equal to
directly proportional to
inversely proportional to
independent of
✅ The correct answer is option B.
Mechanical Engineering MCQs
In a thin cylindrical shell subjected to an internal pressure p, the ratio of longitudinal stress to the hoop stress is
1-Feb
3-Apr
1
1.5
✅ The correct answer is option A.
One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to
800K
1000K
1200K
1400K
✅ The correct answer is option A.
The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar)
✅ The correct answer is option D.
A nozzle is generally made of
cylindrical shape
convergent shape
divergent shape
convergent-divergent s
✅ The correct answer is option B.
The function of a distributor in a coil ignition system of I.C. engines is
to distribute spark
to distribute power
to distribute current
to time the spark
✅ The correct answer is option D.
In a steam engine, the piston rod is usually connected to the crosshead by means of a
knuckle joint
cotter joint
oldham coupling
universal joint
✅ The correct answer is option B.
A one tonne refrigerating machine means that
one tonne is the total mass of machine
one tonne refrigerant is used
one tonne of water can be converted into ice
one tonne of ice when
✅ The correct answer is option D.
In a single dry plate clutch, torsional vibrations are absorbed by
coil springs known as torsional springs
cushion springs
central hub
clutch pedal
✅ The correct answer is option A.