FITTER QUESTION 2nd year
(1-125)
1. Why slots are provided in the slotted castle nuts?
A To fix split pins B For good appearance
C Reduce the weight of nut D For easy removal and fitment
Answer: A
2.Which special file is used for narrow work?
A Pillar file B Square file C Dread naught file D Swiss pattern file
Answer: A
3. What is the name of gauge?
A Ring gauge B Plug gauge
C Taper ring gauge D Taper plug gauge
Answer: A
4. Which gauge is used to check the gap between the mating parts?
A Slip gauge B Plug gauge
C Feeler gauge D Radius gauge
Answer: C
5.What is the name of limit gauge?
A Plain ring gauge
B Taper plug gauge
C Progressive plug gauge
D Double ended plug gauge
Answer: C
6 Which material is used to clean the slip gauge?
A Wax
B Kerosene
C Soluble oil
D Carbon tetra chloride
Correct Answer:- D Carbon tetra chloride
7 Which material is to wash off the lapping plate after charging?
A Oil
B Kerosene
C Coolant oil
D Petroleum jelly
Correct Answer:- B Kerosene
8 Which material is used to protect slip gauge from rust?
A Oil
B Wax
C Kerosene
D Petroleum jelly
Correct Answer:- D Petroleum jelly
9 What is the procedure to built up the slip gauge for particular dimension?
A Start wringing with the largest slip gauges
B Maximum number of block
C Built with grade 0 accuracy
D Start wringing with the small slip gauge
Correct Answer:- A Start wringing with the largest slip gauges
10 What is the name of the gauge?
A Plain snap gauge
B Thread snap gauge
C Thread pitch gauge
D Adjustable snap gauge
Correct Answer:- D Adjustable snap gauge
11 Which finishing process have a high degree of dimensional accuracy?
A Filing
B Turning
C Grinding
D Lapping
Correct Answer:- D Lapping
12 Which is the abrasive used for lapping soft steel and non-ferrous metals?
A Silicon carbide
B Diamond
C Boron carbide
D Fused alumina
Correct Answer:- D Fused alumina
13 Why grooves are provided on the surface of the lapping plate?
A To allow expansion
B To provide clearance
C To retain the abrasive
D To permit minor adjustment
Correct Answer:-C To retain the abrasive
14 What is the method of surface hardening?
A Nitriding
B Pack - carburising
C Flame hardening
D Induction hardening
Correct Answer:- B Pack - carburising
15 What is the method of surface hardening?
A Nitriding
B Case hardening
C Flame hardening
D Induction hardening
Correct Answer:-C Flame hardening
16 What is the name of the heat treatment process for reheating the hardened steel to a temperature below 400°C followed by cooling?
A Annealing
B Hardening
C Tempering
D Normalising
Correct Answer:- C Tempering
17 Why the tempering process carried out in steel?
A To add cutting ability
B To relive strain and stress
C To refine the grain structure
D To regulate the hardness and toughness
Correct Answer:- D To regulate the hardness and toughness
18 What is the purpose of annealing in steel?
A To add cutting ability
B To increase wear resistance
C To relieve the internal stress
D To refine the grain structure of the steel
Correct Answer:- C To relieve the internal stress
19 What is the name of the key?
A Sunk key
B Feather key
C Flat saddle key
D Hollow saddle key
Correct Answer:- B Feather key
20 What is the purpose of key?
A To transmit torque
B Assembly purpose
C Lock the assembly part
D Permit clearance between mating part
Correct Answer:- A To transmit torque
21 What is the ratio of key way taper?
21 கீ வே டேப்பரின் விகிதம் என்ன?
