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

151)   

 The function of a split pin is to: 

A.
B.
C.
D.
Answer: C
152)   

 Which nut type has slots cut into the top face for a cotter pin to pass through?

A.
B.
C.
D.
Answer: C
153)   

 Which locking device uses a spring-loaded ring to hold the nut in place?

A.
B.
C.
D.
Answer: B
154)   

 A sawn nut is also known as:

A.
B.
C.
D.
Answer: A
155)   

 The main feature of a Lewis foundation bolt is:

A.
B.
C.
D.
Answer: A
156)   

 Which foundation bolt is inserted into a tapered hole and locked by a cotter?

A.
B.
C.
D.
Answer: C
157)   

Foundation bolts are generally used to fix:

A.
B.
C.
D.
Answer: C
158)   

Rag bolts are held in place by:

A.
B.
C.
D.
Answer: B
159)   

Which bolt is tapered and expands by a wedge or cotter?

A.
B.
C.
D.
Answer: C
160)   

A foundation bolt used in stone masonry and grips via irregular projection is:

A.
B.
C.
D.
Answer: A
161)   

 In external threads, the threads are cut on:

A.
B.
C.
D.
Answer: C
162)   

 Which of the following has a flat crest and root with a trapezoidal  form? 

A.
B.
C.
D.
Answer: A
163)   

The lead of a single-start thread is equal to

A.
B.
C.
D.
Answer: C
164)   

 Which thread is suitable for power transmission in one direction only?

A.
B.
C.
D.
Answer: B
165)   

 Right-hand threads are tightened in which direction? 

A.
B.
C.
D.
Answer: A
166)   

 Which thread form is adopted in ISO metric system?

A.
B.
C.
D.
Answer: C
167)   

Unified thread form is mostly used in:

A.
B.
C.
D.
Answer: C
168)   

 Multiple-start threads are mainly used to:

A.
B.
C.
D.
Answer: C
169)   

 Which of the following bolts is used for lifting heavy machine parts?

A.
B.
C.
D.
Answer: C
170)   

Which bolt head is shaped to fit flush with the material surface?

A.
B.
C.
D.
Answer: C
171)   

 A bolt which does not require a nut and fits into a threaded hole is called: 

A.
B.
C.
D.
Answer: B
172)   

 A bolt designed for curved fastening purposes is:

A.
B.
C.
D.
Answer: B
173)   

Cup head bolt is mainly used in:

A.
B.
C.
D.
Answer: C
174)   

Which bolt is best suited for pulling or securing cables or slings?

A.
B.
C.
D.
Answer: A
175)   

Cap nut is used to: 

A.
B.
C.
D.
Answer: B