Hydraulics and Fluid Mechanics

A. it is the best liquid
B. the height of barometer will be less
C. its vapour pressure is so low that it may be neglected
D. both B. and C.
E. it moves easily

A. Venturimeter
B. Orifice plate
C. hot wire anemometer
D. rotameter
E. pitot tube

A. decreases linearly with elevation
B. remains constant
C. varies in the same way as the density
D. increases exponentially with elevation
E. unpredictable

A. gas law
B. Boyle’s law
C. Charle’s law
D. Pascal’s law
E. McLeod’s law

A. Bourdon tube
B. Pirani Gauge
C. micro-manometer
D. ionisastion gauge
E. McLeod gauge

A. shear stress anctthejiate of angular distortion
B. shear stress and viscosity
C. shear stress, velocity and viscosity
D. pressure, velocity and viscosity
E. shear stress, pressure and rate of angular distortion

A. 1
B. 1.2
C. 0.8
D. 0.75
E. 1.25

A. linearly
B. first slowly and then steeply
C. first steeply and then gradually
D. unpredictable
E. none of the above

A. force of adhesion
B. force of cohesion
C. force of friction
D. force of diffusion
E. none of die above