A 01:19:00 B 01:20:00 C 01:50:00 D 1:100
Correct Answer:- D 1:100
22 What is the name of key?
A Taper sunk key
B Flat saddle key
C Parallel sunk key
D Hallow saddle key
Correct Answer:- A Taper sunk key
23 Which type of metal screws useful for self tapping on hard or brittle materials?
A Self piercing
B Thread cutting
C Thread forming
D Hammer driven screw
Correct Answer:-
B Thread cutting
24 What is the advantage of wing nut?
A In coach building work
B Heavy duty assembly work
C Loosen and tighten without wrench
D Provide decorative appearance
Correct Answer:- C Loosen and tighten without wrench
25 What is the name of gauge?
A Pitch gauge
B Angle gauge
C Feeler gauge
D Radius gauge
Correct Answer:- D Radius gauge
26 Which gauge is used to check the accuracy of an external thread?
A Snap gauge
B Thread ring gauge
C Thread plug gauge
D Centre gauge
Correct Answer:- B Thread ring gauge
27 What is the instrument used in measuring external diameter?
A Vernier caliper
B Outside caliper
C Parallel leg caliper
D Pair of special jaws by using slip gauge
Correct Answer:-
D Pair of special jaws by using slip gauge
28 Find out the height of slip gauge ‘a’?(sin 25° = 0.4226)
A 84.50 mm B 84.52 mm C 84.51 mm | 84.51 D 85.20 mm
Correct Answer:- B 84.52 mm
29 How many set of feeler gauges are available as per BIS?
A Set No: 1, 2
B Set No: 1, 2, 3, 4
C Set No: 1, 2, 3, 4, 5
D Set No: 1, 2, 3, 4, 5, 6
Correct Answer:- B Set No: 1, 2, 3, 4
30 What material is used to make radius and fillet gauge?
A Tool steel
B Hardened steel steel
C High carbon steel
D Medium carbon steel
Correct Answer:- B Hardened steel steel
31 What is the part marked as ‘x’ in lapping tool?
A Slit
B Bush
C Sleeve
D Groove
Correct Answer:- A Slit
32 What is the purpose of slit provided in the lapping tool?
A For clearance
B For expansion
C To retain abrasive
D To adjust the sleeve
Correct Answer:- B For expansion
33 What is the name of operation?
A Internal ring lapping
B External ring lapping
C Lapping internal cylinder
D Lapping large diameter
Correct Answer:- D Lapping large diameter
34 What type of abrasives are used in honing cast iron and non-ferrous materials?
A Diamond
B Boron carbide
C Silicon carbide
D Aluminium oxide
Correct Answer:- C Silicon carbide
35 Which method of surface hardening, the surface remains free from scales?
A Nitriding
B Case hardening
C Flame hardening
D Induction hardening
Correct Answer:- D Induction hardening
36 What is the process if the steel is heated above critical temperature and soaking it for sufficient time and cooling it very slowly within furnace?
A Annealing
B Hardening
C Tempering
D Normalising
Correct Answer:- A Annealing
37 What is the process to refine the structure of steel component?
A Tempering
B Annealing
C Hardening
D Normalising
Correct Answer:- D Normalising
38 Which method of surface hardening is done in a heated salt bath?
A Flame hardening
B Gas carburising
C Pack carburising
D Liquid carburising
Correct Answer:- D Liquid carburising
39 What is the name of part marked as X
A Taper shaft
B Splined shaft
C Serrated shaft
D Screw pitch gauge
Correct Answer:- C Serrated shaft
40 Which key has rectangular cross section is fit into keyway cut on both shaft and hub?
A Sunk key
B Feather key
C Flat saddle key
D Hollow saddle key
Correct Answer:- A Sunk key
41 Which key is useful for fitting on tapered shafts?
A Feather key
B Gib head key
C Woodruff key
D Flat saddle key
Correct Answer:- C Woodruff key
42 Where is circular taper key used?
A Light duty transmission
B Bi-directional rotation
C Lengthy shaft
D Tapered shaft
Correct Answer:- A Light duty transmission
43 How the plain bearings are kept in a position without allowing them to rotate along with the shaft?
A By clamps
B By bolt and nut
C By key or screws
D By locking device
Correct Answer:- C By key or screws
44 What is the name of key?
A Flat saddle key
B Taper sunk key
C Parallel sunk key
D Hallow saddle key
Correct Answer:- A Flat saddle key
45 What is the name of key?
45 சாவியின் பெயர் என்ன?
