Which of the following manometer has highest sensitivity __________________?

Related Mcqs:

1. In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to_________________?

   A. sin 9
   B. sin 9
   C. casS
   D. cos 9
   E. tan 9

2. For manometer, a better liquid combination is one having______________?

   A. higher surface tension
   B. lower surface tension
   C. surface tension is no criterion
   D. high density and viscosity
   E. low density and viscosity

3. Alcohol is used in manometer, because___________________?

   Choose the wrong statement ?

   A. its vapour pressure is low
   B. it provides suitable meniscus for the inclined tube
   C. its density is less
   D. it provides longer length for a given pressure difference
   E. it provides accurate readings.

4. Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem __________________?

   A. Venturimeter
   B. Orifice plate
   C. nozzle
   D. pitot tube
   E. all of the above

5. For very great pressures, viscosity of moss gases and liquids __________________?

   A. remains same
   B. increases
   C. decreases
   D. shows erratic behaviour
   E. none of the above.

6. The bulk modulus of elasticity __________________?

   A. has the dimensions of 1/pressure
   B. increases with pressure
   C. is large when fluid is more compressible
   D. is independent of pressure and viscosity
   E. is directly proportional to flow.

7. Working principle of dead weight pressure gauge tester is based on __________________?

   A. Pascal’s law
   B. Dalton’s law of partial pressure
   C. Newton’s law of viscosity .
   D. Avogadro’s hypothesis
   E. Second law of thermodynamic

8. The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if __________________?

   A. the area is horizontal
   B. the area is vertical
   C. the area is inclined
   D. all of the above
   E. none of the above

9. A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?

   A. 9,000 kg
   B. 13,500 kg
   C. 18,000 kg
   D. 27,000 kg
   E. 30,000 kg

10. For a floating body to be in equilibrium __________________?

    A. meta center should be above e.g.
    B. center of buoyancy and e.g. must lie on same vertical plane
    C. a righting couple should be formed
    D. all of the above
    E. none of the above