces.
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  13. 13.
    The specification of hammer is
    Show answer and explanation
    Answer: B —
    Weight and shape of peen
    Hammers are specified by their weight and the shape of their peen (e.g., ball peen, cross peen).
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  14. 14.
    The weight of hammer is stamped on
    Show answer and explanation
    Answer: C —
    Cheek
    The weight of a hammer is typically stamped on the cheek of the head.
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  15. 15.
    The slight convexity is given to the cutting edge of the chisel is
    Show answer and explanation
    Answer: C —
    Prevent digging of the ends
    Convexity on a chisel edge prevents the corners from digging into the workpiece during cutting.
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  16. 16.
    The clearance angle of a chisel is the angle between
    Show answer and explanation
    Answer: A —
    The working surface and the bottom surface of the cutting edge
    The clearance angle is the angle between the bottom face of the tool and the surface being machined.
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  17. 17.
    The pitch of the wave set blade is
    Show answer and explanation
    Answer: B —
    0.8 mm
    The standard pitch for a wave set hacksaw blade is 0.8 mm.
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  18. 18.
    Hacksaw blades are specified by
    Show answer and explanation
    Answer: B —
    Length, pitch and type of material
    Hacksaw blades are specified by their length, pitch (teeth per inch), and the material they are made of (e.g., HSS).
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  19. 19.
    The angle of centre punch is
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    Answer: C —
    90°
    A centre punch has a point angle of 90° to provide a deep seat for drill bits.
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  20. 20.
    The angle of dot punch is
    Show answer and explanation
    Answer: A —
    60°
    A dot punch has a point angle of 60° for marking layout lines.
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  21. 21.
    The tool used to measure length in forging shop is
    Show answer and explanation
    Answer: B —
    Brass rule
    A brass rule is often used in forging shops because it is less prone to corrosion and heat damage compared to standard steel rules.
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  22. 22.
    The tool used for transferring and stepping off distances
    Show answer and explanation
    Answer: C —
    Divider
    Dividers are used for stepping off distances, scribing circles, and transferring measurements.
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  23. 23.
    Files are classified according to their
    Show answer and explanation
    Answer: B —
    Length, shape, cut and grade
    Files are classified based on length, shape, cut, and grade.
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  24. 24.
    The second cut file is used for
    Show answer and explanation
    Answer: B —
    T o give good finish
    A second cut file is a grade of file used to give a good finish and remove smaller amounts of metal.
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  25. 25.
    In double cut file, the overcut is
    Show answer and explanation
    Answer: B —
    70°
    In a double cut file, the overcut is usually at an angle of 70°.
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  26. 26.
    The file used in cases where there is a heavy reduction of metal is
    Show answer and explanation
    Answer: B —
    Bastard file
    Bastard files are commonly used for general work and heavy reduction of metal.
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  27. 27.
    The other name of jenny caliper is
    Show answer and explanation
    Answer: C —
    Hermaphrodite caliper
    Jenny caliper is also known as hermaphrodite or leg and point caliper.
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  28. 28.
    Bench vice is made of
    Show answer and explanation
    Answer: D —
    Cast iron
    The body of a bench vice is commonly made of cast iron.
    Report a mistake
  29. 29.
    The included angle of VEE in v-blocks is
    Show answer and explanation
    Answer: C —
    90°
    The V-slot included angle in V-blocks is standardly 90°.
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  30. 30.
    The accuracy of trysquare is
    Show answer and explanation
    Answer: B —
    0.002 mm per 10 mm length
    The accuracy of a try square is typically 0.002 mm per 10 mm length.
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  31. 31.
    "Never lean on the machine" is comes under
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    Answer: C —
    Personal safety
    Avoiding leaning on a machine falls under personal safety practices.
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  32. 32.
    Which of the statement mentioned is not correct ? 1. Do not give an unconscious person any food or drink 2. Splash water on the face of the unconscious person 3. Do not leave the person alone 4. Do not place a pillow under the head of the unconscious person
    Show answer and explanation
    Answer: D —
    2 only
    Splashing water on the face of an unconscious person is incorrect and not recommended in first aid.
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  33. 33.
    Unguarded machinery is a
    Show answer and explanation
    Answer: D —
    Mechanical hazard
    An unguarded machine presents a mechanical hazard.
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  34. 34.
    The three factors of collision causes are 1. Roads 2. Vehicles 3. Pedestrians 4. Drivers
    Show answer and explanation
    Answer: B —
    1, 2 & 4
    The primary factors contributing to road collisions are roads, vehicles, and drivers.