A Sunk key
B Feather key
C Gib head key
D Wood ruff key
Correct Answer:- C Gib head key
46 What is the file for lock repair and filing hard notches in keys?
A Pillar file
B Flexible file
C Warding file
D Swiss pattern file
Correct Answer:- C Warding file
47 What is the name of screw?
A Grub screw
B Driver screw
C Self taping screw
D Thread cutting screw
Correct Answer:- B Driver screw
48 What is the advantage of lock washer?
A Provide increased bearing surface
B Prevent the damage to the surface
C Distribute even pressure on working surface
D Prevent bolt or nut from loosening under vibration
Correct Answer:- D Prevent bolt or nut from loosening under vibration
49 What is the name of screw driver?
A Offset screw driver
B Philips screw driver
C Standard screw driver
D Heavy duty screw driver
Correct Answer:- A Offset screw driver
50 What is the name of locking device?
A Tab washer
B Locking plate
C Lock washer
D Spring washer
Correct Answer:- D Spring washer
51 What is the advantage of using Gib headed key?
A Used for tapered fittings
B Can be withdrawn easily
C Provides unidirectional torque
D Good in high speed application
Correct Answer:- B Can be withdrawn easily
52 Which file is used for finishing sharp corners?
A Pillar file
B Riffler file
C Barrette file
D Warding file
Correct Answer:- C Barrette file
53 What is the name of file?
A Tinker’s file
B Crossing file
C Swiss pattern file
D Dread naught file
Correct Answer:- A Tinker’s file
54 Which device is used to check the workpiece to confirm the shape?
A Profile gauge
B Snap gauge
C Caliper gauge
D Progressive gauge
Correct Answer:- A Profile gauge
55 What is the purpose of feeler gauge?
A Check the depth of drilled hole B Check the pitch of screw thread
C Check the radius of workpiece
D Check the gap between the mating parts
Correct Answer:- D Check the gap between the mating parts
56 What is the name of gauge?
A Drill gauge
B Centre gauge
C Profile gauge
D Standard wire gauge
Correct Answer:- D Standard wire gauge
57 Which gauge is used to check the outside diameter of a cylindrical shaft?
A Plug gauge
B Plain ring gauge
C Taper ring gauge
D Progressive plug gauge
Correct Answer:- B Plain ring gauge
58 What is the act of joining the slip gauges together for building up sizes?
A Glazing
B Pinning
C Loading
D Wringing
Correct Answer:- D Wringing
59 What material is used to make sine bar?
A Invar steel
B High speed steel
C High carbon steel
D Stabilized chromium steel
Correct Answer:- D Stabilized chromium steel
60 How the length of sine bar is specified?
A Distance between outer point of roller
B Distance between inner point of roller
C Distance between centre point of rollers
D Distance between the edges of sine bar
Correct Answer:- C Distance between centre point of rollers
61 Which one forms the hypotenuse of the triangle while checking with sine bar?
A Surface plate
B Sine bar width
C Sine bar length
D Slip gauges height
Correct Answer:- C Sine bar length
62 What is the effect of excessive application of abrasive compound in lapping operation?
A Developing inaccuracies
B Bright spots will be visible
C Obstruct component movement
D Lapping compound will be sticky
Correct Answer:- A Developing inaccuracies
63 What is caused if the lap is harder than the workpiece? |
A Workpiece will cut the lap
B Accuracy can’t be obtained
C Lap will cut the workpiece
D Lapping operation leaves high spots
Correct Answer:- A Workpiece will cut the lap
64 Which material is used to make small diameter laps?
A Cast iron
B Aluminium
C Bronze or zinc
D Copper or brass
Correct Answer:- D Copper or brass
65 What is the name of surface texture measuring instrument?
A Dial test indicator
B Electrical surface indicator
C Electronic surface indicator
D Mechanical surface indicator
Correct Answer:- D Mechanical surface indicator
66 Why manual stroking is preferred for large quantities in honing operation?
A To reduce cost
B To reduce time
C To keep close tolerance
D To reduce maintenance cost
Correct Answer:- C To keep close tolerance
67 What is the purpose of hardening?
A Refine the structure
B Increase toughness
C Increase cutting ability
D Relieve stress and strain
Correct Answer:- C Increase cutting ability
68 Which method of heat treatment to improve machinability and ductility in the job?
A Annealing
B Hardening
C Tempering
D Normalizing
Correct Answer:- A Annealing
69 What is the disadvantage of flame hardening in the heat treatment process?
A More distortion
B Long hardening time
C Small depth of hardening | hardening
D Not suitable for small work pieces
