Which of the following meters is not associated with viscosity____________________?
A. Red wood
B. Say bolt
C. Engler
D. Orsat
E. none of the above
Month: January 2019
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is___________________?
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is___________________?
A. 400 kg/cm2
B. 4000 kg/cm2
C. 40 x 105 kg/cm2
D. 40 x 106 kg/cm2
E. none of the above
Surface tension__________________?
Surface tension__________________?
A. acts in the plane of the interface normal to any line in the surface
B. is also known as capillarity
C. is a function of the curvature of the interface
D. decreases with fall in temperature
E. has no units
A balloon lifting in air follows the following principle_____________________?
A balloon lifting in air follows the following principle_____________________?
A. law of gravitation
B. Archimedes principle
C. principle of buoyancy
D. all of the above
E. continuity equation
The bulk modulus of elasticity with increase in pressure__________________?
The bulk modulus of elasticity with increase in pressure__________________?
A. increases
B. decreases
C. remains constant
D. increases first up to certain limit and then decreases
E. unpredictable
A fluid in equilibrium can’t sustain____________________?
A fluid in equilibrium can’t sustain____________________?
A. tensile stress
B. compressive stress
C. shear stress
D. bending stress
E. all of the above
A perfect gas____________________?
A perfect gas____________________?
A. has constant viscosity
B. has zero viscosity
C. is in compressible
D. is of theoretical interest
E. none of the above
The tendency of a liquid surface to contract is due to the following property_____________?
The tendency of a liquid surface to contract is due to the following property_____________?
A. cohesion
B. adhesion
C. viscosity
D. surface tension
E. elasticity
Specific weight of water in S.I. units is equal to ________________?
Specific weight of water in S.I. units is equal to ________________?
A. 1000 N/m3
B. 10000 N/m3
C. 9.81 xlO3 N/m3
D. 9.81 xlO6N/m3
E. 9.81 N/m3
Mercury does not wet glass. This is due to property of liquid known as__________________?
Mercury does not wet glass. This is due to property of liquid known as__________________?
A. adhesion
B. cohesion
C. surface tension
D. viscosity
E. compressibility