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Solved Rm"er Tradesman (Snufthy) Technical Education Department

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JExamheldonl9.1.2017. Code:A

www.keralapsctips.blogspot.in

I. i'rysquaro 1S used for: Measuring length ofjob Checking squareness ofjob Measuring the width ofjob Checking curved part of thejob 2. Steel contains 0.8 to 1.5% carbon, is known as Mild steel l)ead mild steel Medium carbon steel High carbon steel 3. The ability of a material to resist fracture due to high impact load, is called: (a) Strength (h) Stiffness (c) Toughness (d) Plasticity 4. The percentage ofearbon content in wrought iron is about: (a) 0.02 (b) 0.1(c) 0.2 (d) 0.3 5. Malleable cast iron is produced: By adding magnesium to molten cast iron By quick cooling of molten cast iron From white cast iron by annealing process None of these 6. Melting point ofiron is: (a) 1539°C (b) 1650°C (c) 1229°C (d) 1100°C 7. Which of the following material would readily fracture, if hit with ahanimer? German silver Lead Brass Cast iron S. The temperature at which new grains are formed in a metal is called: Recrystallisation temperature Lower critical temperature Upper critical temperature Eutectic temperature 9. Cyaniding and Nitriding are two methods of: Tempering of steel Hardening Normalizing Case hardening 10. One pound is equal to: (a) 745 gram (b) 453 gram (c) 325 gram (d) 563 gram 11. The peon of the cross peen hammer is: Bend towards the handle Parallel to the handle Perpendicular to the handle Angular to the handle 12. In low carbon steels, presence of small quantities of sulphur improves: (a) Weldahility (h) Machinability (c) Formability (d) Hardenahility 13. Age - hardening is related with: Stainless steel Gunmetal German silver Duralumin 14. Other name of odd - leg caliper is: (a) Outside caliper (b) Inside caliper (c) Jenny caliper (d) Vernier caliper 15. One inch is equal to: (a) 2.54mm (b) 25.4mm (c) 24.5mm (d) 254mm 16. Swages is used for: Finishing round bar Making steps on metal Making grooves on metal None of these 17. An angle which is greater than 180?°, is called: (a) Obtuse angle (b) Acute angle (c) Right angle (d) Reflexangle 18. White cast iron has: (a) Carbon in the form of carbide , High tensile strength Low compressive strength

All of above 19. The operation of making round hole on the metal piece is known as: (a) Roaming (b) Boring (c) Drilling (d) None of above 20. A file removes metal during: Forward stroke Return stroke Both forward and return stroke None of these 21. The difference between upper and lower limits ofadimension, is called: (a) Tolerance (b) Nominal size (c) Basic size (d) Actual size 22. A file with 20 teeth per inch is called: Rough file Bastard file Second cut file Smooth file 23. The instrument used to measure higher temperature in furnace: Thermometer Barometer Calorimeter Pyrometer 24. Steel is made from cast iron by removing all excess: (a) Thngsten (b) Carbon (d) Sulphur (c) Ogen 25. Zinc is produced from tire ore: (a) Pyrites (h) Malachite (c) Calamine (d) None of these 26. Cutting angle of hot chisel is: (a)30° (b)45° (d) 90° (c) 60° 27. Property of material which retain the deformation produced under load permanently: (a) Toughness (b) Malleability (c) Brittleness (d) Plasticity 28. Carbon content in cast ironvaries from: (a) 1.7to4.5% (b)0.l5to0.45% (c) 0.45 to 0.8% (d) 0.8 to 1.5% 29. Point angle of twist drill is: (a) 128° (b) 118° (c)98° (d)l08° 30. Property of material • which enables to be drawn into wire: (a) Malleability (b) Ductility (c) Plasticity (d) Elasticity 311iningof open hearth furnace: Provides insulation to certain heat within the furnace Control impurities in steel Acts as structure Enhance furnace life 32. The most important element which controls the physical properties of steel is: (a) Silicon (b) Manganese (c) Carbon (d) Thngsten 33. File is made by: Low carbon steel Cast iron High carbon steel Copper 34. The cold working of metal is carried out: At recrystallisation temperature Below the recrvstallisation temperature Above recrystallisation temperature At any temperature 85. The fullers are used: For necking down a piece of work For finishing flat surface For finishing punched hole For making holes on metal 36. The flux commonly, used for brazing; Zinc chloride. Ammonium chloride Borax None of these 37. The increase in hardness due to

