To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than____________________?

Related Mcqs:

1. A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water 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...

2. At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_________________?

   A. minimum B. maximum C. zero D. negative value E. could be any value...

3. During the opening of a valve in a pipe line, the flow is_________________?

   A. steady B. unsteady C. uniform D. laminar E. free vortex type...

4. The critical pressure at which latent heat of vaporisation is zero is________________?

   A. 225.65 kgf/cm2 B. 273 kgf/cm2 C. 100 kgf/cm2 D. 1 kgf/cm2 E. – 1 kgf/cm2...

5. At critical point, i.e. p=225.65 kg/cm2, the latent enthalpy of vaporisation is______________?

   A. maximum B. minimum C. zero D. depends on temperature also E. none of the above...

6. The pressure at which latent heat of vaporisation of water is zero, is_________________?

   A. below atmospheric pressure B. 1 kg/cm2 C. 100 kg/cm2 D. 170 kg/cm2 E. 225.6 kg/cm2...

7. To avoid an interruption in the flow of a syphon, an air vessel is provided__________________?

   A. at the inlet B. at the outlet C. at the summit D. ay nay point between inlet and outlet E. none of the above...

8. Flow of water in a pipe about 3 metres in diameter can be measured by__________________?

   A. orifice plate B. venturi C. rotameter D. pitot tube E. nozzle...

9. Two pipe systems can be said to be equivalent, when the following quantities are same__________________?

   A. friction loss and flow B. length and diameter C. flow and length D. friction factor and diameter E. velocity and diameter...

10. The most popular firing order in case of four cylinder in-line I.C. engine is__________________?

    A. 1-2-3-4 B. 1-3-2-4 C. 1-4-2-3 D. 1-2-4-3 E. 1-3-4-...