A. gm/cm2. sec
B. gm/cm. sec
C. cm2/sec
D. m2/sec
Related Mcqs:
- The unit of dynamic viscosity in SI unit is__________________?
A. kg/m. sec
B. N/m2
C. m2 /sec
D. m/N. sec - A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke’s law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity ?
A. Same as that of A
B. One fourth as that of A
C. Twice as that of A
D. Four times as that of A - The dimension of dynamic viscosity is__________________?
A. ML-1T-1
B. L2T-1
C. LT-2
D. ML-1T-2 - As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, μ = fluid viscosity) ?
A. 1/μ
B. μ
C. μ2
D. 1/μ2 - A gas (density = 1.5 kg/m3, viscosity = 2 × 10‒5 kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.5) at a superficial velocity of 2 m/s causes a pressure drop of 8400 Pa/m. The pressure drop for another gas, with density of 1.5 kg/m3and viscosity of 3 × 10‒5kg/m.s flowing at 3 m/s will be________________?
A. 8400 Pa/m
B. 12600 Pa/m
C. 18900 Pa/m
D. 16800 Pa/m - What is the unit of kinematic viscosity in SI unit ?
A. M2/sec
B. N/m2. sec
C. Kg. sec/m
D. None of these - Dimension of absolute viscosity is_________________?
A. ML-1T-1
B. MLT-1
C. ML-1T
D. MLT - Absolute viscosity of a fluid is a function of the __________ of the fluid?
A. Motion
B. Pressure & temperature
C. Shearing stress
D. Both B. & C. - Which law/principle of solid mechanics is similar/equivalent to Newton’s law of viscosity in fluid mechanics ?
A. Archimedes principle
B. Newton’s second law of motion
C. Hooke’s law
D. Newton’s third law of motion - Choose the correct set of dimensions of viscosity that are equivalent (where, F, M, L, T are dimensions for force, mass, length and time respectively) ?
A. FL-2T, ML-1T-1
B. FLT, ML-1T-1
C. ML-1T-3, F-1L2T
D. F-1L2T-1, MLT-3
