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MCQ - Mechanical TNPSC JTO
JTO - 436 - Fitter - 436 - Unit VI Turning

76)   

The spindle speed in a lathe is controlled by:

A.
B.
C.
D.
Answer: B
77)   

The lathe bed is usually made of:

A.
B.
C.
D.
Answer: B
78)   

Which part of the lathe houses the feed reversing mechanism ?

A.
B.
C.
D.
Answer: A
79)   

The function of the saddle is to:

A.
B.
C.
D.
Answer: A
80)   

The movement of the cross-slide is:

A.
B.
C.
D.
Answer: B
81)   

The apron contains:

A.
B.
C.
D.
Answer: A
82)   

The tailstock offset method is used for:

A.
B.
C.
D.
Answer: B
83)   

The lathe spindle is located in the:

A.
B.
C.
D.
Answer: C
84)   

Which lathe part transmits rotary motion to the lead screw and feed rod?

A.
B.
C.
D.
Answer: A
85)   

The quill of the tailstock is also known as:

A.
B.
C.
D.
Answer: B
86)   

Reaming operation on a lathe is used for:

A.
B.
C.
D.
Answer: A
87)   

Which lathe operation can produce internal threads?

A.
B.
C.
D.
Answer: A
88)   

In eccentric turning, the workpiece is:

A.
B.
C.
D.
Answer: A
89)   

The process of removing burrs or sharp edges from the end of a workpiece is:

A.
B.
C.
D.
Answer: B
90)   

Which operation combines drilling followed by reaming for high accuracy?

A.
B.
C.
D.
Answer: D
91)   

In tool nomenclature, the side rake angle is measured from:

A.
B.
C.
D.
Answer: C
92)   

Increasing the rake angle generally:

A.
B.
C.
D.
Answer: C
93)   

The end clearance angle helps to:

A.
B.
C.
D.
Answer: A
94)   

The tool signature number “8-14-6-6-8-2-1.5” indicates:

A.
B.
C.
D.
Answer: B
95)   

The radius provided at the tool nose is mainly for:

A.
B.
C.
D.
Answer: A
96)   

The approach angle in a single-point tool affects:

A.
B.
C.
D.
Answer: B
97)   

In tool terminology, the heel refers to:

A.
B.
C.
D.
Answer: B
98)   

Which of the following is not a factor in tool selection?

A.
B.
C.
D.
Answer: D
99)   

Diamond tools are mostly used for:

A.
B.
C.
D.
Answer: C
100)   

For cutting hard cast iron, the preferred tool material is:

A.
B.
C.
D.
Answer: B