higher heating value
higher flash point
lower volatility
longer ignition delay
✅ The correct answer is option D.
Mechanical Engineering MCQs
In a framed structure, as shown in the below figure, the force in the member AC is numerically equal to the force in member BC.
Correct
Incorrect
✅ The correct answer is option A.
The maximum bending moment for the beam shown in the below figure, is
✅ The correct answer is option C.
The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)
VnT = C
VTn = C
Vn/T = C
V/Tn = C
✅ The correct answer is option B.
The caster is called positive when the top of the king pin is inclined to the
rear of the vehicle
front of the vehicle
left of the vehicle
right of the vehicle
✅ The correct answer is option A.
If the evaporator temperature is kept constant, the coefficient of performance of a refrigeration cycle __________ with the increase in condenser temperature.
increases
decreases
✅ The correct answer is option B.
The ratio of velocity of fluid in an undisturbed stream to the velocity of sound wave is known as Mach number.
Yes
No
✅ The correct answer is option A.
Anti-knock for compression ignition engines is
napthene
tetra ethyl lead
amyl nitrate
hexadecane
✅ The correct answer is option C.
The efficiency of a reaction turbine for a given head __________ with the increase in speed.
decreases
increases
✅ The correct answer is option A.
The hydraulic mean depth for a circular pipe of diameter (d) is
d/6
d/4
d/2
d
✅ The correct answer is option B.