500 Best Hydraulics MCQ
Q105). Power transmitted through a pipe is maximum when friction head loss, is
a).one-half of the total head supplied
b).one-third of the total head supplied
c).one-fouth of the total head supplied
d).equal to the total head supplied.
Correct Answer:
one-third of the total head supplied
Explanation:
Q106). The specific weight of water is 1000 kg/m3
a).at normal pressure of 760 mm
b).at 4°C temperature
c).at mean sea level
d).all of the above
Correct Answer:
all of the above
Explanation:
Q107). Specific weight of liquid
a).remains constant at every place
b).does not remain constant at every place
c).varies from place to place on the earth
d).does not vary on any other planet.
Correct Answer:
does not vary on any other planet.
Explanation:
Q108). Manning’s formula is used for
a).flow in open channels
b).head loss due to friction in open channels
c).head loss due to friction in pipes flowing full
d).flow in pipes.
Correct Answer:
head loss due to friction in open channels
Explanation:
Q109). A non-uniform steady flow is through
a).a long tube at a decreasing rate
b).an expanding tube at constant rate
c).an expanding tube at increasing rate
d).a long pipe at increasing rate.
Correct Answer:
an expanding tube at constant rate
Explanation:
Q110). An ideal fluid is
a).incompressible
b).compressible
c).compressible and non-viscous
d).slightly affected by surface torque.
Correct Answer:
compressible and non-viscous
Explanation:
Q111). Equation of continuity of flow is based on the principle of conservation of
a).mass
b).momentum
c).force
d).none of these.
Correct Answer:
mass
Explanation:
Q112). The flow in open channel is said to be subcritical if the Froude number is
a).less than 1.0
b).equal to 1.0
c).greater than 1.0
d).none.
Correct Answer:
less than 1.0
Explanation: