153/2015

Maximum: 100 marks Time: 1 hour and 15 minutes

1. The vernier bevel protractor is able to read the angle to an accuracy of----degrees. 1°

2
IP
12
2. method is used in mass production for producing a small length of taper where accuracy is not the criserion.

Form Tool Tail Stock Offset


Swivelling Compound rest None of these


3. In tailstock offset taper turning method, the amount of offset is found by the formula:


2£ 21


L 21
4. Length of a file is the distance from a file to

Tip -Heal Tip -shoulder


Edge -Tang Edge -Heal


5. Multi start threads are used:

When alternating loads have to be transmitted


To achieve a small amount of friction at the flanks of the thread


To achieve a great axial movement with small rotory motion


To achieve a small axial movement with a great rotory motion


6. Quenching is a process to

Stress relieve Wash


Increl;lse strength Harden


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[p.T.O.]
7. The reading accuracy of the steel rule

5 0.5


0.05 0.005


8. The accuracy of measurement by a try square is per lOmm length.

0.001 0.02


0.2 0.002


9. Calipers are used for marking and layout work.

Inside Calipers Vernier Calipers


Oddleg Calipers Outside Calipers


10. Increase of carbon content in steel results in proportional:

Reduction of strength Increase in hardness


Increase in strength Increase in ductility


11. Chisels are used for separating metals after chain drilling.

Cold Flat


Crosscut Web


12. is to remove drills' and sockets from the machine spindle.

Arbor Drift


Hammer Chisel
•



13. Drills are provided with five different sizes of morse tapers and are numbered from:

MTltoMT5 MT 0 to MT 4


MT2toMT6 MT 3 to MT 7


14. can be used for different types of work. like layout work. measurement and checking of angles.

Bevel Protractor Vernier Height Gauge


Combination Set Surface Gauge


15. Sensitive drilling machine is capable of drilling holes diameter.

10 12.5


12 13


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16. Cutting speed is also sometimes stated as

Surface Speed Spindle Speed


Uniform Speed None ofthese


17. In the equation V min ,the unit of d isin
1000
cm m
foot mm
18. Cutting speed for drilling cast iron witll HSS tool per minute.

25-40 20-35


35 -45 20-30


19. In a vernier caliper having 49 main scale divisions divided into 50 in the vernier scale, the value of 1 VSD will be mm.

0.02 0.05


0.98 0.1


20. Angle plates are available in grades.

(C) 10
21. The point angle of a general purpose drill is

118° 115°


116° 120°


22. According to Indian Standard,---_types of drills are used for drilling various metals.

two five


four three


23. In drilling, unequal length of the cutting edges of a drill produce:

Rough holes Overheated drills


Oversized holes SpIlt webs or broken drills


24. is an operation of bevelling the end of a drilled hole.

Counter boring Counter sinking


Spot facing None of these


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25. a ridge of uniform section formed helically on the surface of a cylindrical body.

Taper Knurling


Radius Screw thread


26. The diameter of the thread at which the thread thickness is equal to one-half of the pitch is known as:

Effective diameter Major diameter


Minor diameter Core diameter


27. In tap drill size calculation, minor diameter

Major diameter -depth Major diameter 2x depth Major diameter depth


Major diameter -2xdepth


2
28. are used to cut external threads on cylindrical work pieces.

Taps Chasers


Dies Templates


29. Blank size for external threading D
P d-P

10 10
d+P P

10 10
30. The property possessed by a material to resist sudden load that results during metal cutting is termed as

Cold hardness Toughness


Hot hardness Tenacity


3l. is a non-metallic tool material.

Ceramics High carbon steel


Stellites Carbide


32. In a single point lathe tool, if the top or back rake angle is slopping down from the front
towards the back of the tool, it is known as rake angle.
Negative Positive
Zero None of these

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33. In cutting, the cutting edge is parallel to the axis of the tooL

Oblique Straight


Angular Orthogonal


34. facing is done by feeding the tool from the centre of the work towards the periphery.

Rough Spot


Finish None of these


35. Calculate the. spindle speed to turn a cast iron rode of 7cm diameter, using HSS tooL Take cutting speed for cast iron is 22m/min:

1000 rpm 100 rpm


214 rpm 317 rpm


36. Turning time can be calculated by using the formula time to turn T
lxn IxN

fxn
fxN fxn

lxn IxN
37. Soluble oil is added to water in the ratio of about:

1:20 20:1


15:1 1:15


38. While turning in between centers,----centre is used to face the job.

revolving pipe


ball half


39. is used to support the end of the job where no counter sink hole is permitted.

Swivel V Female


Self driving live Insert Type


40. In a four stepped cone pulley head stock with back gear, the number ofspeeds available is

8 6
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41. Knurling operation is done at a spindle speed the turning speed.
1 3 1 2
1 4 same
42. is used to change the direction of the feed of the tool for the same direction of

rotation of the spindle. •

Spindle gear Tumbler gear unit


Fixed stud gear Apron mechanism.


43. Mass is a quantity.

Fundamental Derived


SI MRS


44. The tool signature is

There is nothing like tool signature


A numerical method of identification of tool


The plan of tool


The complete specification of tooL


45. 1mile km.

1609km 1.609 km


16.09 km 160.9 km


46. -40°C of.

