500 Best Hydraulics MCQ
Q201). For solving network problems of pipes, necessary condition is
a).continuity equation
b).energy equation
c).Darcy-Weisbach equation
d).all the above.
Correct Answer:
all the above.
Explanation:
Q202). In a fluid flow a particle may posses
a).elevation energy
b).kinetic energy
c).pressure energy
d).initial energy
Correct Answer:
0
Explanation:
Q203). In two dimensional flow the components of velocity are given by u=ax ; b=vy . The stream lines will be
a).circular
b).parabolic
c).hyperbolic
d).elliptical.
Correct Answer:
hyperbolic
Explanation:
Q204). For a most economical rectangular channel, the hydraulic mean depth, is equal to
a).the depth of flow
b).half the depth of flow
c).one-third depth of flow
d).None of these.
Correct Answer:
half the depth of flow
Explanation:
Q205). The instrument used for measuring the velocity of flow, is known as
a).venturimeter
b).orifice meter
c).pitot tube
d).none of these.
Correct Answer:
pitot tube
Explanation:
Q206). For a long pipe, the head loss
a).at the entrance is ignored
b).at the outlet is ignored
c).at the entrance and outlet both are ignored
d).due to friction is ignored.
Correct Answer:
at the entrance and outlet both are ignored
Explanation:
Q207). On a flow net diagram, the distance between two consecutive steam lines at two successive sections are 1 cm and 0.5 cm respectively. If the velocity at the first section is 1 m/sec, the velocity at the second is
a).1.0 m/sec
b).0.5 m/sec
c).2.0 m/sec
d).2.5 m/sec
Correct Answer:
2.0 m/sec
Explanation:
Q208). The flow is called rotational if its velocity normal to the plane of area is equal to
a).angular velocity vector
b).twice the angular velocity vector
c).thrice the angular velocity vector
d).none of these.
Correct Answer:
twice the angular velocity vector
Explanation: