TasDia Network
TasDia Network

MCQs 1: The peoperty by virtue of which a liquid opposes relative motion between its different layers is called_________________?

surface tension co-efficient of viscosity viscosity osmosis cohesion
Answer Explanation

MCQs 2: The units of dynamic or absolute viscosity are_______________?

metres2 per sec kg sec/meter newton-sec per meter newton-sec2 per meter none of the above
Answer Explanation

MCQs 3: The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will_______________?

increase remain unaffected may increase or decrease depending on the characteristics of liquid decrease unpredictable
Answer Explanation

MCQs 4: Capillary action is due to the__________________?

surface tension cohesion of the liquid adhesion of the liquid molecules and the molecules on the surface of a solid all of the above none of the above
Answer Explanation

MCQs 5: Liquids transmit pressure equally in all the directions. This is according to_________________?

Boyle’s law Archimedes principle Pascal’s law Newton’s formula Chezy’s equation
Answer Explanation

MCQs 6: The continuity equation is connected with_______________?

viscous/unviscous fluids compressibility of fluids conservation of mass steady/unsteady flow open channel/pipe flow
Answer Explanation

MCQs 7: The process of diffusion of one liquid into the other through a semi-permeable membrane is called _______________?

viscosity osmosis surface tension cohesion diffusivity
Answer Explanation

MCQs 8: The vapour pressure over the concave surface is__________________?

less man the vapour pressure over the plane surface equal to the vapour pressure over the plane surface greater than the vapour pressure over the plane surface zero none of the above
Answer Explanation

MCQs 9: The difference of pressure between the inside and outside of a liquid drop is_____________?

p = Txr p = T/r p = T/2r p = 2T/r none of the above
Answer Explanation

MCQs 10: The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately_______________?

1 mm 5 mm 10 mm 20 mm 30 mm
Answer Explanation

MCQs 11: Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the______________?

force of adhesion force of cohesion force of friction force of diffusion none of die above
Answer Explanation

MCQs 12: Surface energy per unit area of a surface is numerically equal to ___________________?

atmospheric pressure surface tension force of adhesion force of cohesion viscosity
Answer Explanation

MCQs 13: The vapour pressure over the concave surface is________________?

less man the vapour pressure over the plane surface equal to the vapour pressure over the plane surface greater than the vapour pressure over the plane surface zero none of the above
Answer Explanation

MCQs 14: To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than_______________?

2.4 m above the hydraulic gradient 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 5.0 above the hydraulic gradient none of the above
Answer Explanation

MCQs 15: The difference of pressure between the inside and outside of a liquid drop is________________?

p = Txr p = T/r p = T/2r p = 2T/r none of the above
Answer Explanation

MCQs 16: The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately____________________?

1 mm 5 mm 10 mm 20 mm 30 mm
Answer Explanation

MCQs 17: Surface energy per unit area of a surface is numerically equal to___________________?

atmospheric pressure surface tension force of adhesion force of cohesion viscosity
Answer Explanation

MCQs 18: Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the_______________?

force of adhesion force of cohesion force of friction force of diffusion none of die above
Answer Explanation

MCQs 19: The atmospheric pressure with rise in altitude decreases____________________?

linearly first slowly and then steeply first steeply and then gradually unpredictable none of the above
Answer Explanation

MCQs 20: An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of_________________?

1 1.2 0.8 0.75 1.25
Answer Explanation

Related Topics

About Us | Contact Us | Privacy Policy
ABOUT US
Category
Who We Are

TasDia Network, this platform not only provides you the best educational stuff but besides this, we are creating thousands of new ideas to making your signature and planning much more on a single platform.

© 2020-2023, TasDia Network

All rights of the publication are reserved by tasdia.com.