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111.

In which of the following cases it is possible for flow to occur from low pressure to high pressure?

A.	Flow through a converging section	B.	Adiabatic flow in a horizontal pipe
C.	Flow of liquid in a vertical pipe	D.	Flow of air downward in a pipe
E.	None of the above

112.

At point A in a pipe line carrying water the diameter is 1 m, the pressure 98 kPa and the velocity 1 m/s. At point B, 2 m higher than A, the diameter is 0.5 m and the pressure 20 kPa. The direction of flow would be

A.	A to B	B.	B to A
C.	Cannot be ascertained from data

113.

Identify the correct statement

A.	Frictional resistance in a pipe decreases with density of the fluid	B.	Frictional resistance in a pipe is dependent on the fluid pressure
C.	Frictional resistance in a pipe is independent on surface roughness	D.	Frictional resistance in a pipe depends on the square of area of the wetted surface
E.	Frictional resistance in a pipe increases with the square of velocity

114.

Pressure co-efficient is a ratio of pressure forces to

A.	Viscous forces	B.	Intertial forces
C.	Gravity forces	D.	Surface tension forces
E.	Elastic energy forces

115.

Eulers dimensionless number relates

A.	Pressure force and inertia force	B.	Inertia force and gravity force
C.	Buoyant force and inertia force	D.	Buoyant force and viscous force
E.	Viscous force and inertia force

116.

The velocity distribution for flow between two fixed parallel plates

A.	Is constant over the cross-section	B.	Varies parabolically across the section
C.	Is zero at the plates and linearly increases towards the plates	D.	Is zero in the middle and increases linearly towards the plates
E.	None of the above

117.

Bernoulli's theorem deals with the principle of conservation of

A.	Energy	B.	Momentum
C.	Mass	D.	Force
E.	Hydraulic pressure

118.

The friction factor in turbulent flow in smooth pipes depends upon the following:

A.	V, D, ?, L,	B.	L,
C.	(L, D, ?, ?,	D.	V, D,
E.	L, D, Q, V.

119.

The head loss in turbulent flow in a pipe

A.	Varies inversely with diameter	B.	Varies conversely with diameter
C.	Varies conversely as square of velocity	D.	Varies directly as velocity
E.	Varies approximately as square of velocity

120.

Falling drops of water become spherical due to

A.	Adhesion	B.	Cohesion
C.	Dynamic viscosity	D.	Kinematic viscosity
E.	Surface tension