Soldering iron are made of copper because..................
a) It is a bad conductor of heat
b) It is good conductor of heat
c) It is heavy
d) It is thermal expansion is more
Name the type of jig in which a base plate is not available,
a) Trunnion jig
b) Latch jig
c) Plate jig
d) Box jig
In case of electric fire, which one of the following should not use............
a) Use C.T.C. extinguisher
b) Use dry chemical powder
c) Put water on it
d) Use sand or clay
The best way of avoiding accident is by.............
a) Observing safety rules related to job, machine and workplace
b) Using safety equipment
c) Doing work in ancient way
d) Doing work in one's own way
Oil fire extinguished by..............
a) Soda acid extinguisher
b) None of these
c) Putting water on it
d) Foam extinguisher
a) It is a bad conductor of heat
b) It is good conductor of heat
c) It is heavy
d) It is thermal expansion is more
Name the type of jig in which a base plate is not available,
a) Trunnion jig
b) Latch jig
c) Plate jig
d) Box jig
In case of electric fire, which one of the following should not use............
a) Use C.T.C. extinguisher
b) Use dry chemical powder
c) Put water on it
d) Use sand or clay
The best way of avoiding accident is by.............
a) Observing safety rules related to job, machine and workplace
b) Using safety equipment
c) Doing work in ancient way
d) Doing work in one's own way
Oil fire extinguished by..............
a) Soda acid extinguisher
b) None of these
c) Putting water on it
d) Foam extinguisher
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