TRADESMAN - TURNING - TECHNICAL EDUCATION.pdf (Size: 1.26 MB / Downloads: 2)

163/2016
Maximum : 100 marks
Time : 1 hour and 15 minutes

1. The Lathe Centres are provided with standard taper known as :
(A) Brown and sharp taper
(B)Morse taper
(C ) Seller’s taper
(D)Brown taper

2.The chuck used for setting up of heavy and irregular shaped work should be ?
(A) Four jaw independent chuck
(B)Three jaw universal chuck
(C ) Magnetic chuck
(D)Collet chuck

3.The Chamfaring is an essential operation after :
(A) Boring
(B)Rough turning
(C ) Knurling
(D)Thread cutting

4.Least count of steel rule is :
(A).25 mm
(B).1 mm
(C ).5 mm
(D).2 mm

5.The heat treatment process for softening hardened steel is :
(A) Carburising
(B)Normalising
(C ) Annealing
(D)Tempering

.Steel containing 0.8 to 1.5% carbon is known as :
(A) Mild Steel
(B)High Carbon Steel
(C ) Dead Mild Steel
(D)Medium Carbon

7.A lathe with four steps on the cone pulley and with back gears will have :
(A) Four direct speeds
(B)Four indirect speeds
(C ) Four direct and four indirect speeds
(D)Eight indirect speeds

8.Least count of vernier caliper metric is :
(A) 0.02 mm
(B)0.01 mm
(C ) 0.00001 mm
(D)0.0004 mm

9.For turning internal tapers, the suitable method is:
(A)by setting over the tail stock
(B)by a form tool
(C )by a taper turning attachment method
(D)none

10. The percentage of carbon in cast iron varies from :
(A)0.1 to 0.5
(B)0.5 to 1
(C )1.7 to 4.5
(D)0.2 to 3

11.The correct order of increasing hot hardness of cuttingtool materials:
(A)Diamond, Carbide, High speed steel
(B)Carbide, Diamond, High speed steel
(C )High speed, Carbide, Diamond
(D)None

12.Americannational standard thread is :
(A)58°
(B)65°
(C )AT
(D)60°

13.A single point thread cutting tool should ideally have :
(A)Point angle
(B)Zero rake angle
(C )Positive rake angle
(D)Negative rake angle

14.The alloy, mainly used for corrosion resistance instainless is
(A)Manganese
(B)Silicon
(C )Carbon
(D)Chromium

15.The heat treatment process used for casting is:
(A)Normalising
(B)Annealing
(C )Tempering
(D)Carburising

16.The taper on the lathe spindle is :
(A)2 to 20
(B)3 to 20
(C )1 in 20
(D)4 in 20

17. Tumbler gears in lathe are used to :
(A)Cut gears
(B)Cut taper
(C )Reduce the spindle speed
(D)Give desired direction of movement to the lathe carriage

18. In which, Coolant is used for Aluminium turning :
(A) Dry
(B)Kerosene
(C ) Soda water
(D)Lard oil

19.The cutting speed for drilling copper with high speed;steel drill varies 

from
(A) 18 to 30 m/min
(B)8 to 15 m/min
(C ) 30 to 45 m/min
(D)10 to 30 m/min

20.The blade of power saw is made of:
(A) Cast Iron
(B)Aluminium
(C ) High speed steel
(D)High carbon steel

21.British association thread angles is :
(A) 3 T
(B)27°
(C ) 57
(D)471/2°

22.The material commonly used for machine bodies is :
(A) Cast Iron
(B)Aluminium
(C ) Brass
(D)Mild Steel

23.Acme screw thread angles is :
(A) 49°
(B)29°
(C ) 39u
(B)19°

24.Which coolant is used for mild steel for Lapping9
(A) Kerosene
(B)Turpentine
(C ) Lard oil
(D)Dry

25.Which of the following material have maximummalleability?
(A) Soft steel
(B)Copper
(C ) Cast iron
(D)Lead

