A. decreases linearly with elevation
B. remains constant
C. varies in the same way as the density
D. increases exponentially with elevation
E. unpredictable
Related Mcqs:
- Depletion of ozone layer in the outer atmosphere may cause___________________ ?
A. Lung cancer
B. Skin cancer
C. Bronchitis
D. Heart disorder - For very great pressures, viscosity of moss gases and liquids __________________?
A. remains same
B. increases
C. decreases
D. shows erratic behaviour
E. none of the above. - Free surface of a liquid tends to contract to the smallest possible area due to force of _________________?
A. surface tension
B. viscosity
C. friction
D. cohesion
E. adhesion - Practical fluids____________________?
A. are viscous
B. possess surface tension
C. are compressible
D. possess all the above properties
E. possess none of the above properties - Kinematic viscosity is dependent upon________________?
A. pressure
B. distance
C. level
D. flow
E. density - The process of diffusion of one liquid into the other through a semi-permeable membrane is called _______________?
A. viscosity
B. osmosis
C. surface tension
D. cohesion
E. diffusivity - The center of pressure of a surface subjected to fluid pressure is the point____________________?
A. on the surface at which resultant pres-sure acts
B. on the surface at which gravitational force acis
C. at which all hydraulic forces meet
D. similar to metacentre
E. where pressure equivalent to hydraulic thrust will act - The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be ___________________?
A. 2 meters of water column
B. 3 meters of water column
C. 3.5 meters of water column
D. 4 m of water column
E. none of the above - Hydrometer is used to determine________________?
A. specific gravity of liquids
B. specific gravity of solids
C. specific gravity of gases
D. relative humidity
E. density - At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_______________?
A. minimum
B. maximum
C. zero
D. negative value
E. could be any value
