2000 to 4000 volts
4000 to 6000 volts
6000 to 10 000 volts
10 000 to 12 000 volts
✅ The correct answer is option C.
Mechanical Engineering MCQs
Chip breakers are used to
increase tool life
remove chips from bed
break the chips into short segments
to minimise heat gener
✅ The correct answer is option C.
Time study is carried out to determine the time required to complete job by
a slow worker
a fast worker
an average worker
an apprentice
✅ The correct answer is option C.
The ratio of endurance limit in shear to the endurance limit in flexure is
0.25
0.4
0.55
0.7
✅ The correct answer is option C.
The two parallel and coplaner shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as
spur gearing
helical gearing
bevel gearing
spiral gearing
✅ The correct answer is option A.
A watt’s governor can work satisfactorily at speeds from
60 to 80 r.p.m.
80 to 100 r.p.m.
100 to 200 r.p.m.
200 to 300 r.p.m.
✅ The correct answer is option A.
In machining metals, surface roughness is due to
feed marks or ridges left by the cutting tool
fragment of built-up edge on the machined surface
cutting tool vibrations
all of these
✅ The correct answer is option D.
The yield point in static loading is __________ as compared to fatigue loading.
higher
lower
same
✅ The correct answer is option A.
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.
less than
greater than
✅ The correct answer is option B.