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MCQ - Mechanical TNPSC JTO
JTO - 551 - Engineering Drawing and Draughtsman - 551 - unit - 06 - Screw Threads Bolts Nuts Washers

76)   

Which washer type is primarily used for adjusting the height or level? 

A.
B.
C.
D.
Answer: B
77)   

 Washers help to avoid:

A.
B.
C.
D.
Answer: A
78)   

  Plain washers are made mostly from:

A.
B.
C.
D.
Answer: C
79)   

 Which washer acts as a cushion between bolt head and surface?

A.
B.
C.
D.
Answer: B
80)   

 In inclined joints, which washer is preferred?

A.
B.
C.
D.
Answer: B
81)   

 Which nut looks like a slotted nut but with more extended slots?

A.
B.
C.
D.
Answer: B
82)   

 The Simmond lock nut ensures locking by:

A.
B.
C.
D.
Answer: B
83)   

 Which locking method is preferred in high-speed rotating parts?

A.
B.
C.
D.
Answer: C
84)   

 Grooved nuts (Penn Ring) use:

A.
B.
C.
D.
Answer: A
85)   

 A sawn nut achieves locking by:

A.
B.
C.
D.
Answer: D
86)   

  Which screw thread profile is best suited for heavy axial loads in one direction only? 

A.
B.
C.
D.
Answer: C
87)   

 What is the purpose of the crest in a screw thread?

A.
B.
C.
D.
Answer: C
88)   

 Which thread form is least likely to wear out under heavy load?

A.
B.
C.
D.
Answer: D
89)   

Which thread type is used in jacks and large presses?

A.
B.
C.
D.
Answer: B
90)   

 In ISO metric threads, the thread angle is standardized at:

A.
B.
C.
D.
Answer: C
91)   

 Which bolt has a flat cylindrical head with no slots or recesses?

A.
B.
C.
D.
Answer: A
92)   

 The difference between a cap screw and a bolt is:

A.
B.
C.
D.
Answer: C
93)   

 Which bolt is often embedded in concrete foundations with a projecting end?

A.
B.
C.
D.
Answer: B
94)   

 Which bolt type is designed with an L-shape for suspension? 

A.
B.
C.
D.
Answer: A
95)   

Which bolt is most commonly used in structural steel joints?

A.
B.
C.
D.
Answer: C
96)   

 The main function of a nut in a fastening system is to:

A.
B.
C.
D.
Answer: C
97)   

 The hexagonal nut is preferred over square nuts because it

A.
B.
C.
D.
Answer: C
98)   

Which nut is generally used in applications where appearance is important? 

A.
B.
C.
D.
Answer: B
99)   

 A ring nut can be tightened using a:

A.
B.
C.
D.
Answer: B
100)   

  The sawn nut achieves locking by:

A.
B.
C.
D.
Answer: C