7.

10.

11.

12.

13.

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

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

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

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

(D) Table swiveled in anti-clockwise direction and spindle and lead screw in same

irection to that of gear on lead screw

Ohm’s law states that :
(A) 101/10 ൯൫) ८८ 7
(0 1048/17 0) 787/2

Grade of grinding wheel of Hard bond refers range from :
(A) AtoH (B) ItoP
(C) QtoZ (D) HtoQ

Hydrostatic guideways in CNC means:
(^) Oil lubricated slide way (B) Air bearing slide way
(C) Both (A) and (B) ൯൩) Neither (A) nor (B)

Templates are used for :

(A) Checking and marking profiles (B) Checking only
(C) Measuring and checking (D) Measuring only

In surface grinding machine, the crossfeed movement is obtained by moving of :
(A) Crosswise movement of spindle head
(2) Crosswise movement of saddle
(C) Crosswise movement of wheel head

(D) Longitudinal movement of table or wheel head

For cutting involute rack teeth the cutter number used for required module is :
(A) Cutter No: 8 (B) Cutter No: 5
(C) Cutter No: 2 () Cutter No: 1

009/2022 4 A