A. specific gravity of liquids
B. specific gravity of solids
C. specific gravity of gases
D. relative humidity
E. density
A. ratio of inertial force to force due to viscosity
B. ratio of inertial force to force due to gravitation
C. ratio of inertial force to force due to surface tension
D. all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity
A. the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid
B. pressure becomes more than critical pressure
C. flow is increased
D. pressure is increased
E. none of the above
A. comparing two identical equipments
B. designing models so that the result can be converted to prototypes
C. comparing similarity between design and actual equipment
D. hydraulic designs
E. performing acceptance tests
A. high velocity
B. high pressure
C. weak material
D. low pressure
E. low viscosity
A. mass
B. momentum
C. energy
D. work
E. force
A. 10 kg
B. 100 kg
C. 1000 kg
D. 1 kg
E. 10,000 kg
A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000
E. none of the above
A. 1 Pa
B. 91Pa
C. 981 Pa
D. 9810 Pa
E. 98,100 Pa