equal to
less than
greater than
✅ The correct answer is option C.
Mechanical Engineering MCQs
The blast furnace gas is a by-product in the production of pig iron in the blast furnace.
Yes
No
✅ The correct answer is option A.
When a hole of diameter ‘d’ is punched in a metal of thickness ‘t’, then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate)
d.t.τu
πd.t.τu
x d2τu
x d2 x tτu
✅ The correct answer is option B.
The ratio of the indicated thermal efficiency to the air standard efficiency is known as
mechanical efficiency
overall efficiency
volumetric efficiency
relative efficiency
✅ The correct answer is option D.
Slack may be positive, zero or negative.
Agree
Disagree
✅ The correct answer is option A.
According to Bazin’s formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to
✅ The correct answer is option A.
The brass and bronze are welded by __________ flame.
neutral
oxidising
carburising
all of these
✅ The correct answer is option B.
The centrifugal tension on the belt has no effect on the power transmitted.
Correct
Incorrect
✅ The correct answer is option A.
When a body is subjected to two equal and opposite forces, acting tangentially across the resisting section, as a result of which the body tends to shear off across the section, the stress and strain induced is
tensile stress, tensile strain
compressive stress, compressive strain
shear stress, tensile strain
shear stress, shear st
✅ The correct answer is option D.