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  35. 35.
    A material which can permanently be extended in all directions, the material is said to be
    Show answer and explanation
    Answer: B —
    Malleable
    Malleability allows a material to be hammered or rolled into sheets permanently in all directions.
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  36. 36.
    Because of the __________ content, cast iron provides an excellent bearing and sliding surface.
    Show answer and explanation
    Answer: C —
    Graphite
    The free graphite flakes in grey cast iron act as a solid lubricant, making it an excellent bearing and sliding surface.
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  37. 37.
    The ultimate tensile strength of wrought iron is about
    Show answer and explanation
    Answer: D —
    350 newton per sq.mm
    The ultimate tensile strength of wrought iron is approximately 350 N/mm2350 \text{ N/mm}^2.
    Report a mistake
  38. 38.
    In cartridge brass the percentage of copper and zinc is
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    Answer: C —
    70 : 30
    Cartridge brass is composed of 70% copper and 30% zinc.
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  39. 39.
    Which comes under chemical occupational hazard ?
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    Answer: D —
    Corrosive
    Corrosive substances are classified as chemical hazards in an industrial environment.
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  40. 40.
    What is the use of strike-off-Bar ?
    Show answer and explanation
    Answer: A —
    Remove the excess sand from mould
    A strike-off bar is used to level the sand in the moulding box by removing excess material.
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  41. 41.
    What is the purpose of make denseners by same metal of casting ?
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    Answer: C —
    Fuse and become part of casting
    Using denseners (chills) of the same metal ensures they fuse properly with the casting during solidification.
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  42. 42.
    What is the abbreviation of OSI related to network system ?
    Show answer and explanation
    Answer: D —
    Open System Interconnection
    OSI stands for Open System Interconnection, a reference model for network communication.
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  43. 43.
    In admirality gun metal the percentage of Tin is
    Show answer and explanation
    Answer: A —
    10%
    Admiralty gun metal typically contains approximately 10% tin, 88% copper, and 2% zinc.
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  44. 44.
    The solid solution of carbon in gamma iron are called
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    Answer: B —
    Austenite
    Austenite is the solid solution of carbon in gamma iron.
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  45. 45.
    Composite materials are classified according to
    Show answer and explanation
    Answer: C —
    Both
    Composite materials are classified based on both the reinforcement geometry and the matrix material type.
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  46. 46.
    When sand is in its natural moist state it is known as
    Show answer and explanation
    Answer: A —
    Green sand
    Green sand is moulding sand in its natural moist state, containing moisture and clay.
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  47. 47.
    The heat treatment process which is used to increase the toughness and to reduce brittleness is
    Show answer and explanation
    Answer: B —
    Tempering
    Tempering is performed after hardening to reduce brittleness and increase toughness.
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  48. 48.
    Which of the following cast iron cannot be machined ?
    Show answer and explanation
    Answer: C —
    White cast iron
    White cast iron is extremely hard and brittle due to the presence of cementite, making it difficult to machine.
    Report a mistake
  49. 49.
    The purpose of adding wood flour to moulding sand is to improve
    Show answer and explanation
    Answer: C —
    Collapsibility
    Wood flour is added to improve the collapsibility of the mould, preventing cracks during cooling.
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  50. 50.
    Which of the following is not a defect if permeability is not enough ?
    Show answer and explanation
    Answer: D —
    Brittleness
    Low permeability leads to gas-related defects like blowholes and gas holes, not brittleness.
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  51. 51.
    The bottom of cupola is made up of which material ?
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    Answer: A —
    Cast iron
    The bottom doors of a cupola furnace are typically made of cast iron.
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  52. 52.
    Which is used for general purpose grinding of tough materials ?
    Show answer and explanation
    Answer: D —
    Brown aluminium oxide
    Brown aluminium oxide is commonly used for general-purpose grinding of tough materials like steel.
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  53. 53.
    The manufacture has marking on a grinding wheel as 'A36L5V'. The code 'V' represents the
    Show answer and explanation
    Answer: B —
    Bond
    In the standard marking system for grinding wheels, 'V' stands for Vitrified bond.
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  54. 54.
    Which is the fuel of cupola furnace ?
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    Answer: C —
    Coke
    Coke is the primary fuel used in a cupola furnace to melt the metal.
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  55. 55.
    Which metal is used for making metal pattern ?
    Show answer and explanation
    Answer: A —
    Aluminium
    Aluminium is widely used for metal patterns due to its lightweight and corrosion resistance.
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  56. 56.
