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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit VI Turning

145)   

The half-nut in a lathe is engaged with

A.
B.
C.
D.
146)   

For automatic feed, the carriage is driven by:

A.
B.
C.
D.
147)   

In thread cutting, the correct pitch of thread is obtained by:

A.
B.
C.
D.
148)   

The function of the tumbler gear in a lathe feed mechanism is:

A.
B.
C.
D.
149)   

The term "pitch of a thread" means:

A.
B.
C.
D.
150)   

For cutting a left-hand thread, the feed direction must be

A.
B.
C.
D.
151)   

The quick-change gear box in a lathe is used to:

A.
B.
C.
D.
152)   

In thread cutting, the carriage is moved along the bed by:

A.
B.
C.
D.
153)   

The feed mechanism provided on the apron of a lathe is known as:

A.
B.
C.
D.
154)   

The cutting tool is advanced in which direction during longitudinal feed?

A.
B.
C.
D.
155)   

The cutting tool is advanced in which direction during cross feed?

A.
B.
C.
D.
156)   

The pitch of a thread is controlled by:

A.
B.
C.
D.
157)   

Which gear controls the direction of carriage movement for feed and threading?

A.
B.
C.
D.
158)   

In thread cutting, the cutting tool is set at an angle equal to:

A.
B.
C.
D.
159)   

Which part of the lathe protects the lead screw when it is not in use?

A.
B.
C.
D.
160)   

While cutting metric threads on a lathe, the half-nut lever must be:

A.
B.
C.
D.