# In NC part programming spindle speed of 730rpmwill be coded by the magic 3 rule as

1.  S673

2.  S730

3.  S630

4.  S037

4

S730

Explanation :
No Explanation available for this question

# In PTP type of NC system

1.  Control of position and velocity of the tool is essential

2.  Control of only position of the tool is sufficient

3.  Control of only velocity of the tool is sufficient

4.  Neither position nor velocity need be controlled

4

Control of only position of the tool is sufficient

Explanation :
No Explanation available for this question

# If the z-axis & x-axis of CNC lathe are provided with straight line controls, it is possible to carry out

1.  Turning and facing only

2.  Turning, facing and taper turning

3.  Turning, facing and thread cutting

4.  Turning, facing and drilling

4

Turning, facing and taper turning

Explanation :
No Explanation available for this question

# The most common interpolation methods in continuous path NC matching are

1.  linear and circular

2.  linear and parabolic

3.  circular and parabolic

4.  circular and elliptic

4

linear and circular

Explanation :
No Explanation available for this question

# Feed motion can be provided with stepper motors in CNC

1.   lathe

2.  drilling machine

3.  milling machine

4.  grinding machine

4

drilling machine

Explanation :
No Explanation available for this question

# A CNC vertical milling machine has to cut a straight slot of 10mm width and 2mm depth by a cutter of 10mm diameter between points (0, 0) and (100, 100) on the XY plane (dimensions in mm). The feed rate used for milling is 50mm/min. Milling time for the slot (in seconds) is

1.  120

2.  170

3.  180

4.  240

4

180

Explanation :
No Explanation available for this question

# In a CNC program block, N002 G02 G91 X40 Z40…., G02 & G91 refers to

1.  Circular interpolation counter clockwise direction and absolute dimension

2.  Circular interpolation counterclockwise direction and absolute dimension

3.  Circular interpolation clockwise direction and Incremental dimension

4.  Circular interpolation clockwise direction and absolute dimension

4

Circular interpolation clockwise direction and Incremental dimension

Explanation :
No Explanation available for this question

# A 21/2 axis control in a typical CNC machine provides

1.  simultaneously tool movements along 2 axes

2.  programmable movement along 3axes but allows simultaneous movement along 2 axes

3.  simultaneous programmable movement along 3 axes in both directions

4.  simultaneous programmable movement along 3 axes but only in one direction

4

programmable movement along 3axes but allows simultaneous movement along 2 axes

Explanation :
No Explanation available for this question

# The component development and manufacturing activities when assisted by a computer are: computer aided graphics (CAG), CAD, CAM, CAPP and computer aided quality control (CAQC). The most appropriate sequence of these activities is

4

Explanation :
No Explanation available for this question

1.  30 V

2.  60 V

3.  33 V

4.  50 V

4