normalising
full annealing
process annealing
spheroidising
✅ The correct answer is option D.
Engineering MCQs
The cooling of air, without any change in its specific humidity, is known as sensible cooling.
Correct
Incorrect
✅ The correct answer is option A.
When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to
✅ The correct answer is option B.
Antifriction bearings are
thick lubricated bearings
plastic bearings
thin lubricated bearings
ball and roller bearin
✅ The correct answer is option D.
The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called
condenser efficiency
vacuum efficiency
nozzle efficiency
boiler efficiency
✅ The correct answer is option A.
In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction)
P = W tan(α – φ)
P = W tan(α + φ)
P = W tan(φ – α)
P = W cos(α + φ)
✅ The correct answer is option B.
The tool life in case of a grinding wheel is the time
between two successive regrinds of the wheel
taken for the wheel to be balanced
taken between two successive wheel dressings
taken for a wear of 1
✅ The correct answer is option C.
In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft)
d + 17 mm
2 d + 13 mm
2 d + 20 mm
3.5 d
✅ The correct answer is option B.