94 Hydraulics McQ Chapter Wise Online Test of 25 Question #2 Hydraulics McQ Chapter Wise McQ online Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. The specific gravity of water is taken as A. 0.001 B. 0.01 C. 0.1 D. 1 2 / 25 2. Specific gravity of water is taken as A. 1 B. 13.5 C. 100.1 D. 000.1 3 / 25 3. The property of a fluid by virtue of which it offers resistance to the movement of one layer of fluid over an adjacent layer is termed as A. mass B. weight C. viscosity D. density 4 / 25 4. Newton’s Law of viscosity relates A. pressure, velocity and viscosity. B. shear stress and rate of angular deformation in a fluid. C. shear stress, temperature, velocity and viscosity. D. pressure, viscosity and rate of angular deformation 5 / 25 5. The terminal velocity of a small sphere settling In a viscous fluid varies as the A. inverse of the fluid viscosity B. inverse square of the diameter C. inverse of the diameter D. first power of its diameter. 6 / 25 6. A liquid with high viscosity A. flows with high velocity B. flows equally with other liquid C. flows with low velocity D. gives good ductility 7 / 25 7. The units of viscosity is A. Newton sec per m² B. kg sec/m³ C. Newton sec² /m³ D. m³ per sec 8 / 25 8. Poise is the unit of A. viscosity B. density C. velocity D. rugosity 9 / 25 9. Viscosity of water in comparison to mercury is A. higher B. lower C. same D. higher/lower depending on temperature 10 / 25 10. Kinematic viscosity is defined as equal to A. Dynamic viscosity * density B. Dynamic viscosity / density C. Dynamic viscosity * pressure D. Pressure / density 11 / 25 11. Choose the correct relationship A. specific gravity = gravity x density B. dynamic viscosity = kinematic viscosity x density C. gravity = specific gravity x density D. kinematic viscosity = dynamic viscosity x density 12 / 25 12. Kinematic viscosity is dependent upon A. pressure B. distance C. level D. density 13 / 25 13. The unit of kinematic viscosity is A. gm/cm-sec² B. dyne-seclcm² C. gm/cm² -sec D. cm² /sec 14 / 25 14. If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is A. 0.25 B. 0.50 C. 1.0 D. none of the above 15 / 25 15. Viscosity of an oil changes with A. Temperature B. Speed C. Weight D. Type of bearing 16 / 25 16. For liquids, viscosity A. decreases with increase in temperature B. increases with increase in temperature C. has no relationship with temperature D. is proportional with square of temperature 17 / 25 17. Viscosity of a liquid A. Drops with temperature B. Rises with temperature C. Does not vary with temperature D. Remains constant upto a certain temperature 18 / 25 18. The viscosity of a gas A. decreases with increase in temperature B. increases with increase in temperature C. is independent of temperature D. is independent of pressure for very high-pressure intensities 19 / 25 19. The increase of temperature results in A. increase in viscosity of gas B. increase in viscosity of liquid C. decrease in viscosity of gas D. (a) and (d) above 20 / 25 20. An ideal fluid is A. one which obeys Newton's law of viscosity B. frictionless and incompressible C. very viscous D. frictionless and compressible 21 / 25 21. An ideal fluid A. is frictionless and incompressible B. obeys Newton's law of viscosity C. is similar to gas D. is very viscous 22 / 25 22. A fluid is said to be ideal, if it is A. incompressible B. inviscous C. viscous and incompressible D. inviscous and incompressible 23 / 25 23. If no resistance is encountered by displacement, such a substance is known as A. fluid B. water C. gas D. ideal fluid 24 / 25 24. Practical fluid posses A. viscosity B. surface tension C. compressibility D. all of above 25 / 25 25. A perfect gas A. has constant viscosity B. has zero viscosity C. is incompressible D. none of the above Your score is The average score is 58% 0% Restart quiz Exit civil engineerhydraulics mcqmcq civilmock testnecpscupsc