-40 40


-80 80


47. ../0.9

3 0.3


0.949 0.03


48. IfA B 12, B C 10 find A B C
12: 10 4 5
9;8:10 20: 10

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49. Which one of the following is used to check an angle most precisely?
Sine blfr Universal Bevel Protractor
Protractor Combination Set
50. Volume of a hollow cylinder, V
tr(R2 r 2
tr(R r)h tr(R2 _r2

51. Find the side of a square plot whose diagonal is equal to square root of 72

36 18


6 9


52. Magnetism is a----property.

chemical physical


mechanical electrical


53. The property by means of which a metal does not break on twisting or bending

hardness brittleness


toughness ductility


54. Which one of the following is a non ferrous metal?

Pig iron Mild Steel


Nickel Aluminium


55. Medium carbon steel contains of carbon.

0.15 to 0.25 0.1 to 0.2


0.5 to 1.5 0.25 to 0.5


56. Helix angle is formed on the:

Square thread job Lathe bed


Square threading tool Taper Attachment


57. steel is used for making precision measuring instruments. Vanadium steei Stainless steel Invar steel Nickel steel
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58. GunmetaJ is an alloy of:

Copper and Tin Copper, Tin And Lead


Copper, Tin and Zinc Copper, Zinc and Lead


59. material is used to make the heating element in electric iron, heater etc.

Chrome Nichrome


Nickel Copper


60. Purpose of heat treatment is

to soften the metal to reduce brittleness


to refine grain structure all of the above


61. The quantity of matter contained in a substance is its:

Weight Specific weight


Mass Volume


62. is an example for first order lever.

Scissors Nut cracker


Forcepts Lemon squeezer


63. The unit for velocity ratio is

Kg.m m


no unit Newton


64. Indicated horse power IHP

BHP+ FHP BHP-FHP
BHP+FHP



None of these


2
65. The energy of a body possesses because its motion is called

Potential Kinetic


Frictional Wind


66. The ratio of stress to strain with in elastic limit is called:

Hook's law Factor of safety


Modulus of rigidity Young's modulus


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67. vector quantity.

Length Mass


Speed Velocity


68. Melting point of ice is oC.
0 13
10 18
69. Ifan iron rode is heated at one end, heat is transmitted to the other end by

Convection Radiation


Conduction None of these


70. The roughness value Ra of N6 is
0.05 0.8
0.1 0.3
71. The cutting speed of carbide tipped tool as compared to high speed steel is

10 times as great 7 times as great


5 times as great 3 times as great


72. While boring, the cutting speed used is

more than external turning three-fourth of the external turning


the same for external turning half the external turning


73. The width of tool used for cutting 5 mm pitch square thread is

5mm 3.5mm


2mm 2.5mm


74. The rake angle of form tool for form turning is

zero positive


negative high positive


75. T!).e work holding device for concentric machining of outside diameter of work piece with finished bores is

Collet Face plate fixture


Mandrels Three jaw chuck


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[P.T.a.)
76. Self holding tapers have a low taper angle, limited to maximum of:

20° 10°


15° 5°


77. Which one of the following machine reamers does not have the shank as an integral part of the reamer?

Rose reamer Chucking reamer


Shell reamer Machine jig reamer


78. A work piece is to be manufactured with minimum dimension of 60 mm and a tolerance of

0.02. Which of the following specification is correct?

60-002 60",·02

60,0.02


60",·1


79. Increased lip clearance angle of drill results in

Weak cutting edge Rough hole surface


Poor we'dging action Increase point angle


80. The taper ratio of the Brown and Sharp taper BS 1 to BS 18 except number 10 is

1in 15 1in 20


1in 24 1in 18


81. The Yachana Yathra led by V T Bhattathiripad lasted for how many days?
6 7
8 10
82. Name the district of Kerala which shares its border with both TamilNadu and Karnataka:

Wayanad Kozhikode


Palakkad Malappuram


83. Which day is celebrated as the World Forestry Day?

April 22 April 1


March 21 March 2


84. The work written by Brahmananda Sivayogi

Kerala Kaumudi Samatva Samajam


Arulnul Moksha Pradipam



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85. The 'Kochi Pulaya Maha Sabha' was founded under the leadership of:

Vagabhadananda Ayyankali


K.P.Karuppan Chattampi Swamikal


86. The 'Iron Man ofIndia' is

Sardar Vallabhai Patel Dr. B.R. Aunbedkar


V.P. Menon Jawaharlal Nehru


87. In the year 2014, the prestigious Bharat Ratna Award was conferred to

Sachin Tendulkar Prof.Aunartya Sen


Pt. Bhimen Joshi Atal Bihari Vajpaye


91. Name the person who initiated the social reform movement among Nairs:

Mannathu Padmanabhan V.T. Bhattathiripad


Chattampi Swamikal Narayana Panikkar


92. When did Gandhiji begin the Dandi March?

1932 1931


1929 1930


93. The famous temple which lies in the valley of the Brahmagiri peak:

Sringeri temple Sivagiri temple


Tirunelli temple Sabarimala temple


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94. arne the person who formulated the word 'LOKPAL'

LM Singhvi Anna Hassare


Aravind Kejriwal Kiran Bedi


95. The Indian National Movement which became popular during the first World War:

Home Rule Movement Quit India Movement


Jallianwallah Bagh Tragedy Khilafat Movement


96. Name the two mountain passes on the North-west boarder of India:

The Himalayas Khyber and Bolan passes


The Vindhyas and Satpuras North and South Western Ranges


97. The Chairman of the Planning Commission:

The President of India The Prime Minister ofIndia


The Judge of the Supreme Court The Home Minister of India


98. Name the River in Kerala which was once known as the 'English Channel ofIndia'

Mayyazhipuzha (Mahe River) Bharathapuzha


Pamba Periyar


99. In the 35th National Games who won the Gold Medal for 10,000 mtr race:

Preeja Sreedharan Tintu Luka


0.1'. Jaisha V. Shanthini


100. The 'Cannes Award' is given for excellence in which field?

Drama Music


Dance Films


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