both ends hinged
both ends fixed
one end fixed and the other end hinged
one end fixed and the
✅ The correct answer is option D.
Mechanical Engineering MCQs
The speed ratio in case of Francis turbine varies from
0.15 to 0.3
0.4 to 0.5
0.6 to 0.9
1 to 1.5
✅ The correct answer is option C.
In Mohr’s circle, the centre of circle from Y-axis is taken as
✅ The correct answer is option B.
Manganese is added in low carbon steel to
make the steel tougher and harder
raise the yield point
make the steel ductile and of good bending qualities
all of the above
✅ The correct answer is option C.
The welding set up is said to have straight polarity, when
work is connected to the positive terminal and the electrode holder to the negative terminal
work is connected to the negative terminal and the electrode holder to the positive terminal
work is connected to the positive terminal and the electrode holder is earthed
work is connected to t
✅ The correct answer is option A.
For high speed engines, the cam follower should move with
uniform velocity
simple harmonic motion
uniform accleration and retardation
cycloidal motion
✅ The correct answer is option D.
The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.
less than
more than
✅ The correct answer is option B.
In a coil ignition system of petrol engines, a condenser is connected across the contact-breaker in order to
prevent sparking across the gap between the points
cause more rapid break of the primary current, giving a higher voltage in the secondary circuit
both (a) and (b)
none of the above
✅ The correct answer is option C.
Falling drops of water become spheres due to the property of
surface tension of water
compressibility of water
capillarity of water
viscosity of water
✅ The correct answer is option A.
The absolute pressure is equal to
gauge pressure + atmospheric pressure
gauge pressure – atmospheric pressure
atmospheric pressure – gauge pressure
gauge pressure – vacuu
✅ The correct answer is option A.