1. Practical fluids possess
A. viscosity
B. surface tension
C. compressibility
D. all the above.

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2. Liquids
A. cannot be compressed
B. do not occupy definite shape
C. are not affected by change in pressure and temperature
D. none of these.

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3.  The dimensional formula of force is
A. MLT-2
B. ML2T
C.ML2T-2
D. none of these.

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4. One metric slug is equal to
A. 1 kg wt
B. 9.81 kg wt
C. 9.81 kg mass
D. 0.98 kg wt.

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5.  Specific weight of liquid
A. remains constant at every place
B. does not remain constant at every place
C. varies from place to place on the earth
D. does not vary on any other planet.

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6. The specific weight of water is 1000 kg/m3
A. at normal pressure of 760 mm
B. at 4?C temperature
C. at mean sea level
D. all the above.

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7. Specific weight of sea water is more than that of pure water because of
A. dissolved air
B. dissolved salts
C. suspended matter
D. all the above.

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