26. Angle of B.S.W. thread is : 
(A) 50° 
(B)
(C ) 55°
(D)

27. Which of the following is a mesomorphous material?
(A) Silver
(B)
(C ) Brass
(D)

28.High speed steel temperature is :
(A) 900° C
(B)
(C ) 300°
(D)

29.What is cutting Feed’?
(A) Tool advance for 2 minute
(B)
(C ) Tool advance for 4 minute
(D)

30.What is lip angle?
(A) 20° to 40°
(B) 30° to 50°
(C ) 60° to 80°
(D) 80° to 120°

31.An Alloy of copper, tin and zinc is known as :
(A) Brass
(B) Gun metal
(C ) Bronze
(D) Cast iron

32.What is cutting speed?
(A)Tool advance for work in one minute
(B)Tool advance for 3 minute
(C )Tool advance for 2 minute
(D)Tool advance for one rotation

53°
600
Lead
Mica
1000
2600°
Tool advance for 3 minute Tool advance for one rotation
 
 
33.Discontinuous chips are formed during machining of:
(A)Brittle metals
(B)Hard metals
(C )Soft metals
(D)Hard and soft metals

34.The angle made by the face of the tool and the plane parallel to the base 

of cutting tool is called:
(A) Cutting angle
(B)Lip angle
(C ) Rake angle
(D)Clearance angle

35.The lower critical point for all steel is :
(A) 623° C
(B)723° C .
(C ) 913° C
(D)523° C

36.Combination central drill angle is :
(A) 55°
(B) 118°
(C ) 29°
(D) 60°

37.Carbide tipped tools usually have :
(A) Any rake angle
(B)Positive rake angle
(C ) Negative rake angle
(D)No rake angle

38.Hard and tough materials like cast iron should be turned at:
(A)Slow speed
(B) High speed
(C )Any speed
(D) Very high speed

39.Ceramic tools are fixed to tool body by :
(A)soldering
(B) brazing
(C ) welding
(D) clamping

40.For machining a mild steel work piece using carbide tool, the maximum 

material will be removed at a temperature of:
(A) 200° C
(B)300“ C
(C ) 175° C
(D)1000 c

41.Lathe centrers angles is :
(A) 55°
(B) 65°
(C ) 60°
(D) 700

42.Crater wear is predominant in :
(A) Tungsten carbide tools
(B)Carbon tool steels
(C ) High speed steel
(D)Carbon tip tool

43. Which type of tools are used on Lathe shapper and planer?
(A) Two point cutting tool
(B)Three point cutting tool
(C ) Multi point cutting tool
(D)Single point cutting tool

44.Twist drill standered cutting angle is :
(A)90°
(B)55°
(C )1180
(D)60°

45.The swing diameter over the bed isthe height of the centre measured
bed of the lathe.
(A) Equal to
(B)Twice
(C ) Thrice
(D)One half

46.The diamond tool material at temperature upto:
(A) 16500C
(B) 1300"C
(C ) 1200“C
(D)1400" C

47.The chuck preferred for quick setting and accurate centering of a job is:
(A) Four jaw independent chuck
(B)Collect chuck
(C ) Magnetic chuck
(D)Three jaw universal chuck

48.The cutting fluid mostly used for machining steelis:
(A) Water
(B)Dry
(C ) Heavy oil
(D)Soluble oil

49.The point angle of a drill, for drilling stainless steel is
(A) 90°
(B)118°
(C ) 135°
(D)150°

50.The steel widely used for making precision measuringinstruments is:
(A) Nickel steel
(B)Nickel — Chromium steel
(C ) High speed steel
(D)High carbon steel

51.With the same tool life, the maximum material per minute is removed by :
(A) Increasing the feed rate
(B)Decreasing the cutting speed
(C ) Increasing the cutting speed
(D)Increasing the depth of cut 


