Vapour compression cycle
Vapour absorption cycle
Air refrigeration cycle
none of these
✅ The correct answer is option B.
Mechanical Engineering MCQs
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as
b/L
b/2 L
1 – 2 b.L
1 – b/L
✅ The correct answer is option D.
When spring index increases, the value of Wahl’s stress factor
increases linearly
decreases linearly
remains same
increases exponentiall
✅ The correct answer is option D.
The formula for Iso-octane is
C8H18
C7H17
C6H18
C7H18
✅ The correct answer is option A.
The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by
✅ The correct answer is option A.
The sulphur sticks, in case of leakage of ammonia refrigerant, gives white smoke.
TRUE
FALSE
✅ The correct answer is option A.
In a beam subjected to pure bending, the intensity of stress in any fibre is __________ the distance of the fibre from the neutral axis.
equal to
less than
more than
directly proportional
✅ The correct answer is option D.
A grinding wheel is said to be of __________ if it holds the abrasive grains more securely.
soft grade
medium grade
hard grade
✅ The correct answer is option C.
The essential condition for the decompression of an activity is that
the project time should change due to decompression
after decompression the time of an activity invariably exceeds its normal time
an activity could be decompressed to the maximum extent of its normal time
none of the above
✅ The correct answer is option C.