potential energy only
kinetic energy of translation only
kinetic energy of rotation only
kinetic energy of tran
✅ The correct answer is option D.
Mechanical Engineering MCQs
When the shear angle is large
path of shear is short and chip is thin
path of shear is large and chip is thick
path of shear is short and chip is thick
path of shear is large
✅ The correct answer is option A.
The polar modulus for a solid shaft of diameter (D) is
✅ The correct answer is option B.
A closed cycle gas turbine works on
Carnot cycle
Rankine cycle
Ericsson cycle
Joule cycle
✅ The correct answer is option D.
Valve overlap is the number of degrees of camshaft rotation during which
both valves are closed
both valves are open
both ‘a’ and ‘b’
none of these
✅ The correct answer is option B.
The diagram factor is the ratio of the
area of the actual indicator diagram to the area of theoretical indicator diagram
actual workdone per stroke to the theoretical workdone per stroke
actual mean effective pressure to the theoretical mean effective pressure
any one of the above
✅ The correct answer is option D.
The maximum shear stress developed in a beam of circular section is __________ the average shear stress.
equal to
4/3 times
1.5 times
twice
✅ The correct answer is option B.
The two elements of a pair are said to form a higher pair, when they
have a surface contact when in motion
have a line or point contact when in motion
are kept in contact by the action of external forces, when in motion
permit relative motion
✅ The correct answer is option B.