base circle
pitch circle
prime circle
pitch curve
✅ The correct answer is option A.
Mechanical Engineering MCQs
Two concentric helical springs used to provide greater spring force are wound is opposite direction.
TRUE
FALSE
✅ The correct answer is option A.
In a shaper, the length of stroke is increased by
increasing the centre distance of bull gear and crank pin
decreasing the centre distance of bull gear and crank pin
increasing the length of the arm
decreasing the length
✅ The correct answer is option A.
In perpetual inventory control, the material is checked as it reaches its
maximum value
minimum value
average value
any one of these
✅ The correct answer is option D.
The centre of gravity of an is osceles triangle with base (p) and sides (q) from its base is
✅ The correct answer is option A.
Actual performance of a task is called
an event
an activity
a duration
none of these
✅ The correct answer is option B.
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be __________ the bearing modulus.
5 times
10 times
15 times
20 times
✅ The correct answer is option C.
The plasticity is the property of a material which enables it to
regain its original shape after deformation when the external forces are removed
draw into wires by the application of a tensile force
resist fracture due to high impact loads
retain deformation pro
✅ The correct answer is option D.
The velocity of air entering in a rocket is __________ as compared to an aircraft.
zero
less
more
same
✅ The correct answer is option A.
Crushing resistance required to crush the rivet per pitch length is
p.d.σc
p.t.σc
n.d.t.σc
(p – d)t.σc
✅ The correct answer is option C.