The atmospheric pressure with rise in altitude decreases__________________?

Related Mcqs:

1. The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is__________________?

   A. less
   B. more
   C. equal
   D. may be less or more depending on temperature
   E. unpredictable

2. 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

3. Atmospheric pressure is equal to____________?

   A. 1.013 bar
   B. 760mm of Hg
   C. 101.3KN/m2
   D. All of these

   Submitted by: Faheem Zaman Dhaunroo

4. 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

5. 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 metres of water column
   B. 3 metres of water column
   C. 3.5 metres of water column
   D. 4 m of water column
   E. none of the above

6. 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

7. 1 m of air at atmospheric condition weighs approximately__________________?

   A. 0.5 kg
   B. 1.0 kg
   C. 1.3 kg
   D. 2.2 kg
   E. 3.2 kg

8. 02 content in atmospheric air on volume basis is___________________?

   A. 21%
   B. 23%
   D. 30%
   D. 40%
   E. 70%

9. 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

10. The rise or depression of liquid in a tube due to surface tensionwim increase in size of tube will________________?

    A. increase
    B. remain unaffected
    C. may increase or decrease depending on the characteristics of liquid
    D. decrease
    E. unpredictable