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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit VI Turning

161)   

The most common device used to hold a cylindrical workpiece in a lathe is:

A.
B.
C.
D.
162)   

A long shaft is usually held in a lathe by:

A.
B.
C.
D.
163)   

The 3-jaw chuck is mainly used for holding:

A.
B.
C.
D.
164)   

A 4-jaw independent chuck is mainly used to hold:

A.
B.
C.
D.
165)   

Mandrels are used in lathes for:

A.
B.
C.
D.
166)   

A faceplate is used in a lathe to hold:

A.
B.
C.
D.
167)   

In the “between centers” method, the job is rotated by:

A.
B.
C.
D.
168)   

Which holding device provides the most accurate centering of work?

A.
B.
C.
D.
169)   

Which of the following is NOT a method of holding jobs in a lathe?

A.
B.
C.
D.
170)   

A job with an off-center hole is best held in:

A.
B.
C.
D.
171)   

The driving plate in a lathe is used along with:

A.
B.
C.
D.
172)   

When a job has no hole for mounting, it can be held securely in:

A.
B.
C.
D.
173)   

For machining thin and flat jobs, the best holding method is:

A.
B.
C.
D.
174)   

In “between centers” holding, the dead center is fitted in:

A.
B.
C.
D.
175)   

A collet chuck is generally used for:

A.
B.
C.
D.
176)   

The method used to hold an eccentric job in a lathe is:

A.
B.
C.
D.