cold working, is called: Age hardening Whrk hardening Induction hardening Flame hardening 38. Temperature for recrystallisation of steel is: (a) 400°C (b) 600°C (c)800°C (d) 1100°C 39 Gauges used for checking the clearance between mating surfaces. (a) Feeler gauge (b) Snap gauge (c) Slip gauge (d) Plug gauge 40. A hacksaw blade cuts on the: Forward stroke Return stroke Both forward and return stroke Cutting depends upon the direction of force 41. A diamond pointed chisel is used for cutting: (a) Grooves (b) Flat surface (c) Keyways (d) None ofthese 42. Galvanizing isa: Zinc diffusion process Process of coating zinc by hot dipping Process used for making thin phosphate coating on steel None of above 43. The cutting edge of a chisel should be: Hardened Tempered Case hardened hardened and tempered 44. Melting temperature of tin is (a) 669°C (b) 455°C (c)328°C (d)23l°C 45. The cold chisels are made by: (a) Rolling (h) Piercing (c) Forging (d) Drawing 46. The hardest known material is Ceramic Diamond High speed steel Cemented carbide 47. Rivets are generally specified by (a) Shank diameter (h) l)iameter of head (c)Thickness of plate to be rivetted (d)Lengthof rivet 48. The transistor is made of: (b) Gold (a) Silver (c) Copper (d) Germanium 49. Chisel angle used for cutting low carbon steel: (a)40° (b)70° (c)30° (d)55° 50. A twist drill is a: Side cutting tool End cutting tool Front cutting tool None of these 51. The property of a material to regain its original shape after deformation when the external force are removed: (a) Plasticity (b) Ductility (c) Elasticity (d) Malleability 52. In drawing, dimension lines are represented by: Continuous thick line Continuous thin line 1)ashed line None of these 53. Connecting rod is usually made of: Low carbon steel Medium carbon steel High carbon steel Aluminium 54. Swaging is an operation of (a) Forging (b) Hot rolling (c) Extrusion (d) Piercing 55. Forging of plain carbon steel is carried out at: (a) 750 C (b) 900 C

(c) 1050 C (d) 1:300 C 56. Point angle of centre punch is (a) 30 (b) 45 (c) .90 (d) 60 57. Tongs is used for Making grooves on metal Holding the work while hammering Striking on the job None of these 58. The length of file is the distance from Tip to shoulder Tip to handle Tip to heel None of these 59. Which of the following materials cannot be forged? Wrought iron Cast iron Mild steel High carbon steel 60. Which of the following materials is most elastic? (a) Rubber (b) Plastic (c) Brass (d) Steel 61. The property of a material essential for spring materials is (a) Stiffness (b) Ductility (c) Resilience (d) Plasticity 62. Nodular cast iron is produced by adding ........to the molten cast iron (a) Magnesium (b) Nickel (c) Chromium (d) Copper 63. Silicon in cast iron Increase hardness and brittleness Makes the iron soft and easily machinable Makes the iron white and hard Aids fusibility and fluidity 64. The property of a material by virtue of which it can be beaten or rolled into plates is called (a) Malleability(b) Ductility (c) Plasticity (d) Elasticity 65. Bronze is an alloy of Copper and zinc Copper and lead Copper and nickel Copper and tin 66. Vernier calliper is used to measure with an accuracy of (a) 0.2 mm (b) 0.02 mm (c) 0.5mm (d) 0.1 mm 67. The process of increasing the cross - section of a bar by decreasing the length is called (a) Upsetting (b) Drawing down (c) Peening (d) Spinning 68. During hot working of metals Poor surface finished is obtained Close tolerance cannot be maintained Scale is formed on the metal surface All of above 69. German silver contains: 60% copper and 40% zinc 70% copper and 30% zinc 60% copper, 35% zinc and 5% nickel 56% copper, 40% zinc and 4% tin 70. Which of the following impurity in cast iron makes it hard and brittle? (a) Silicon (b) Sulphur (c) Manganese (d) Phosphorus 71. For cutting brass, the hacksaw blade should have ..... teeth per inch (a) 24 (b) 32 (c) 36 (d) 14 72. Cross - section of a chisel is usually. (a) Square (b) Octagonal (c) Rectangular (d) Hexagonal

