Correct
Incorrect
✅ The correct answer is option A.
Mechanical Engineering MCQs
In designing thick cylinders, the equation used is
Lame’s equation
Birnie’s equation
Clavarinos’ equation
all of these
✅ The correct answer is option D.
The sequence order of events in a four-stroke engine is
suction – exhaust – power – compression
suction – power – compression – exhaust
suction – compression – power – exhaust
exhaust – compression
✅ The correct answer is option C.
A spring of stiffness 1000 N/m is streteched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is
5 N-m
7 N-m
10 N-m
15 N-m
✅ The correct answer is option D.
The work ratio of simple gas turbine cycle depends upon
maximum cycle temperature
minimum cycle temperature
pressure ratio
all of these
✅ The correct answer is option D.
In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of the cylinder is
maximum at the outer surface and minimum at the inner surface
maximum at the inner surface and minimum at the outer surface
maximum at the outer surface and zero at the inner surface
maximum at the inner s
✅ The correct answer is option D.
In twist fluted drills, chips do not move out automatically.
Correct
Incorrect
✅ The correct answer is option B.
The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is
10 MPa
30 MPa
50 MPa
100 MPa
✅ The correct answer is option C.
A key way lowers
the strength of the shaft
the rigidity of the shaft
both the strength and rigidity of the shaft
the ductility of the s
✅ The correct answer is option C.
Abbreviated work factor data is applied for
material handling operation
maintenance operation
packing and shipping operation
all of these
✅ The correct answer is option D.