velocity of flow in an open channel
depth of flow in an open channel
hydraulic jump
depth of channel
✅ The correct answer is option C.
Engineering MCQs
The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing)
r sin φ
r cos φ
r tan φ
✅ The correct answer is option A.
The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r1 and r2 = External and internal radii of collar respectively)
μ W (r1 + r2)
μ W (r1 + r2)
✅ The correct answer is option D.
The ratio of Nusselt number and the product of Reynold’s number and Prandtl number is equal to
Stanton number
Biot number
Peclet number
Grashoff number
✅ The correct answer is option A.
The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.
increases
decreases
✅ The correct answer is option A.
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as
narrow-crested weir
broad-crested weir
Ogee weir
submerged weir
✅ The correct answer is option D.
The instrument used to check specific gravity of acid in a battery is
hydrometer
hygrometer
anemometer
multimeter
✅ The correct answer is option A.
A lift moves downwards with an acceleration of 9.8 m/s2. The pressure exerted by a man on the floor of the lift is zero.
TRUE
FALSE
✅ The correct answer is option A.
The ignition in a spark ignition engine takes place when the piston is
exactly at the T.D.C. position on its compression stroke
approaching the T.D.C. position on its compression stroke
leaving the T.D.C. position on its compression stroke
approaching the T.D.C
✅ The correct answer is option B.
The reciprocating refrigerant compressors are very suitable for
small displacements and low condensing pressures
large displacements and high condensing pressures
small displacements and high condensing pressures
large displacements an
✅ The correct answer is option C.