009/2022 - Operator - Kerala Agro Machinery Corporation Ltd.

Question 1

In linear indexing if the dividing head spindle and lead screw spindle are connected with gear ratio of 1:1 and lead screw of milling machine has a pitch 5 mm then one rotation of index crank move the table :

Accepted Answer

0.125 mm

Answer

0.0125 mm

Answer

1.25 mm

Answer

12.5 mm

Question 2

Disadvantage of CNC machine :

Accepted Answer

High maintenance cost

Answer

Reduced scrap and rework

Answer

Reduced inspection time

Answer

All of the above

Question 3

Standard marking on grinding wheel is 51-A46H5V8. The letter "H" denotes :

Accepted Answer

Grade

Answer

Grit

Answer

Bond

Answer

Structure

Question 4

In CNC turning centre, which type guide way that doesn"t affected the alignment with spindle axis by wear and tear :

Accepted Answer

V – bed

Answer

Flat - bed

Answer

Cylindrical

Answer

Both (B) and (C)

Question 5

Telescopic gauges are used to measure :

Accepted Answer

Holes ranges from 12.7 mm to 152.4 mm

Answer

Holes below 12 mm

Answer

Shafts below 12 mm

Answer

Shafts ranges from 12.7 mm to 152.4 mm

Question 6

Tolerance obtained in cylindrical grinder is:

Accepted Answer

0.0025 mm

Answer

0.025 mm

Answer

0.005 mm

Answer

0.0005 mm

Question 7

A left hand helix is to be cut if an operator standing in front of the machine facing the spindle of machine :

Accepted Answer

The table swiveled in a clockwise direction and spindle must be revolved in opposite direction to that of the gear on the lead screw

Answer

The table swiveled in anti-clockwise direction and spindle must be revolved in opposite direction to that of gear on lead screw

Answer

Table must be swiveled in clock wise direction and spindle and lead screw in same direction to that of gear on lead screw

Answer

Table swiveled in anti-clockwise direction and spindle and lead screw in same direction to that of gear on lead screw

Question 8

Ohm"s law states that :

Accepted Answer

I ∝ V / R

Answer

V ∝ I / R

Answer

V ∝ R/ I

Answer

I ∝ R/V

Question 9

Grade of grinding wheel of Hard bond refers range from :

Accepted Answer

Q to Z

Answer

A to H

Answer

I to P

Answer

H to Q

Question 10

Hydrostatic guideways in CNC means :

Accepted Answer

Both (A) and (B)

Answer

Oil lubricated slide way

Answer

Air bearing slide way

Answer

Neither (A) nor (B)

Question 11

Templates are used for :

Accepted Answer

Checking and marking profiles

Answer

Checking only

Answer

Measuring and checking

Answer

Measuring only

Question 12

In surface grinding machine, the crossfeed movement is obtained by moving of :

Accepted Answer

Crosswise movement of saddle

Answer

Crosswise movement of spindle head

Answer

Crosswise movement of wheel head

Answer

Longitudinal movement of table or wheel head

Question 13

For cutting involute rack teeth the cutter number used for required module is :

Accepted Answer

Cutter No: 1

Answer

Cutter No: 8

Answer

Cutter No: 5

Answer

Cutter No: 2

Question 14

Screw thread micrometer is used to measure :

Accepted Answer

Effective Diameter

Answer

Major or Outside Diameter

Answer

Minor Diameter

Answer

Core Diameter

Question 15

In which type of slotting machine is provided horizontal movement in addition to vertical movement :

Accepted Answer

Travelling head type

Answer

Precision tool slotter

Answer

Die slotting machine

Answer

Locomotive frame slotter

Challenge Yourself

Practice Mode

Mock Test

009/2022 - Operator - Kerala Agro Machinery Corporation Ltd.