steady uniform flow
steady non-uniform flow
unsteady uniform flow
unsteady non-uniform f
✅ The correct answer is option B.
Mechanical Engineering MCQs
In acidic bessemer process, the furnace is lined with
silica bricks
a mixture of tar and burnt dolomite bricks
either (a) or (b)
none of these
✅ The correct answer is option A.
The service brakes employed in cars are generally operated
mechanically
hydraulically
pneumatically
none of these
✅ The correct answer is option B.
Which of the following refrigerant is highly toxic and flammable?
Ammonia
Carbon dioxide
Sulphur dioxide
R-12
✅ The correct answer is option A.
The timing belt is attached to the camshaft pulley and
timing belt drive pulley
distributor
radiator fan pulley
alternator pulley
✅ The correct answer is option A.
The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical)
sin α =
cos α =
tan α =
cot α =
✅ The correct answer is option C.
The law of the machine is(where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)
P = mW – C
P = m/W + C
P = mW + C
P = C – mW
✅ The correct answer is option C.
P.M.T.S. (Predetermined Motion Time Systems) include
M.T.M. (Method Time Measurement)
W.F.S. (Work Factor Systems)
B.M.T.S. (Basic Motion Time Study)
all of these
✅ The correct answer is option D.
In the below figure, Hook’s law holds good, for the portion from O to A.
Agree
Disagree
✅ The correct answer is option A.
A maintenance free battery
has lead-antimony plate grid
has lead-calcium plate grid
does not contain acid
does not contain water
✅ The correct answer is option B.