✅ The correct answer is option D.
Engineering MCQs
The periodic time of a particle with simple harmonic motion is __________ proportional to the angular velocity.
directly
inversely
✅ The correct answer is option B.
In an ideal gas turbine plant, it is assumed that the compression and expansion processes are
isothermal
isentropic
polytropic
none of these
✅ The correct answer is option B.
The ratio of the volume at cut-off to the swept volume is called
cut-off ratio
expansion ratio
clearance ratio
none of these
✅ The correct answer is option A.
The heat transfer from coolant to air in the radiator of an automobile engine takes place by
radiation only
convention only
convection and radiation
conduction, convection
✅ The correct answer is option C.
When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is
0.2
0.35
0.5
0.65
✅ The correct answer is option C.
A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act
towards the wall at its upper and
away from the wall at its upper end
downward at its upper end
upward at its upper en
✅ The correct answer is option D.
A jet engine has
no propeller
propeller in front
propeller at back
propeller on the top
✅ The correct answer is option A.
Standard air is the air at __________ and relative humidity of 36 percent.
0.1 bar and 20° C
1 bar and 20° C
0.1 bar and 40° C
1 bar and 40° C
✅ The correct answer is option B.
A reinforced cement concrete beam is considered to be made of
homogeneous material
hetrogeneous material
composite material
isotropic material
✅ The correct answer is option B.