52.The lead screw of a lathe has threads.
(A)single start 
(C )V. thread
(B)double start 
(D)multi-start

53.The least count of the vernier bevel protractor is :
(A)6 minute
(B) 7 minute
(C ) 8 minute
(D) 5 minute

54.Screw pitch gauge is mainly used to check :
(A)Boring
(B)Used to check external and internal threads
(C )Knurling
(D)Under cutting

55.An operation of embossing a diamond shaped pattern on the surface of work 

piece, is known
(A) Threading
(B) Grooving
(C ) Knurling
(D) Step cutting

56.Drilling is an example of:
(A) multi cutting
(B)oblique cutting
(C ) simple start cutting
(D)orthogonal cutting

57.A sine bar is specified by its :
(A) width
(B)length
(C ) diameter
(D)step

58.What material is used to make scriber?
(A) Carbon tool steel
(B)High carbon tool st
(C ) High speed steel
(D)Mild steel

59.Who is the founder of fundamental principle of screw cutting lathe?
(A) Henry Richards
(B)Samuel
(C ) Henrimanslae
(D)Wilson de Paul

60. What is the angle of worm thread?
(A)49°
(B) 55°
(C ) 47°
(D) 29°

61. Formula for finding R.P.M. in British system :
(A)Cutting speed x 12
(B)Cutting speed x 24 DL
(C )Cutting speed x 18 D
(D)Cutting speed x 20 x D

62.The operation of making a cone - shaped enlargement of the end of a hole 

is known as :
(A)counter - boring
(B) spot facing
(C ) boring
(D) counter - sinking

63.Trepanning is an operation of:
(A)Making a cone - shaped enlargement of the end of a hole
(B)Producing a hole by removing metal along the circumference of a hollow 

cutting tool
(C )Smoothing and squaring the surface around a hole
(D)Finishing a small diameter hole

64.The washer is generally specified by its :
(A)Outer diameter
(B)Thickness
(C )Mean diameter
(D)Hole diameter

65.Low helix angle drills are preferred for drilling holes in :
(A)Copper
(B)Aluminium
(C )Plastics
(D)Cast steel

66.A tool used to with draw a drill from the sleeve is called:
(A)Drill puller
(B)Brill drawer
(C )Drill rotator
(D)Drift

67.The enlarging of an existing circular hole with a rotating single point 

tool is called:
(A)boring
(B)reaming
(C )drilling
(D)knurling

68.The grinding of long, slender shafts or bars is usually done by :
(A)In feedgrinding
(B)End feed grinding
(C )Through feed grinding
(D)Speed grinding

69.The cutting fluid mostly used for machining alloy steels is :
(A)water
(B)sulphurised mineral oil
(C )solubleoil
(D)dry

70.The trade name of a non ferrous cast alloy composed of cobalt, chromium 

and tungsten is called:
(A) stellite 
(B)diamond
(C ) cast iron
(D)ceramic

71.Tool signature consists of------
(A) Six
(C ) Seven
(B)Four
(D) Eight

72.A grinding wheel is said to be of elements if it holds the Abrasive grains 

more securely.
(A) Soft grade 
(B)Hard grade
(C ) High grade
(D) Medium grade

73.The process of changing the shape of grinding wheel as it becomes worn due 

to breaking away of the abrasive and bond, is called :
(A)Turning
(B)Facing
(C )Boring
(D)Dressing

74.Chip breakers are used to :
(A)increase tool life
(B)to minimise heat generation
(C )remove chips from bed
(D)break the chips into shortsegments

75.The lathe spindles are usually made hollow and provided with :
(A)Internal taper
(B)No taper
(C )External taper
(D)Step taper

76.In order to achieve a specific surface finish in single point turning, the 

most important factor to be controlled is :
(A) feed
(B) cutting speed
(C ) under cutting
(D) depth of cut

77.A Hacksaw blade is specified by its :
(A) Width
(B) Number of teeth
(C ) Length
(D) Material

