Agree
Disagree
✅ The correct answer is option A.
Mechanical Engineering MCQs
In a stress-strain diagram for mild steel, as shown in the below figure, the point A represents
elastic limit
upper yield-point
lower yield point
breaking point
✅ The correct answer is option A.
Kerosene is distilled at
65° to 220°C
220° to 345°C
345° to 470°C
470° to 550°C
✅ The correct answer is option B.
The cold working of metals is carried out
at the recrystallisation temperature
below the recrystallisation temperature
above the recrystallisation temperature
at any temperature
✅ The correct answer is option B.
The process, which causes the air to enter the impeller blades of a centrifugal compressor at __________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.
reduced
increased
✅ The correct answer is option A.
Scribing block is used to
hold the round bars during marking
check the trueness of flat surfaces
locate the centres of round bars
check the surface roug
✅ The correct answer is option C.
Non-coplaner concurrent forces are those forces which
meet at one point, but their lines of action do not lie on the same plane
do not meet at one point and their lines of action do not lie on the same plane
meet at one point and their lines of action also lie on the same plane
do not meet at one poi
✅ The correct answer is option A.
The maximum displacement of a body, from its mean position is called amplitude.
Correct
Incorrect
✅ The correct answer is option A.
Modulus of rigidity may be defined as the ratio of
linear stress to lateral strain
lateral strain to linear strain
linear stress to linear strain
shear stress to shear
✅ The correct answer is option D.
Which of the following gives the correct order of increasing hot hardness of cutting tool materials?
Diamond, Carbide, High speed steel
Carbide, Diamond, High speed steel
High speed steel, Carbide, Diamond
High speed steel, Diam
✅ The correct answer is option C.