triangular
rectangular
square
trapezoidal
✅ The correct answer is option D.
Engineering MCQs
In electric resistance welding, pressure is applied just after the completion of current.
TRUE
FALSE
✅ The correct answer is option A.
The main purpose of a boring operation, as compared to drilling, is to
drill a hole
finish the drilled hole
correct the hole
enlarge the existing h
✅ The correct answer is option D.
Cold working requires much higher pressure that hot working.
Correct
Incorrect
✅ The correct answer is option A.
In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the trans-missibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system)
less than unity
equal to unity
greater than unity
zero
✅ The correct answer is option C.
Due to slip of belt, the velocity ratio of the belt drive increases.
Yes
No
✅ The correct answer is option B.
When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.
concave
convex
✅ The correct answer is option A.
An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as
counter-boring
grooving
knurling
facing
✅ The correct answer is option C.
According to First law of thermodynamics,
total internal energy of a system during a process remains constant
total energy of a system remains constant
workdone by a system is equal to the heat transferred by the system
internal energy, entha
✅ The correct answer is option B.