MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit IV Introduction CNC Machines

65)   

Which of the following is not essential in a G71 cycle block?

A.
B.
C.
D.
66)   

In pattern repeat cycles, the main benefit is:

A.
B.
C.
D.
67)   

G70 cycle is used after roughing to:

A.
B.
C.
D.
68)   

Which axis is primarily used for defining contour in internal profile turning?

A.
B.
C.
D.
69)   

The primary benefit of using a pattern repeat cycle is:

A.
B.
C.
D.
70)   

Which thread system is typically used in fluid-tight pipe fittings in plumbing?

A.
B.
C.
D.
71)   

Which of the following is not true about multi-start threads?

A.
B.
C.
D.
72)   

In taper threading on a CNC lathe, constant taper angle is achieved by:

A.
B.
C.
D.
73)   

If tool overhang is too much during grooving:

A.
B.
C.
D.
74)   

The minor diameter of a thread is measured:

A.
B.
C.
D.
75)   

Threads are produced on CNC machines by:

A.
B.
C.
D.
76)   

Which type of tool is required to cut an Acme thread?

A.
B.
C.
D.
77)   

For threading operations, improper pitch setting will cause:

A.
B.
C.
D.
78)   

In threading, the term minor diameter refers to:

A.
B.
C.
D.
79)   

Face grooving is done on:

A.
B.
C.
D.
80)   

What kind of tool failure is common in parting without coolant?

A.
B.
C.
D.