FITTER QUESTION 2nd year
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
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?
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?
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?
A Sunk key
B Feather key
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?
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?
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?
116 What is the name of gauge?
152 What is the purpose of lapping tool?
155 What is the name if hot steel cooled rapidly to form a new structure ?
A Ferrite
B Austenite
C Martensite
D Pearlite
Correct Answer:- C Martensite
156 What is the process to add cutting ability and wear resistance on steel?
A Tempering
B Annealing
C Normalising
D Hardening
Correct Answer:- D Hardening
157 What is the heat treatment process to remove extreme brittleness and induce toughness and shock resistance in steel?
A Tempering
B Annealing
C Normalising
D Hardening
Correct Answer:- A Tempering
158 What is the process of steel being heated to required temperature and held in the same temperature for a period of time?
A Soaking
B Heating
C Quenching
D Hardening
Correct Answer:- A Soaking
159 What is the purpose of brine solution, water, oil and air used in heat treatment process?
A Soaking
B Quenching
C Heating
D Austenite
Correct Answer:- B Quenching
160 What quenching media is used for special alloy steels?
A Brine solution
B Water
C Oil
D Cold Air
Correct Answer:- D Cold Air
161 What is the heat treatment process of reheating the hardened steel to a temperature below 400°C followed by cooling?
A Tempering
B Hardening
C Annealing
D Normalising
Correct Answer:- A Tempering
162 What is the advantage of annealing ?
A To relieve the internal stress
B To add cutting ability
C To refine the grain structure of the steel
D To increase wear resistance
Correct Answer:- A To relieve the internal stress
163 What is the process of removing the internal defects of steel components?
A Annealing
B Normalising
C Hardened
D Tempering
Correct Answer:- B Normalising
164 Which key is used for transmitting light torque?
A Saddle key
B Woodruff key
C Gib head key
D Feather key
Correct Answer:- B Woodruff key
165 How the mechanical properties of steel like strength, toughness, ductility are affected?
A By tempering
B By hardening
C By annealing
D By normalising
Correct Answer:- B By hardening
166 Which bearing material has poor thermal conductivity?
A Nylon
B Teflon
C Sintered alloys
D Laminated phenolics
Correct Answer:- D Laminated phenolics
167 What is the purpose of deep groove type of ball races provided in the ball bearing?
A To withstand shock
B To carry journal loads
C To withstand axial thrust
D To withstand radial load
Correct Answer:- C To withstand axial thrust
168 Why the double row roller bearing is used?
A To take axial load
B To take radial load
C To take heavy axial load
D To take heavy radial load
Correct Answer:- D To take heavy radial load
169 Why the melting point of bearing material should be lower than that of the shaft? |
A Prevents shaft seizure
B Prevent damage to bearing
C Allow the bearing to run efficiently
D Prevent thermal expansion of shaft
Correct Answer:- A Prevents shaft seizure
170 What is the name of washer?
Correct Answer:- C Internal and External washer
171 Which alloying metal bearing can work at higher temperature and higher load carrying capacity?
A Cast iron
B White metal
C Copper lead alloys
D Cadmium based alloy
Correct Answer:- D Cadmium based alloy
172 What is the method of metal coating?
174 Which metal protects corrosion resistant and does not crack or peel off due to temperature variation on coating?
A Zinc
B Nickel
C Copper
D Chromium
Correct Answer:- A Zinc
175 Which corrosion resistant metal is used in chemical plant and food processing?
A Lead
B Copper
C Aluminium
D Stainless steel
Correct Answer:- D Stainless steel
176 What is the purpose of thrust ball bearing?
A Axial load
B Radial load
C Axial thrust load
D Vertical thrust load
Correct Answer:- D Vertical thrust load
177 What is the name of bearing?
179 What is the operation of a metal coated with other metal to obtain protecting surface?
A Cladding B Galvanising
C Cementation
D Electroplating
Correct Answer:- D Electroplating
180 Which metal powder is used in calorising process to prevent corrosion?
A Zinc powder
B Nickel powder
C Chromium powder
D Aluminium powder
Correct Answer:- C Chromium powder
181 What is the temperature required to process the chromising for prevention of corrosion?A 900 to 1100°C B 1000 to 1100°C C 1100 to 1200°C D 1300 to 1400°C
Correct Answer:- D 1300 to 1400°C
182 Which metal has high resistance to chemical reaction?
A Lead
B Nickel
C Copper
D Aluminium
Correct Answer:- B Nickel
183 What is the name of part marked ‘X’?
191 What is the name of bearing?
191 What is the name of bearing?
221 What is the name of the plumber tool to assemble or dismantle pipes of 50 mm to 150 mm diameter?
A Strap wrench
B Chain pipe wrench
C Stillson pipe wrench
D Foot point pipe wrench
Correct Answer:- B Chain pipe wrench
222 What is the name of pipe line symbol?
225 What is the name of part marked as ‘X’ in water tap?
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