    Which of the following is the most pattern materials are corrosion prone ?
    Show answer and explanation
    Answer: D —
    Grey cast iron
    Grey cast iron is more prone to corrosion compared to other pattern materials like brass or aluminium.
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  57. 57.
    A pattern carries which allowance for internal and external surfaces ?
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    Answer: C —
    Draft allowance
    Draft allowance is provided on all vertical surfaces of a pattern to facilitate its easy withdrawal from the mould.
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  58. 58.
    What is the use of core ?
    Show answer and explanation
    Answer: C —
    Produce hollow casting
    Cores are used in casting to create hollow sections or internal cavities.
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  59. 59.
    What is the colour code of bins for waste paper segregation ?
    Show answer and explanation
    Answer: D —
    Blue
    Blue bins are standard for paper waste segregation.
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  60. 60.
    Which pattern allowance used for finishing the casting ?
    Show answer and explanation
    Answer: B —
    Machining allowance
    Machining allowance is added to the pattern to provide extra material for finishing operations.
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  61. 61.
    Which material is used for making pattern for mass production ?
    Show answer and explanation
    Answer: B —
    Metal
    Metal patterns are preferred for mass production due to their durability and dimensional stability.
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  62. 62.
    Which is made out of the same pouring metal ?
    Show answer and explanation
    Answer: A —
    Internal chills
    Internal chills are made of the same metal as the casting so they can fuse with it.
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  63. 63.
    Which is used for uniform rate of cooling of a casting ?
    Show answer and explanation
    Answer: D —
    Chills
    Chills are used to control the cooling rate of specific sections of a casting.
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  64. 64.
    What is the advantage of open sand mould ?
    Show answer and explanation
    Answer: B —
    No need box
    Open sand moulds do not require a moulding box (flask) as they are open to the atmosphere.
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  65. 65.
    Which is used for assemble the split core box ?
    Show answer and explanation
    Answer: D —
    Dowel pins and holes
    Dowel pins and holes are used to align and assemble the halves of a split core box.
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  66. 66.
    Which metal is used for making permanent mould ?
    Show answer and explanation
    Answer: A —
    Alloy cast iron
    Alloy cast iron is commonly used for permanent moulds due to its heat resistance and durability.
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  67. 67.
    Which property of moulding sand is used for make the mould number of times ?
    Show answer and explanation
    Answer: C —
    Durability
    Durability refers to the ability of the moulding sand to be reused multiple times.
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  68. 68.
    What is the advantage of machine moulding ?
    Show answer and explanation
    Answer: B —
    High production rate
    Machine moulding significantly increases the production rate compared to manual moulding.
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  69. 69.
    Which gate is called parting line gate ?
    Show answer and explanation
    Answer: C —
    Horse shoe gate
    A horse shoe gate is a type of gating system located at the parting line of the mould.
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  70. 70.
    Which tool is make the pierced venting in core ?
    Show answer and explanation
    Answer: A —
    Sharp wire
    A sharp wire (vent wire) is used to create vents in the core to allow gases to escape.
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  71. 71.
    What is the advantage of stack mould ?
    Show answer and explanation
    Answer: D —
    Less boxes
    Stack moulding allows multiple moulds to be stacked, reducing the number of moulding boxes required.
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  72. 72.
    Which gating system is used for thin section castings ?
    Show answer and explanation
    Answer: B —
    Bench gate
    Bench gates are often used for thin section castings to ensure proper metal flow.
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  73. 73.
    What is known as middle box of three box mould ?
    Show answer and explanation
    Answer: D —
    Cheek
    In a three-part mould, the top is the cope, the bottom is the drag, and the middle section is the cheek.
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  74. 74.
    Which is used for withdraw the huge patterns from mould ?
    Show answer and explanation
    Answer: C —
    Lifting plate
    Lifting plates are attached to large patterns to facilitate their safe removal from the sand mould.
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  75. 75.
    What is the purpose of true centrifugal casting ?
    Show answer and explanation
    Answer: A —
    Make hole in casting without core
    True centrifugal casting uses the rotation of the mould to form the internal shape, eliminating the need for a core.
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  76. 76.
    Which material is used for make the mould in continuous casting process ?
    Show answer and explanation
    Answer: C —
    Graphite
    Graphite is commonly used for the mould in continuous casting due to its high thermal conductivity and resistance to thermal shock.
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  77. 77.
    Which property of moulding sand that particles of same attracting each other ?
    Show answer and explanation
    Answer: B —
    Adhesiveness
    Adhesiveness is the property of sand particles to stick to other materials, while cohesiveness is the attraction between sand particles themselves.
