CNC Machine Objective Type Questions and Answers

Questions

21 Point-to-point systems are used for _____

A facing

B parting

C reaming

D grooving

Answer: reaming

22 Which of the following statements are correct for CNC machine tool?

1. CNC control unit does not allow compensation for any changes in the dimensions of cutting tool

2. CNC machine tool are suitable for long run applications

3. It is possible to obtain information on machine utilization which is useful to management in CNC machine tool

4. CNC machine tool has greater flexibility

5. CNC machine can diagnose program and can detect the machine defects even before the part is produced

A (1), (2) and (3)

B (2), (4) and (5)

C (3), (4) and (5)

D (2), (3), (4) and (5)

Answer: (3), (4) and (5)

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23 Arrange the below operations in operator controlled machine tool in correct order.

(A) Operator

(B) Process planing

(D) Component drawing

(E) Completed component

A (A) – (D) – (B) – (C) – (E)

B (D) – (B) – (C) – (A) – (E)

C (B) – (D) – (C) – (A) – (E)

D (D) – (B) – (A) – (C) – (E)

Answer: (D) – (B) – (C) – (A) – (E)

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