Pressure of the order of 10″‘ torr can be measured by_______________ ?

Related Mcqs:

1. The center of pressure of a surface subjected to fluid pressure is the point____________________?

   A. on the surface at which resultant pres-sure acts
   B. on the surface at which gravitational force acis
   C. at which all hydraulic forces meet
   D. similar to metacentre
   E. where pressure equivalent to hydraulic thrust will act

2. 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

3. If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________?

   A. 2 meters of water column
   B. 3 meters of water column
   C. 5 meters of water column
   D. 6 meters of water Column
   E. 7 meters of water column

4. The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be ___________________?

   A. 2 meters of water column
   B. 3 meters of water column
   C. 3.5 meters of water column
   D. 4 m of water column
   E. none of the above

5. In order that flow takes place between two points in a pipeline, the differential pressure between thes^ points must be more than_________________?

   A. frictional force
   B. viscosity
   C. surface friction
   D. all of the above
   E. none of the above

6. Flow of water in a pipe about 3 meters in diameter can be measured by_________________?

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

7. The financial health of the company is measured in terms of______________?

   A. Liquidity
   B. Solvency
   C. Relative risk
   D. All of the above

8. If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be____________________?

   A. h
   B. wh
   C. w/h
   D. h/w
   E. h/wh

9. The atmospheric pressure with rise in altitude decreases____________________?

   A. linearly
   B. first slowly and then steeply
   C. first steeply and then gradually
   D. unpredictable
   E. none of the above

10. Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be ___________________?

    A. 1000 kg
    B. 4000 kg
    C. 2000 kg
    D. 8000 kg
    E. 16000 kg