CNC - Part 2

How the co-ordinate system specifies each point uniquely in a plane by?

• In the direction of origin only

• n longitudinal direction

• In cross sectional direction only

• A pair of numerical coordinates

2 How many minimum axis are provided in machining centres?

• 2 axes

• 4 axes

• 3 axes

• 5 axes

3 What is the maximum range of spindle speed?

• 120%

• 90%

• 100%

• 5% only

How much maximum feed range available on CNC

machine?

• The maximum

  feed range 5%

• The maximum

  feed range 75%

• The maximum

  feed range 100%

• The maximum

  feed range 120%

How much percentage of feed, system may activates in rapid traverse?

• 5% only

• 120%

• 100% only

• 50%

Which one of the following code is suitable for spindle rotation in clock wise direction?

• G02

• M03

• G03

• M04

What do you mean by simulation?

• Cross checking of

  programmable

  DATA

• Finding out of

  work offset values

• Finding out of tool

  geometrical values

• Editing of related

  part program

3 What do you mean by MPG?

• Manual Program Graphics

• Manually Pulse Generator

• Manual

  Procedure to

  Calculate

  Geometrical

  Values

• Manually Procure

  the Digital

  Graphics

The CNC key boards have with following keys?

• Alphabic control keys

• Alphanumerical control keys electronic

• Built of CNC codes

• Numerical Data based keys only

Which one of the following command the G02 code indicates?

• Linear interpolation

• Circular interpolation clockwise direction

• Circular interpolation counter clockwise direction

• Cross sectional interpolation