air only
diesel only
a mixture of diesel and air
✅ The correct answer is option A.
Mechanical Engineering MCQs
While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as
both the ends fixed
both the ends hinged
one end fixed and the other end hinged
one end fixed and the
✅ The correct answer is option D.
The unbalanced force due to revolving masses
varies in magnitude but constant in direction
varies in direction but constant in magnitude
varies in magnitude and direction both
constant in magnitude
✅ The correct answer is option B.
The snag grinding is done
to produce good surface finish and high degree of accuracy
to remove considerable amount of metal without regard to accuracy of the finished surface
to grind exterior cylindrical surfaces
any one of the above
✅ The correct answer is option B.
Bifilar suspension method is used to find the
angular acceleration of the body
moment of inertia of the body
periodic time of the body
frequency of vibration
✅ The correct answer is option B.
The charge of the blast furnace consists of
calcined ore (8 parts ), coke (4 parts) and limestone (1 part)
calcined ore (4 parts), coke (1 part) and limestone (8 parts)
calcined ore (1 part), coke (8 part) and limestone (4 parts)
calcined ore, coke and
✅ The correct answer is option A.
Micro-structure of a material is, generally, examined by
naked eye
optical microscope
X-ray techniques
none of these
✅ The correct answer is option D.
The mass of water vapour present in 1 kg of dry air, is called humidity ratio.
TRUE
FALSE
✅ The correct answer is option A.
When the inlet pressure of steam is equal to the exit pressure, then
there is a pressure drop in the nozzle
fluid flows through the nozzle
pressure drops and fluid flows through the nozzle
there is no pressure d
✅ The correct answer is option D.
In designing a connecting rod, it is considered like __________ for buckling about X-axis.
both ends hinged
both ends fixed
one end fixed and the other end hinged
one end fixed and the
✅ The correct answer is option A.