73. A hacksaw blade is specified by its Length Material Width Number of teeth 74. Swage block is used for Making flat surface on job Making grooves on metal Finishing the job Making different shapes 75. The type of force applied through die in forging is Tensile force Compressive force Shear force Any of above 76. The fuel used in a blast furnace is (a) Coal (b) Coke (C) Wood (d) Producer gas 77. Hardness is the property of a material due to which it Can be rolled or hammered into thin sheets Can be drawn into thin wires Can cut another metal Breaks with little permanent distortion 78. Which of the following material has maximum malleability? Lead Soft steel Wrought iron Copper 79. The cupola is used to nianufacture: (a) Cast iron (b) Pig iron (c) Steel (d) Wrought iron 80. Toughness of a material ............ when it is heated. Remains same Decrease Increase None of these 81. Which Article of the Constitution provides protection to civil servants? Article 288 Article 311 Article 178 Article 183 82. Who suggested the 'Rolling Plan' for the development of our country? J.K.Galbraith Gunnar Mvrdal Pool Samuelson A. K.Sen 83. The Election Commissioner can be removed by: The President The Home Minister The Prime Minister The Parliament 84. The 'Panchasheel agreement' was signed in July 1954 between India and: China The Afro-Asian Countries Evpt Sri Lanka 85. Garibe Hatao' was the key slogan of: Fifth plan Sixth plan Seventh plan Ninth plan 86. December 10 is observed as: World Health Day U.N.Day World Red Cross Day Human Rights Day 87. The first Indira Gandhi Award for "International Justice and Harmony" was given to: Khan Abdul Ghafar Khan Yasar Arafath Mother Teressa Nelson Mandela 88. Who is the Chairman of the

Kerala Planning Board? (a) Prahhat Patnaik (b) Dr.VK. Ramachandran (c) P. Sadashivani (d) C.P.John 89. When was "Sree Narayana Dharma Paripalana Yogam formed? (a) 1865 (b) 1895 (d) 190:3 (e) 1914 wrote 90. Who the hook "Akhilathiruttu"? Chattampi Swamikal Anandatheerthan Brahmananda Sivayogi Vaikunda Swamikal 91. Who was the author of the 'Al Islam' an Arab-Malayalam monthly published in good old days? Vakkain Abdul Khader Moulavi Ali Musaliar Abdul Rahiman Sahib Variyan Kunnath Kunhahammed Hji .92. Who is called 'Sahityapanchanan? Kuttikrishna Marar Joseph Mundasseri RK.Narayana Pillai Ezhuthachchan 93. 'lndulekha' the novel written by O.Chandu Menon was published in the year: (a) 1887 (b) 1888 (c) 1889 (d) 1890 94. "Jatinashinee Sabha" was founded by whom? -

Anandatheerthan

Agamananda Swami Vagbhatanandan Anandayogi 95. Who named Accamma Cheriyan as the "Jhansi of Ilavancore"? E.M.S.Namboodirippadu Jawaharlal Nehru Mahathma Gandhi

A.K.Gopalan 96. Name the peasant struggle with which X.Devavani was associated:

Morazha struggle Karivellur struggikKavumbai struggle Kaypir struggle

97. Name the first Indian SaR'Uiic: (a) Rohini (b) Apple (c) Aryabhatta (d) Bhaskara 98. The first effective vaccine against polio was prepared by: John E Salk John Gibbson Louis Pasture Robert Edward 99. The first Malayalam Cinema Actor who received 'Bharat Award": (a) Prem Naseer (b) Sathyan (c) P.J.Antony (d) Gopi 100. 'Aijuna' award is associated with: (a) Social work (b) Sports and Games (c) Literature (d) Politics

ANSWER KEY 1.B, 2.1), 3.C, IA, S.C. GA, 7.1), 8.A,

9.1), lOB, 11.C. 12.13, 13.1), 14.C, 15.13, 16.A, 17.0, 18.1), 19.C, 20...\. 21.A, 22.A, 23.1), 24.13, 25.C, 26.A, 27.1), 28.A, 29.13, 30.13, 31.1), :32.('. 33.C, 34.13, :35.A, 36.C, 37.13, 38.C.

39.A, 40.A, 41.A, 42.11, 43.1), 44.1). 45.C, 46.13, 47.A, 48.1), 49.D, 50.8, SiC, 52.B, 531, 54.A, 55.1), 56.C, 57.13, 58.C, SOB, 60.1), SIC, 62.A, 63.13, 64.A, 65.1), 66.13, 67.A, 68.1), 69.C, 70.13, 71.D, 72.13, 73.A, 74.1). 753, 76.B, 77.C, 78.A, 79.A, 808,

SIB, 82.B. 83.1), 84.A, 85.A, 86.1). 87.1), 88.B. 89.D, 90.D, 9l.A, .92.t.

93.C, 94.A, 95.C, 96.8, 97.C. 98.A, 99.C. 100.8.