more than
less than
same as
✅ The correct answer is option B.
Mechanical Engineering MCQs
The battery is an electrochemical device, which means battery
makes chemicals by mechanical means
uses chemical action to provide electricity
has curved plates instead of flat plates
does not use an electrolyte
✅ The correct answer is option B.
In order to give the primary balance of the reciprocating parts of a multi-cylinder in-line engines,
the algebraic sum of the primary forces must be equal to zero
the algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero
both (a) and (b)
none of these
✅ The correct answer is option C.
When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
top layer
bottom layer
neutral axis
every cross-section
✅ The correct answer is option B.
If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to (where M = Bending moment)
M
M
M2
M3
✅ The correct answer is option A.
Positive camber is used to compensate for wheels tilting inward due to the weight of the vehicle.
Yes
No
✅ The correct answer is option A.
The turbine blades do not change the direction of steam issuing from the nozzle.
TRUE
FALSE
✅ The correct answer is option B.
Defrosting of a refrigerator may be done by stopping the compressor for a short period.
Correct
Incorrect
✅ The correct answer is option A.
If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is
0.2
0.3
0.5
0.6
✅ The correct answer is option C.
The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as
indicator diagram
axial force diagram
valve timing diagram
none of these
✅ The correct answer is option C.