Correct Answer:- Option-C
Question78:-The purpose of flute given in a twist drill is
A:-Admit coolant
B:-Allow chip to escape
C:-Both A and B
D:-None of above
Correct Answer:- Option-C
Question79:-In lathe turning operation, cutting speed is expressed in
A:-KMPH
B:-Newton metre
C:-RPM
D:-Metres per minute
Correct Answer:- Option-D
Question80:-To make up a long length, several pieces of shafts are joined together with the help of
A:-Coupling
B:-Gear
C:-Pulley
D:-Clutch
Correct Answer:- Option-A
Question81:-Hand taps are usually made as sets of
A:-Two
B:-Three
C:-Four
D:-Ten
Correct Answer:- Option-B
Question82:-The grinding or abrading process mostly for finishing holes by means of bounded abrasive stones, known as
A:-Sawing
B:-Honing
C:-Lapping
D:-Galvanizing
Correct Answer:- Option-B
Question83:-For connecting two shafts of axes of which intersect, the mechanism used is
A:-Spur gear
B:-Helical gear
-belt
D:-Bevel gear
Correct Answer:- Option-D
Question84:-For making purpose, round workpieces are placed on
A:-V-block
B:-Surface plate
:-Angle plate
D:-Straight edge
Correct Answer:- Option-A
Question85:-A combination set has three moving heads
1. Square head
2. Centre head. Name the third one
A:-Beam
B:-Flat head
C:-Divider head
D:-Protractor head
Correct Answer:- Option-D
Question86:-Name the tool used to remove a drill from drilling machine spindle.
A:-Scraper
B:-Drift
C:-Punch
D:-Scraper rod
Correct Answer:- Option-B

Question87:-Name the process, in which simple shaped components can be made very accurately, clean, without waste and
suitable for producing refractory metals and nonferrous metals.

A:-Forging