Piezometer is used to measure_____________________?

Related Mcqs:

1. Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?

   A. pco2/?2
   B. pco2/?2/2
   C. 2pa2R2
   D. pa2R/2
   E. none of the above

2. The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately____________________?

   A. 1 mm
   B. 5 mm
   C. 10 mm
   D. 20 mm
   E. 30 mm

3. A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is_________________?

   A. 1
   B. 5
   C. 7
   D. 6

4. The time oscillation of a floating body with increase in metacentric height will be_________________?

   A. same
   B. higher
   C. lower
   D. lower/higher depending on weight of body
   E. unpredictable

5. A large Roynold number is indication of________________?

   A. smooth and streamline flow
   B. laminar flow
   C. steady flow
   D. turbulent flow
   E. highly turbulent flow

6. Uniform flow occurs when_____________________?

   A. the direction and magnitude of the velocity at all points are identical
   B. the velocity of successive fluid paiticles, at any point, is the same at successive periods of time
   C. the magnitude and direction of the velocity do not change from point to point in the fluid
   D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each pleasure
   E. velocity, depth, pressure, etc. change from point to point in the fluid flow

7. Center of pressure on an inclined plane is___________________?

   A. at the centroid
   B. above the centroid
   C. below the centroid
   D. at metacentre
   E. at center of pressure

8. 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

9. Specific weight of sea water is more that of pure water because it contains_________________?

   A. dissolved air
   B. dissolved salt
   C. suspended matter
   D. all of the above
   E. heavy water

10. For very great pressures, viscosity of moss gases and liquids__________________?

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