Top 150+ Solved Hydraulics MCQ Questions Answer
Q. The Bernoulli’s equation is
a. P1 = P2 = P3
b. V1 A1 = V2 + A2
c. E = Z + (V2/ 2g)+ (p /w)
d. Z1 + P1/w + V12/2g = Z2 + P2/w + V22 /2g
Q. Application of Bernoulli’s Equation is
a. Orifice meter
b. Prandtl tube
c. Venturi flume
d. All of the above
Q. In converging cone area gradually __________ and hence velocity _____________.
a. increase, increase
b. increase, decrease
c. decrease, increase
d. decrease, decrease
Q. In diverging cone area gradually __________ and hence velocity _____________.
a. increase, increase
b. increase, decrease
c. decrease, increase
d. decrease, decrease
Q. A differential manometer is fitted between two ends of
a. converging cone
b. diverging cone
c. throat
d. none
Q. ________________ is an Instrument to determine the velocity of flow at the required point in a pipe or a stream.
a. Venturi meter
b. orifice meter
c. Pitot tube
d. Venturiflume
Q. A 30 cm x 20 cm horizontal venturimeter is placed to measure the flow rate of water. The pressure difference between the inlet and the throat is 2.52 m (of water). Find the flow rate of the venturimeter with a constant of 0.98.
a. 0.241 m3/sec
b. 2.41 m3/sec
c. 0.241 lit/sec
d. 2.41 lit/sec
Q. An opening in a tank or vessel through which the liquid flows out is known as
a. circle
b. orifice
c. notch
d. weir
Q. if H > 5 D, type of orifice is
a. large orifice
b. small orifice
c. fully submerged orifice
d. partially submerged orifice