The resultant hydrostatic force acts through a point known as
A.Centre of gravity
B.Centre of buoyancy
C.Centre of Pressure
D.None of the above
Category: Fluid Mechanics and Hydraulic Machines Mcqs
Chemically inact relatively unstable blocks, large or small with three or more sets of joints and seams are known as
A.Schistos rocks
B.Crushed rocks
C.Chemical rocks
D.Moderately jointed rocks
E.Block or seamy rocks
1 mm Hg pressure is equivalent to
A.1.333 x 102 N/m2
B.1.333 x 10-3 bar
C.1.3158 x 10-3 atm
D.1.332 x 102 kg/m-sec2
E.Any of the above
The equation of continuity of flow is based on the principle of conservation of
A.Momentum
B.Mass
C.Energy
D.All above
E.None of the above
Identify the statement which is not one of the assumptions made for the derivation of Bernoulli’s theorem
A.The flow is steady and continuous
B.The flow is two dimensional
C.Fluid is ideal
D.Fluid is incompressible
E.All the above
A small-size nozzle is built into a Pelton turbine for directing its water jet towards the back of the bucket, so that machine can be stopped quickly, is known as
A.Reverse nozzle
B.Compensating nozzle
C.Brake nozzle
D.Any of the above
E.None of the above
The angle of taper on a draft tube is
A.Less than 7
B.Around 10?
C.Around 15?
D.More than 15?
E.More than 20?
If the specific speed of a turbine is 800 the turbine should be
A.Francis
B.Kaplan
C.Girard
D.Pelton wheel
E.Fourneyron
Abnormal load on a earth dam is
A.Water pressure corresponding to full reservoir level
B.Weight of dam and structure above it
C.Uplift
D.Wave pressure
Which of the following component of a reciprocating pump is not made of cast iron?
A.Cylinder
B.Air vessel
C.Foot valve
D.Shaft
E.All of the above
