✅ The correct answer is option A.
Mechanical Engineering MCQs
In a Francis turbine, the pressure at inlet is __________ that at outlet.
less than
more than
✅ The correct answer is option B.
The hyperbolic pocess is governed by
Boyle’s law
Charles’ law
Gay-Lussac law
Avogadro’s law
✅ The correct answer is option A.
The soft grade grinding wheels are denoted by the letters
A to H
I to P
Q to Z
A to P
✅ The correct answer is option A.
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.
greater than
less than
✅ The correct answer is option A.
In transverse grinding
the work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
the work rotates in a fixed position as the wheel feeds to produce cylinders equal to or shorter than the width of wheel face
the work is reciprocated as the wheel feeds to produce cylinders shorter than the width of wheel face
the work rotates in a
✅ The correct answer is option A.
Acceptance sampling is used in
job production
batch production
mass production
all of these
✅ The correct answer is option C.
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is
wA
wx
wAx
wAx/sin θ
✅ The correct answer is option C.
In case of thick cylinders, the tangential stress across the thickness of 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 inner surface and zero at the outer surface
maximum at the outer s
✅ The correct answer is option B.
The function of an oil control orifice is that it
returns cylinder head lubricating oil to the oil pan at high speed
turns oil into fine mist for spray lubrication
regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
removes impurities fro
✅ The correct answer is option C.