linear strain
lateral strain
volumetric strain
shear strain
✅ The correct answer is option B.
Mechanical Engineering MCQs
When a bar of length l, width b and thickness t is subjected to a push of P, its
length, width and thickness increases
length, width and thickness decreases
length increases, width and thickness decreases
length decreases, widt
✅ The correct answer is option D.
In a __________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
simple die
progressive die
combination die
compound die
✅ The correct answer is option C.
The behaviour of super-heated vapour is similar to that of
perfect gas
air
steam
ordinary gas
✅ The correct answer is option A.
The shrinkage allowance for cast iron pattern is
10 mm/m
16 mm/m
20 mm/m
26 mm/m
✅ The correct answer is option A.
In a simple train of wheels, the velocity ratio __________ the intermediate wheels.
depends upon
is independent of
✅ The correct answer is option B.
The crescent-shaped cavity on the piston head top surface is called as
piston oil hole
snap ring
valve recess
valve clearance
✅ The correct answer is option C.
When the nature of contact between the elements of a pair is such that it can turn or revolve about a fixed axis, the pair is known as a rolling pair.
Correct
Incorrect
✅ The correct answer is option B.
In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a
fuel pump
fuel injector
spark plug
none of these
✅ The correct answer is option C.
A shaft carrying two rotors at its ends will have
no node
one node
two nodes
three nodes
✅ The correct answer is option B.