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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