Correct Answer:- D Not suitable for small work pieces
70 What is the name of method in metallic coating done by rolling or drawing the layers of metal on the base metal?
A Spraying
B Cladding
C Enameling
D Molten metal bath
Correct Answer:- B Cladding
71 Which type of key used if the hub of pulley has to axially slide on the shaft to some distance?
A Feather key
B Flat saddle key
C Circular taper key
D Hallow saddle key
Correct Answer:- A Feather key
72 What is the name of file?
A Pillar file
B Warding file
C Dreadnaught file
D Swiss pattern file
Correct Answer:- B Warding file
73 Which nut protects the bolt end thread from damages?
A Cap nut
B Castle nut
C Slotted nut
D Knurled nut
Correct Answer:- A Cap nut
74 Which grade slip gauge is used for precision tool room applications?
A Grade 00 B Grade 0 C Grade I D Grade II
Correct Answer:- C Grade I
75 Which material is used to make slip gauge block?
A Tool steel
B Low grade steel
C High grade steel with low thermal expansion
D High carbon steel
Correct Answer:- C High grade steel with low thermal expansion
76 Which operation is performed with fine abrasive particles?
A Filing
B Lapping
C Scraping
D Polishing
Correct Answer:- B Lapping
77 What is the purpose of normalising?
A Add cutting ability
B Develop high hardness
C Increase wear resistance
D Remove stress and strain
Correct Answer:- D Remove stress and strain
78 Which structure of steel contain 0% carbon?
A Ferrite
B Pearlite
C Austenite
D Cementite
Correct Answer:- A Ferrite
79 What is the method of surface hardening?
A Nitriding
B Case hardening
C Flame hardening
D Induction hardening
Correct Answer:- D Induction hardening
80 Which type of key is used for transmitting high torque on both direction of rotation?
A Flat saddle key
B Taper sunk key
C Woodruft key
D Tangential key
Correct Answer:- D Tangential key
81 What is the use of ring gauge?
A Check hole diameter
B Check shaft diameter
C Check tapered shaft diameter
D Check internal thread diameter
Correct Answer:- B Check shaft diameter
82 Which gauge is used to check the accuracy of an internal thread?
A Ring gauge
B Snap gauge
C Thread ring gauge
D Centre gauge
Correct Answer:- C Thread ring gauge
83 What is the name of the gauge?
A Ring gauge
B Snap gauge
C Taper ring gauge
D Internal thread gauge
Correct Answer:- C Taper ring gauge
84 What is the procedure to select the slip gauge for particular dimension?
A Built with grade accuracy
B Minimum number of blocks
C Maximum number of block
D Start wringing with small size slip gauge
Correct Answer:- D Start wringing with small size slip gauge
85 Which process improves the quality of fit between the mating components?
A Filing
B Turning
C Grinding
D Lapping
Correct Answer:- D Lapping
86 Which abrasive is used for lapping hardened steel and cast iron?
A Silicon carbide
B Boron carbide
C Aluminium oxide
D Fused aluminum
Correct Answer:- A Silicon carbide
87 Which finishing operation is performed by the tool that rotate and reciprocate simultaneously?
A Drilling
B Honing
C Lapping
D Grinding
Correct Answer:- B Honing
88 Why holes are provided in ring type lapping?
A Lubrication
B Removal of heat
C Hold lapping compound
D Increase the efficiency
Correct Answer:- C Hold lapping compound
89 Which type of key has one face curvature to match shaft surface?
A Sunk key
B Flat saddle key
C Circular taper key
D Hallow saddle key
Correct Answer:- D Hallow saddle key
90 What is the name of key?
A Parallel sunk key
B Gib head key
C Wood ruff key
D Tapper sunk key
Correct Answer:- A Parallel sunk key
91 Which type of cutting tool is tempered by heating upto 230°C?
A Taps
B Drills
C Turning tool
D Reamers
Correct Answer:- C Turning tool
92 Why normalising process is carried out in steel?
A To add cutting ability
B To develop high hardness
C To remove stress and strain
D To increase wear resistance
Correct Answer:- C To remove stress and strain
93 Which heat treatment process increases the wear resistance of steel?
A Annealing
B Tempering
C Hardening
D Normalising
Correct Answer:- C Hardening
94 What is the purpose of annealing?
A To soften the steel
B To add cutting ability
C To increase wear resistance
D To refine the grain structure of the steel
Correct Answer:- A To soften the steel
95 Why square head screws are provided with collar?
A Protect work surface
B Raise the head width
C Provide leak proof joint
D Provide access for tools
Correct Answer:- A Protect work surface
96 What is the purpose of taper plug gauges?
A Check the hole with perfect fit
B Check the inside threaded dia
C Check tapered hole with perfect fit
D Check the taper accuracy of outside dia