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  78. 78.
    Which material is makes for chill ?
    Show answer and explanation
    Answer: A —
    Metal
    Chills are made of metal (usually cast iron or steel) to absorb heat rapidly from the molten metal.
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  79. 79.
    Which mould process the entire mould is prepared with the help of manpower ?
    Show answer and explanation
    Answer: D —
    Bench mould process
    Bench moulding is a manual process where the mould is prepared by hand on a bench.
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  80. 80.
    What is the reason for using the fine sand to make the mould ?
    Show answer and explanation
    Answer: C —
    For fine surface
    Fine sand is used to achieve a better surface finish on the final casting.
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  81. 81.
    Match List I with List II and select the correct answer from the codes given below. | List I | List II | | :--- | :--- | | (a) India's fastest flowing river | (i) Brahmaputra | | (b) The red river in India | (ii) Gaumukh | | (c) The site of harappa is located on the banks of river | (iii) Teesta | | (d) The Ganges river originates | (iv) Ravi |
    Show answer and explanation
    Answer: C —
    a – iii, b – i, c – iv, d – ii
    Teesta is considered one of the fastest flowing rivers, Brahmaputra is known as the red river, Harappa is on the Ravi, and Ganges originates at Gaumukh.
    Report a mistake
  82. 82.
    The idea of 'trusteeship' is associated with
    Show answer and explanation
    Answer: C —
    The economic idea of Mahatma Gandhi
    Trusteeship is a socio-economic philosophy propounded by Mahatma Gandhi.
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  83. 83.
    The first district in India without any poor residents as per the latest Multidimensional Poverty Index (MPI) released by the NITI Aayog (2021)
    Show answer and explanation
    Answer: D —
    Kottayam
    Kottayam was identified as the first district in India with zero multidimensional poverty according to the NITI Aayog report.
    Report a mistake
  84. 84.
    Which pairs are incorrect ? a. Atmanuthapam - Kuriakose Elias Chavara b. Nijananda Vilasam - Kumaranasan c. Gajendramoksham Vanchippattu - Sree Narayana Guru d. Lankamardanam - Nitya Chaithanyayathi
    Show answer and explanation
    Answer: B —
    b and d
    Nijananda Vilasam was written by Brahmananda Sivayogi, and Lankamardanam was written by Kumaranasan.
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  85. 85.
    There are four main kinds of soil that can be found in Kerala, which among is most fertile ?
    Show answer and explanation
    Answer: B —
    Alluvial soil
    Alluvial soil is generally the most fertile soil type found in river valleys.
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  86. 86.
    The primary objective of the SGRY Scheme is A) To provide additional and supplementary wage employment and thereby provide food security and improve nutritional levels in all rural areas. B) To provide rural people with the right to document their residential properties so that they can use their property for economic purpose. C) To provide pucca house to all who are houseless and living in dilapidated houses in rural areas.
    Show answer and explanation
    Answer: A —
    A only
    The Sampoorna Grameen Rozgar Yojana (SGRY) aimed to provide wage employment and food security in rural areas.
    Report a mistake
  87. 87.
    Which of the books is not correctly matched with the Author ? Author Book A. Mahatma Gandhi - Hind Swaraj B. Dadabhai Naoroji - Poverty and Unbritish Rule in India C. Adam Smith - Principles of Economics D. Karl Marx - Das Capital
    Show answer and explanation
    Answer: C —
    Adam Smith - Principles of Economics
    The book 'Principles of Economics' was written by Alfred Marshall, not Adam Smith.
    Report a mistake
  88. 88.
    Consider the following statements related to Western Ghats and select the incorrect statement. A. The mountain ranges run parallel to the Bay of Bengal. B. The Anamudi peak is the highest peak in the Western Ghats. C. The Western Ghats also known as the Sahyadri mountain ranges.
    Show answer and explanation
    Answer: A —
    Only A is incorrect
    The Western Ghats run parallel to the Arabian Sea, not the Bay of Bengal.
    Report a mistake
  89. 89.
    Which of the following country has hosted the Commonwealth games maximum number of times ?
    Show answer and explanation
    Answer: D —
    Australia
    Australia has hosted the Commonwealth Games more times than any other nation.
    Report a mistake
  90. 90.
