Manufacturing Processes (3141908) MCQs

MCQs of Metal Cutting Lathes

Showing 121 to 130 out of 160 Questions
121.
How many main types of centers are there in a lathe (most commonly)?
(a) 1
(b) 2
(c) 3
(d) 4
Answer:

Option (b)

122.
Why lathe centers are made of very hard materials?
(a) to resist deflection
(b) to resist wear
(c) to resist deflection and wear both
(d) none of the mentioned
Answer:

Option (c)

123.
The shanks of all the centers are machined to the Morse 0 to 3 tapers.
(a) True
(b) False
Answer:

Option (b)

124.
Self-driving live centers can be used only for soft jobs.
(a) True
(b) False
Answer:

Option (a)

125.
Which of the following is the type of lathe centers?
(a) Ordinary center
(b) Tipped center
(c) Ball center
(d) All of the mentioned
Answer:

Option (d)

126.
Mandrels are used for holding a solid workpiece.
(a) True
(b) False
Answer:

Option (b)

127.
Less common but the very often used method is_____
(a) parallel mandrel
(b) threaded cone mandrel
(c) both parallel mandrel and threaded cone mandrel
(d) none of the mentioned
Answer:

Option (c)

128.
Which of the following is the type of mandrels?
(a) Plain mandrels
(b) Stepped mandrels
(c) Collar mandrels
(d) All of the mentioned
Answer:

Option (d)

129.
Which of the following mandrels are most commonly used?
(a) Plain mandrels
(b) Stepped mandrels
(c) Collar mandrels
(d) None of the mentioned
Answer:

Option (a)

130.
The plain mandrel is suitable for_____ size of the bore.
(a) only one
(b) two
(c) more than two
(d) none of the mentioned
Answer:

Option (a)

Showing 121 to 130 out of 160 Questions