Agree
Disagree
✅ The correct answer is option A.
Mechanical Engineering MCQs
The type of tool used on milling machine and broaching machine is
single point cutting tool
two point cutting tool
three point cutting tool
multi-point cutting to
✅ The correct answer is option D.
The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.
Agree
Disagree
✅ The correct answer is option A.
If the condenser temperature is kept constant, the coefficient of performance of a refrigeration cycle increases with the increase in evaporator temperature.
Yes
No
✅ The correct answer is option A.
The evaporator changes the low pressure liquid refrigerant from the expansion valve into
high pressure liquid refrigerant
low pressure liquid and vapour refrigerant
low pressure vapour refrigerant
none of these
✅ The correct answer is option C.
A supercharged engine as compared to an ordinary engine
requires smaller foundation
is lighter
consumes less lubricating oil
all of these
✅ The correct answer is option D.
The assumption made in the theory of the reinforced cement concrete beam is that
all the tensile stresses are taken up by the steel reinforcement only
there is a sufficient bond between steel and concrete
the steel and concrete are stressed within its elastic limit
all of the above
✅ The correct answer is option D.
The combustion in compression ignition engines is
homogeneous
hetrogeneous
both (a) and (b)
none of these
✅ The correct answer is option B.
A device used to heat feed water by utilising the heat in me exhaust flue gases before leaving through the chimny, is known as
economiser
fusible plug
superheater
stop valve
✅ The correct answer is option A.