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MCQ - TNPSC JTO

JTO - 551 - Engineering Drawing and Draughtsman

551 - unit - 06 - Screw Threads Bolts Nuts Washers

1)   

 What is the lead of a single-start screw thread?

A.
B.
C.
D.
Answer: A
2)   

Which of the following threads is used for power transmission in one direction only?

A.
B.
C.
D.
Answer: C
3)   

 The angle between the flanks of a British Standard Whitworth (BSW) thread is: 

A.
B.
C.
D.
Answer: B
4)   

 Unified threads are based on:

A.
B.
C.
D.
Answer: C
5)   

 Which thread form has a trapezoidal profile?

A.
B.
C.
D.
Answer: B
6)   

 In a right-hand thread, the nut advances when turned:

A.
B.
C.
D.
Answer: B
7)   

 A multiple-start thread is used for

A.
B.
C.
D.
Answer: C
8)   

 Which thread is preferred for low friction power transmission?

A.
B.
C.
D.
Answer: C
9)   

 BA threads are generally used in:

A.
B.
C.
D.
Answer: B
10)   

 The main difference between internal and external thread is:

A.
B.
C.
D.
Answer: C
11)   

 Which bolt is designed specifically for lifting loads?

A.
B.
C.
D.
Answer: B
12)   

 The cap screw is also called:

A.
B.
C.
D.
Answer: B
13)   

The square head bolt is generally used where:

A.
B.
C.
D.
Answer: A
14)   

 Which bolt is suitable for recessed or flush fitting?

A.
B.
C.
D.
Answer: B
15)   

 Hook bolts are used for:

A.
B.
C.
D.
Answer: C
16)   

 Which nut has a collar to prevent loosening?

A.
B.
C.
D.
Answer: B