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MCQ - TNPSC JTO

JTO - 551 - Engineering Drawing and Draughtsman

551 - unit - 06 - Screw Threads Bolts Nuts Washers

17)   

  Which nut is enclosed to prevent thread damage?

A.
B.
C.
D.
Answer: C
18)   

  Which of these nuts is mostly used with a split pin for locking?

A.
B.
C.
D.
Answer: B
19)   

A nut with multiple holes on cylindrical sides for tightening is called:

A.
B.
C.
D.
Answer: B
20)   

 Which nut is suitable for frequent tightening/loosening using a spanner? 

A.
B.
C.
D.
21)   

 The main purpose of a washer is to:

A.
B.
C.
D.
22)   

 Which washer provides resistance against loosening due to vibration?

A.
B.
C.
D.
23)   

 A washer with an angled edge to fit inclined surfaces is: 

A.
B.
C.
D.
24)   

Which type of washer is used in high-speed rotating parts for locking?

A.
B.
C.
D.
25)   

 In bolted joints, washers are used mainly to:

A.
B.
C.
D.
26)   

 A cone point screw is preferred when: 

A.
B.
C.
D.
27)   

 A screw with a long cylindrical projection for precise alignment is called: 

A.
B.
C.
D.
28)   

 Which screw point type is used to prevent surface damage?

A.
B.
C.
D.
29)   

 Cup point screws are used to: 

A.
B.
C.
D.
30)   

Which screw has the best holding in soft materials?

A.
B.
C.
D.
31)   

 Which device uses a pin through a slot in the nut and bolt?

A.
B.
C.
D.
32)   

 The Simmond lock nut uses:

A.
B.
C.
D.