FITTER THEORY SEMESTER – 4 2017 JULY MCQ PART-5
The best way of avoiding accident is by ……..
a) Doing work in ancient way
b) Doing work in one's own way
c) Observing safety rules related to job, machine and workplace
d) Using safety equipment
Answer: c) Observing safety rules related to job, machine and workplace
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Oil fire extinguished by …..
a) Putting water on it
b) Foam extinguisher
c) Soda acid extinguisher
d) None of these
Answer: b) Foam extinguisher
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In the process of soldering, you have noticed solder not sticking to sufficiently heated
copper soldering bit when rubbed over solder bar. What step do you take to overcome the
problem?
copper soldering bit when rubbed over solder bar. What step do you take to overcome the
problem?
a) Pre- heat the solder
b) Clean the bit thoroughly
c) Change the soldering bit shape
d) Rub the bit over solder for longer period
Answer: b) Clean the bit thoroughly
Which flux is used for soldering?
a) Zinc chloride
b) Ammonium Chloride
c) Hydro chloric acid
d) All of these
Answer: d) All of these
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In a riveted joint the edges of plates are simply laid over each other and riveted.
This joint is called_.
This joint is called_.
a) Lap joint
b) Butt joint
c) Edge joint
d) Corner joint
Answer: a) Lap joint
In a riveted joint the plates are placed end-to-end and jointed through cover plates. This
joint is called ……
joint is called ……
a) Lap joint
b) Butt joint
c) Edge joint
d) Corner joint
Answer: b) Butt joint
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An accident is_
a) Unplanned event
b) Non-controlled event
c) Undesirable event
b) Non-controlled event
c) Undesirable event
d) All of these
Answer: d) All of these
Case hardening is a method of producing hard skin on the surface of ………
a) High-carbon steel parts
a) High-carbon steel parts
b) Cast iron (heavy parts)
c) Low-carbon steel parts
d) Alloy steel parts
Answer: c) Low-carbon steel parts
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"Cyaniding" and "Nitriding" are two methods of_
a) Hardening
b) Case hardening
c) Tempering
d) Normalising
Answer: b) Case hardening
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Medium solder contains
a) 37% lead and 63% tin
a) 37% lead and 63% tin
b) 50% lead and 50% tin
c) 70% lead and 50% tin
c) 70% lead and 50% tin
d) None of these
Answer: b) 50% lead and 50% tin
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