Rajasthan Technical Education Second Year Paper 2016 – Fluid Engineering
The property of fluid by virtue of which it offers resistance to shear is called
(a) Surface tension
(b) Ahesion
(c) Viscosity
(d) Compressibility
If w is the specific weight of liquid and h is the depth of any point from the surface, then the pressure intensity at that point wil be
(a) h
(b) wh
(c) w/h
(d) h/w
Which of the following is dimensionless ?
(a) Specific gravity
(b) Specific weight
(c) Coefficient of viscosity
(d) Surface tension
The dimension of kinematic visocity is
(a) N-sec/meter sq.
(b) Meter sq./sec
(c) N-meter/sec
(d) dyne-sec/cm sq.
Mercury is used in Manometer for which of the property ?
(a) High surface tension
(b) High density
(c) Low viscosity
(d) Low surface tension
Piezometer is used to measure
(a) Pressure in pipes
(b) Atmospheric pressure
(c) Very low pressure
(d) Pressure difference
10 m of water column is equal to
(a) 10 kN/ meter sq.
(b) 1 kN/ meter sq.
(c) 0.1 kN/meter sq.
(d) 100 kN/meter sq.
Pressure less than atmospheric pressure are called
(a) Absolute Pressure
(b) Gauge Pressure
(c) Atmospheric Pressure
(d) Vacuum Pressure
For pipes, laminar flow occurs when Reynold’s number is
(a) Re <4000
(b) Re > 4000
(c) 2000 <Re<4000
(d) Re is less than or equal to 2000
All the terms of energy in Bernoulli’s equation have dimension of
(a) Energy
(b) Work
(c) Mass
(d) Head
The length of divergent portion of venturimeter in comparison to convergent portion is
(a) More
(b) Less
(c) Equal
(d) None of these
The hydraulic mean depth for a circular pipe of dia d running full is equal
(a) d
(b) d/3
(c) d/2
(d) d/4
Continuity equation is based on
(a) Law of energy conservation
(b) Law of mass conservation
(c) Momentum conservation
(d) All of these
Which of the following instruments is used to measure flow ?
(a) Venturimeter’
(b) Orifice meter
(c) Pitot tube
(d) All of the above
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