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MCQ - TNPSC JTO

JTO - 551 - Engineering Drawing and Draughtsman

551 - unit - 06 - Screw Threads Bolts Nuts Washers

81)   

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

A.
B.
C.
D.
82)   

 The Simmond lock nut ensures locking by:

A.
B.
C.
D.
83)   

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

A.
B.
C.
D.
84)   

 Grooved nuts (Penn Ring) use:

A.
B.
C.
D.
85)   

 A sawn nut achieves locking by:

A.
B.
C.
D.
86)   

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

A.
B.
C.
D.
87)   

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

A.
B.
C.
D.
88)   

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

A.
B.
C.
D.
89)   

Which thread type is used in jacks and large presses?

A.
B.
C.
D.
90)   

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

A.
B.
C.
D.
91)   

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

A.
B.
C.
D.
92)   

 The difference between a cap screw and a bolt is:

A.
B.
C.
D.
93)   

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

A.
B.
C.
D.
94)   

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

A.
B.
C.
D.
95)   

Which bolt is most commonly used in structural steel joints?

A.
B.
C.
D.
96)   

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

A.
B.
C.
D.