Question 1Dimension of absolute viscosity is? A.ML-1T-1B.MIT1C.ML-1T D.MLT Objective Show full explanation
Question 2Turbulent flow generally occurs for cases involving? A.Highly viscous fluid B.very narrow passages C.very slow motion D.none of these. Objective Show full explanation
Question 3Forces acting on a particle setting in fluid are forces? A.gravitational and buoyant B.centrifugal and buoyant C.gravitational or centrifugal buoyant drag D.external, drag and viscous. Objective Show full explanation
Question 4The phenomenon of light bending round an obstacle isA.reflection B.diffractionC.PolarisationD.Refraction Objective Show full explanation
Question 5Which of the following is not a high viscous fluid? A.Kerosene B.glue C.grease D.glycerin Objective Show full explanation
Question 6Mercury is an ideal barometric fluid mainly due to its A.High density B.low compressibility C.low capillary action D.very low vapour pressure Objective Show full explanation
Question 8Which of the following has the smallest least effect on the solubility of a solute into the solvent? A.Nature of the solute B.Nature of the solvent C.Temperature D.Pressure Objective Show full explanation
Question 9Which of the following is insensitive to change in pressure? A.Heat of vaporization B.melting point C.heat of fusion D.both B and C Objective Show full explanation
Question 10Vapour pressure of water at 100°C is about ______ bar? A.0.1013 B.1.013 C.10.13 D.101.3 Objective Show full explanation
Question 11A 12V battery supplying a current of 20A was used to melt 1.5kg of ice at 0°C. Calculate the time required if the latent heat of fusion of ice is 336 x 10J/Kg. A.35.0min B.3.5min C.76min D.21.0min Objective Show full explanation
Question 12The light from the sun reaches the earth mainly by A.Convection B.Conduction C.radiation D.reflectionObjective Show full explanation
Question 13One valid assumption of the kinetic theory of gases is that: A.the molecules are in random motion and the number of collision is constant B.the number of molecules increases with the pressure C.the molecules of the gas are all identical and are very small in size D.the number of molecules increases with temperature. Objective Show full explanation
Question 14An astronomical telescope is said to be in normal adjustment when the A.eye is accommodated B.focal length of the objective lens is longer than that of the eye piece C.final image Is at the near point of the eye D.final image is at infinityObjective Show full explanation