Correct Answer:- C Check tapered hole with perfect fit
97 Why slots are provided in the adjustable ring lap?
A For lubrication
B Permit clearance
C For expansion
D Permit feeding of lapping compound
Correct Answer:- D Permit feeding of lapping compound
98 Which abrasive has excellent cutting properties and expensive?
A Diamond
B Boron carbide
C Silicon carbide
D Aluminium oxide
Correct Answer:- B Boron carbide
99 What is lapping?
A Filing operation
B Grinding operation
C Chiseling operation
D Precision finishing operation
Correct Answer:- D Precision finishing operation
100 What is the name of lap tool?
A Split bush lap
B Adjustable ring lap
C Adjustable solid lap
D Charging cylindrical lap
Correct Answer:- A Split bush lap
101 What is lead of multi start thread?
A Pitch x no of starts
B Lead x no of starts
C Pitch x major diameter
D Pitch x minor diameter
Correct Answer:- A Pitch x no of starts
102 What is the type of screw?
A Hexagon head screw
B Grub screws
C Round head screw
D Square head screw
Correct Answer:- B Grub screws
103 What is the name of the nut?
A Castle nut
B Slotted nut
C T - Nut
D Cap nut
Correct Answer:- A Castle nut
104 What is the name of nut?
A Castle nut
B Hexagon weld nut
C Hexagon nut with collar
D Self locking nut
Correct Answer:- B Hexagon weld nut
105 What is the name of tool?
A Face wrench
B Hook spanner
C Face pin wrench
D Pin wrench
Correct Answer:- B Hook spanner
106 What is the type of screw?
A Hexagon socket head cap screws
B Hexagon head screws
C Counter sink head screws
D Raised cheese hand screws
Correct Answer:- A Hexagon socket head cap screws
107 What is the file that is rectangular in section and parallel in width with one safe edge?
A Dread naught file
B Pillar file
C Warding file
D Swiss pattern file
Correct Answer:- B Pillar file
108 Which file has double cut on faces and single cut at edges?
A Pillar file
B Single cut file
C Rasp cut file
D Warding file
Correct Answer:- D Warding file
109 What is the name of file?
A Pillar file
B Warding file
C Swiss pattern file
D Dreadnaught file
Correct Answer:- C Swiss pattern file
110 What is the name of gauge?
A Thread plug gauge
B Thread ring gauge
C Caliper gauge
D Ring gauge
Correct Answer:- B Thread ring gauge
111 What is the name of gauge?
A Taper gauge
B Snap gauge
C Progressive plug gauge
D Double end plug gauge
Correct Answer:- B Snap gauge
112 What is the use of drill gauge?
A Check the diameter of the drill
B Check the length of the drill
C Check the cutting angle of the drill
D Check the lip length
Correct Answer:- A Check the diameter of the drill
113 What is marked as ‘X’?
A Length
B Depth surface
C Contact rollers
D Width
Correct Answer:- A Length
114 What is marked as ‘X’?
A Height of slip gauge
B Length of sine bar
C Datum surface
D Adjacent side
Correct Answer:- A Height of slip gauge
115 What is the name of gauge?
A Screw pitch gauge
B Angle gauge
C Slip gauge
D Centre gauge
Correct Answer:- D Centre gauge
116 What is the name of gauge?
A Centre gauge
B Screw pitch gauge
C Radius gauge
D Snap gauge
Correct Answer:- B Screw pitch gauge
117 What is the type of gauge?
A Thread ring gauge
B Roller type thread caliper gauge
C Thread plug gauge
D Anvil type thread snap gauge
Correct Answer:- D Anvil type thread snap gauge
118 What is the type of gauge?
A Double ended plug gauge
B Progressive plug gauge
C Taper plug gauge
D Taper ring gauge
Correct Answer:- A Double ended plug gauge
119 What is marked as ‘X ‘?
A Double ended plug gauge - No Go
B Progressive plug gauge - Go
C Taper plug gauge - Go
D Progressive plug gauge - No Go
Correct Answer:- B Progressive plug gauge - Go
120 What is the gauge?
A Snap gauge
B Progressive plug gauge
C Taper ring gauge
D Taper plug gauge
Correct Answer:- D Taper plug gauge
121 What is marked as ‘X’?
A Thread ring gauge - Go
B Thread ring gauge - No Go
C Ring gauge
D Thread pitch gauge
Correct Answer:- B Thread ring gauge - No Go
122 What is the name of gauge?
A Thread ring gauge
B Thread plug gauge
C Thread pitch gauge
D Taper plug gauge
Correct Answer:- B Thread plug gauge
123 What is the quenching media used in heat treatment to obtain faster rate of cooling?
A Brine solution
B Air
C Oil
D Water
Correct Answer:- A Brine solution
124 What is marked as ‘X’ ?
A Upper critical temperature
B Lower critical temperature
C Austenite
D Ferrite
Correct Answer:- B Lower critical temperature
125 What is the angle of elbows and bends that provide diversions?
A 90° & 45° B 30° & 60° C 20° & 40° D 70° & 120°
Correct Answer:- A 90° & 45°
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