A type of flow in which the fluid particles while moving in the direction of flow rotate about their mass centre, is known as
A.Steady flow
B.Uniform flow
C.Laminar flow
D.Turbulent flow
E.Rotational flow
Category: Fluid Mechanics and Hydraulic Machines Mcqs
A liquid compressed in a cylinder has a volume of 1 litre at 1 MN/m2 and a volume of 995 cu-cm at 2 MN / m2. The bulk modulus of elasticity would be_________________?
A.200 Mpa
B.Mpa
C.5 Mpa
D.10 Mpa
E.20 Mpa
While calculating the specific speed of double suction pump, the discharge to be considered is
A.Double of the actual discharge
B.Square of the actual discharge
C.Actual discharge
D.Half of actual discharge
E.Square root of actual discharge
An imaginary curve drawn through a flowing fluid in such a way that the tangent to it at any point gives the direction of the velocity of flow at that point, is known as
A.Flow-contour
B.Line of flow
C.Flow line
D.Path line
E.Streak line
Which conduit entrance is expected to have least loss coeffieient?
A.Inward projecting entrances
B.Square bell mouth entrances
C.Circular bell mouth entrances
D.Slightly rounded entrance
E.Square cornered entrance
Capillarity is due to
A.Cohesion
B.Adhesion
C.Adhesion and cohesion
D.Molecular structure
E.Gravity
If the Mach number of a flow is 3 the flow is known as
A.Super-supersonic
B.Supersonic
C.Sonic
D.Sub-sonic
E.None of the above
Mercury is suitable for manometers because
A.It has high density
B.It can be easily seen in tube
C.It does not stick to tube walls
D.It moves easily
E.It is generally not used in manometers
If a centrifugal pump is noisy in operation, the cause may be________________?
A.Priming faulty
B.Suction head too high
C.Air in water
D.Discharge head too high
E.Mechanical defect
Continue reading “If a centrifugal pump is noisy in operation, the cause may be________________?”
Two units are homologous when they are geometrically similar and have _______________?
A.Similar stream lines
B.Same Reynolds number
C.Same efficiency
D.Same Froud’s number
E.None of these answers
