each of the four pairs is a turning pair
one is a turning pair and three are sliding pairs
two are turning pairs and two are sliding pairs
three are turning pair
✅ The correct answer is option A.
Mechanical Engineering MCQs
A differential manometer is used to measure
atmospheric pressure
pressure in pipes and channels
pressure in venturimeter
difference of pressure
✅ The correct answer is option D.
The control rods in the control system of nuclear reactors are used to
absorb excess neutrons
control fuel consumption
control temperature
all of these
✅ The correct answer is option A.
The power developed by a turbine is (where H = Head of water under which the turbine is working)
directly proportional to H1/2
inversely proportional to H1/2
directly proportional to H3/2
inversely proportional
✅ The correct answer is option C.
The shear modulus of resilience is proportional to
shear stress
(shear stress)2
(shear stress)3
(shear stress)4
✅ The correct answer is option B.
The longitudinal stress is __________ of the circumferential stress.
one-half
two-third
three-fourth
double
✅ The correct answer is option A.
The minimum periodic time of a compound pendulum is
✅ The correct answer is option D.
The turbine of the turbo-prop engine is __________ that of the turbo-jet engine.
same as
smaller than
bigger than
✅ The correct answer is option C.
The stretching in a belt can be controlled by __________ the stress in the belt.
reducing
increasing
✅ The correct answer is option A.