    Match List I with List II and select the correct answer from the codes given below. List I List II (a) Vaikunta Swamikal (1) Atmavidya Sangham (b) Brahmananda Sivayogi (2) Araya Samudaya Sanghatana (c) Pandit K.P. Karuppan (3) Samatva Samajam (d) Vagbhatanandan (4) Anandamahasabha
    Show answer and explanation
    Answer: D —
    a – 3, b – 4, c – 2, d – 1
    Vaikunta Swamikal founded Samatva Samajam, Brahmananda Sivayogi founded Anandamahasabha, Pandit K.P. Karuppan founded Araya Samudaya Sanghatana, and Vagbhatanandan founded Atmavidya Sangham.
    Report a mistake
  91. 91.
    Arrange the following in chronological sequence and select the correct answer from the codes given below. 1. The Khilafat Movement 2. The Quit India Movement 3. Swadeshi Movement 4. The Civil Disobedience Movement
    Show answer and explanation
    Answer: C —
    3, 1, 4, 2
    Chronological order: Swadeshi Movement (1905), Khilafat Movement (1919), Civil Disobedience Movement (1930), Quit India Movement (1942).
    Report a mistake
  92. 92.
    The highest literary honour is given by the Kerala Sahitya Akademi, Government of Kerala
    Show answer and explanation
    Answer: B —
    The Ezhuthachan Puraskaram
    The Ezhuthachan Puraskaram is the highest literary honour conferred by the Government of Kerala.
    Report a mistake
  93. 93.
    Identify the Jet stream which is responsible for bringing western disturbances from the Mediterranean region into the Indian subcontinent.
    Show answer and explanation
    Answer: C —
    Westerly Jet stream
    The subtropical westerly jet stream is responsible for bringing western disturbances to India during winter.
    Report a mistake
  94. 94.
    Which of the Movement is correctly matched with the Reformers ? Movements Reformers A. Prardhana Samaj - Atmaram Pandurang B. Satyashodak Samaj - E.V. Ramaswami Naicker C. Self Respect Movement - Jyotiba Phule D. Hitakarini Samaj - Viresalingam
    Show answer and explanation
    Answer: A —
    A and D
    Prardhana Samaj was founded by Atmaram Pandurang and Hitakarini Samaj by Viresalingam.
    Report a mistake
  95. 95.
    Which among the following statement is associated with KIIFB ? A. A government owned financial institution to mobilize fund for infrastructural development. B. A government agency for empowering industrial growth across Kerala. C. To provide investment for projects in the state of Kerala in the sectors of irrigation, road, power, water supply, ports etc. D. If provides support to businesses, export-import facilities etc.
    Show answer and explanation
    Answer: B —
    A and C
    KIIFB (Kerala Infrastructure Investment Fund Board) is a government-owned institution for mobilizing funds for infrastructure projects in sectors like roads, power, and water.
    Report a mistake
  96. 96.
    Match Column A with Column B. Column A Column B a. Santhal Rebellion (i) Malabar b. Bhil Uprisings (ii) Ranchi c. Munda Uprisings (iii) Rajmahal hills d. Kurichya Rebellion (iv) Mangad hills
    Show answer and explanation
    Answer: D —
    a – iii, b – iv, c – ii, d – i
    Santhal Rebellion (Rajmahal hills), Bhil Uprisings (Mangad hills), Munda Uprisings (Ranchi), Kurichya Rebellion (Malabar).
    Report a mistake
  97. 97.
    With respect to "Nai Talim" consider the following statements. A. Mahatma Gandhi's perspective of education is known as Nai Talim. B. This system of education recommended free and compulsory education in mother tongue. C. Implemented three language formula. D. Education should be related to some productive occupations.
    Show answer and explanation
    Answer: A —
    A, B and D
    Nai Talim focused on basic education, mother tongue instruction, and productive work, but did not implement the three-language formula.
    Report a mistake
  98. 98.
    With reference to the project 'Veda' consider the following statements. A. The Veda SLV is a three stage, solid-propellant rocket. B. 'Veda' means vehicle for Defence Application. C. The Veda vehicle is intended for launching defence satellites into a lower orbit. Choose the correct answer from the codes given.
    Show answer and explanation
    Answer: D —
    A, B and C
    All statements regarding the Veda SLV project are correct.
    Report a mistake
  99. 99.
    India's first Science city
    Show answer and explanation
    Answer: C —
    Kolkata
    Science City, Kolkata, is recognized as the first science city in India.
    Report a mistake
  100. 100.
    Which sports event is known as the "BWF Super Series" ?
    Show answer and explanation
    Answer: B —
    Badminton
    The BWF (Badminton World Federation) Super Series is a series of elite badminton tournaments.
    Report a mistake

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