In Marking of grinding wheels,....................compulsory symbols are used?
a)8
b)5
c)7
d)6
While over tighten the bench vice which part will get damage?
a) Spindle
b) Fixed Jaw
b) Fixed Jaw
c) Handle
d) Square nut
d) Square nut
Zero line represents
a) Lower deviations
b) None of the above
b) None of the above
c) Upper deviation
d) Zero deviations
d) Zero deviations
Twist drill are made of
a) Low carbon steel
b) Wood
b) Wood
c) High speed steel
d) Stainless steel
d) Stainless steel
Which type of apron is used while during welding
a) Plastic
b) Leather and worn
c) Cotton
d) Silk
d) Silk
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