S (4) - 2

NAME

Which mode is used for moving the turret in X and Z direction?

• Jog mode
• Edit mode
• Auto mode
• MDI mode

In Which mode we can input the program command manually?

• Auto mode
• Jog mode
• MDI mode
• Edit mode

Which mode the program will be executed continuously one block after another block?

• Jog mode
• Auto mode
• Edit mode
• Manual mode

How many ways CNC machine tool systems can be classified?

• 1
• 2
• 3
• 4

Why in CNC machine tool, the part program entered in edit mode is stored into the computer memory?

• Can be used only once
• Can be used again and again
• Can be used again but it has to be modified every time
• Cannot say

Which is the advantage of CNC machine over conventional machines?

• High cutting speed
• Feed back control
• High feed
• Mass production

Which is the operation in point to point system used?

• Drilling
• Parting
• Grooving
• Facing

Which of the following feed back devices can sense both speed and position?

• Resolver
• Tachometer
• Encoder
• Motor

Encodor is used in CNC machine tool to sense and control?

• Spindle speed
• Spindle position
• Table position
• Work position