A. higher
B. lower
C. same
D. higher/lower depending on temperature
E. unpredictable.
Related Mcqs:
- If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water___________________?
A. 51 cm
B. 50 cm
C. 52 cm
D. 52.2 cm
E. 51.7 cm - A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury ?
A. the metal piece will simply float over the mercury
B. the metal piece will be immersed in mercury by half
C. whole of the metal piece will be immersed with its top surface just at mercury level
D. metal piece will sink to the bottom
E. none of the above - A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?
A. 0.5
B. 0.4
C. 0.515
D. 0.5
E. none of the above - The surface tension of mercury at normal temperature compared to that of water is____________________?
A. more
B. less
C. same
D. more or less depending on size of glass tube
E. none of the above. - The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is ______________________?
A. 2.4 m
B. 3.0 m
C. 4.0 m
D.”2.5 m
E. 5.0 m - The ratio of absolute viscosity to mass density is known as____________________?
A. specific viscosity
B. viscosity index
C. kinematic viscosity
D. coefficient of viscosity
E. coefficient of compressibility - Which of the following is the unit of kinematic viscosity _________________?
A. pascal
B. poise
C. stoke
D. faraday
E. none of the above - The units of viscosity are__________________?
A. metres2 per sec
B. kg sec/metre
C. newton-sec per metre2
D. newton-sec per metre
E. none of the above - The units of kinematic viscosity are_______________?
A. metres2 per sec
B. kg sec/meter
C. newton-sec per meter
D. newton-sec per meter
E. none of the above - Dynamic viscosity of most of the liquids with rise in temperature____________________?
A. increases
B. decreases
A. remains unaffected
D. unpredictable
E. none of the above