78.The instrument used to measure external and internal diameter of shafts, 

thickness and depth of holes is :
(A) Out side caliper
(B)Vernier caliper
(C ) Inside caliper
(D)Inside micrometer

79.According to Indian standards, the total number of tolerance grades are :
(A) 18
(B) 14
(C ) 13
(D) 8

80.Formula for finding cutting speed in metric system :
(A)xDx RPM 100
(B)kDxRPM 2000
(C )xDxRPM 1000
(D)nDxRPM 1200

81.type of sand is produced after the mechanical disintegration process.
(A) Mountain soil
(B) Red soil
(C ) Black soil
(D) Arid soil

82.Gersoppa waterfalls originated from :
(A) Narmada
(B) Mahanadi
(C ) Tapti
(D) Sharavati

83.Pannadiamond belt situated at:
(A) Gujarat
(B) Rajasthan
(C ) Madhya Pradesh
(D) Bihar

85.would taken for?
(A)10 hours 24 minutes
(C )13 hours 30 minutes
(B)11 hours 26 minutes
(D)12 hours 26 minutes

86.Industrial Credit and Investment Corporation
(A)1953
(B)1955
(C )1954
(D)1951

86.The National Bank for agriculture and recommendation of:
(A) B. Sivaraman Committee 
(B) Gopalram Committee
(C ) Chandra Sekharan Committee
(D) Kamath Committee

87.Which one of the following newspaper that was started by Rajaram Mohan 

Roy?
(A)Bengal Gazzette
(B)Al-Hilal
(C )Mirat-Ul-Akbar
(D)The Statesman

88.Universities of Calcutta, Bombay and Madras started by :
(A)Lord Wellington
(B)Lord Irwin
(C )Lord Canning
(D)Lord Ripon

89.In 1928 all parties conference held at Calcutta which has approved?
(A)CR Formula
(B)Nehru Report
(C )Swedeshi Movement
(D)Non-CooperationMovement

90.Mahatma Gandhi called Tagore as :
(A)Guro
(B)Guru Dev
(C )Rana
(D)Pratap

91.-----------is one of the rain shadow region in Kerala.
(A) Ponmudi
(B) Athirappilli
(C ) Marayur
(D) Pookkod

92.Who is the author of ‘Adwaitha Chintha Paddhathi’?
(A)Dr. Palppu
(B)Chattambi Swamikal
(C )Sree Narayana Guru
(D)Mannath Padmanabhan

93. V.T. Bhattathirippad wrote the book :
(A)Kunthalatha
(B)Rajani Rangam
(C )Ulakka
(D)Premamrutham

94. Who led Ezhava Memorial?
(A)Kumaranasan
(B)Dr. P. Palppu .
(C )Vagbhatananda
(D)Pandit Karuppan

95. In 1910 which social reformer nominated to SreeMoolam Praja Sabha?
(A)Thycaud Ayya
(B)Ayya Vaikundar
(C )Ayyankali
(D)Pandit Karuppan

96. The founder of the newspaper Swadeshabhimani is:
(A)Swadeshabhimani Ramakrishna Pillai
(B)Vakkom Muhammed Abdul Moulavi
(C )Mannath Padmanabhan
(D)Herman Gundart

97.In 2016 COPA America Football Tournament, who won the Golden Boot Award?
(A)Lionel Messi
(B)Christiano Ronaldo
(C )Edurado Vargas
(D)Lui Suaras.

98.The name Safari Karmachari Andolan associated with:
(A)Medhapatkar
(B)Kailash Sathayarthi
(C )Beswada Wilson
(D)Dr. Binayak Sen

99.Who has been newly appointed as Chairman of KeralaChalachithra Academy?
(A)Kamal
(B)Lenin Rajendran
(C )Priyadarsan
(D)Rajeev Nath

100.2016 NSGplenary held at:
(A)China
(B)Brazil
(C )South Korea
(D)Japan