FITTER QUESTION 2nd year 3
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?
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg6KNHLc9YEE414qc2qmoFBe9RwVmsPdK4EjVl-NeOFdPRvbS_8r2_qIssgTzzC6qv0hRpgc-FY0r_m6ZNZYqlMrnoFv4B1ZmgyXLptyxfozvZan7txpVwXKdqEP9otb9UnzDF3l8rIOA3771zo_Qf7SJoH2CmL56gt3rTZIkCCHGvOnDXLYgGGzJlZXg/s1600/Capture%20u.JPG)
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?
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?
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgplRCyUwNyR8-SlrExGhJECnvDMYwq_Okpd9JOImsv5dZPpcGNRX4CT2IP3Ah-9_beU9JxajZC9Iki60hg-mYz7FYKZ_PEgedu0qcZW5eP6pF8BB5EEpT4_hBcwfUVK5hZtQmhanIFIhzG_mLe7Cp3aMHe1UcPN4KxRshzlxd8f557v6LmNt3tYuZljw/s320/Capture%20mn.JPG)
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 gauge28 Find out the height of slip gauge ‘a’?(sin 25° = 0.4226)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5afJkxAOz6fAnci-vlGtMvJBijEjpJgrLitN3xZCi5Ulymae5UyWui3yB_vtYWkQML2s0M95TVyPnoW0X8xlVhlAAbQSRQoi0bwMaOmHw8asTp8sexQfOX8afjmeoaTfe-vE_5b5K1Iq4UXp-sOAiSlpFm0cN9dgE5jVh0OiXnggDW6lNmQC-c9XeVQ/s320/Capture%20vv.JPG)
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
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