CNC Vertical Machining Multiple Choice Questions with Answers - Set 01 - ObjectiveBooks

CNC Vertical Machining Multiple Choice Questions with Answers - Set 01

Practice Test: Question Set - 01


1. What is the advantage of CNC machine?
    (A) Less flexible
    (B) Less investment
    (C) Less accuracy
    (D) Complicated jobs machining

2. Which operation is performed by point- to-point system?
    (A) Side milling
    (B) Face milling
    (C) Drilling
    (D) Pocket milling

3. Which code is used for 'Circular interpolation clock wise direction'?
    (A) G01
    (B) G02
    (C) G03
    (D) G00

4. What is the operation to produce internal thread in VMC?
    (A) Reaming
    (B) Tapping
    (C) Drilling
    (D) Boring

5. Which form a program block in CNC?
    (A) Cams
    (B) Levers
    (C) Gears
    (D) Alpha numeric codes

6. What is X-axis movement in VMC?
    (A) Transverse
    (B) Longitudinal
    (C) Up
    (D) Down

7. How CNC machine is controlled?
    (A) By operator
    (B) By program
    (C) Control system
    (D) Electrical unit

8. Which motor is used for table movement on CNC milling?
    (A) Spindle motor
    (B) Hydraulic motor
    (C) Coolant motor
    (D) Servo motor

9. What is part program?
    (A) Instruction to machine
    (B) Instruction to supervisor
    (C) Instruction to manager
    (D) Instruction to operator

10. Which part is used to prevent access into CNC milling?
    (A) Door
    (B) Control panel
    (C) Machine table
    (D) Machine spindle

11. Which device is used for feedback system in CNC?
    (A) Control unit
    (B) Axis motor
    (C) Encoder
    (D) Spindle motor

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