Atmospheric pressure corresponds to a hydrostatic head of_________________?

Related Mcqs:

1. Atmospheric pollution caused by the exhaust gas of supersonic transport air-crafts is mostly in the atmospheric region called________________?

   A. Thermosphere
   B. Stratosphere
   C. Troposphere
   D. Mesosphere

2. With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?

   A. Increases
   B. Decreases
   C. Remains unchanged
   D. First decreases and then increases

3. Normal temperature and pressure (N.T.P.) corresponds to ___________________?

   A. 0°C and 760 mm Hg
   B. 15°C and 760 mm Hg
   C. 20°C and 760 mm Hg
   D. 0°C and 1 kgf/cm2

4. Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to – 100°C is ____________________?

   A. 10.73 kJ
   B. 16.15 kJ
   C. 18.11 kJ
   D. 18.33 kJ

5. 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be _____________ mm Hg?

   A. 650
   B. 700
   C. 600
   D. 375

6. The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

   A. 0.07
   B. 0.09
   C. 0.11
   D. 0.13

7. All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?

   A. Oxygen
   B. Nitrogen
   C. Air
   D. Hydrogen

8. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except__________________?

   A. CO2
   B. H2
   C. O2
   D. N2

9. Heating of water under atmospheric pressure is an ______________ process?

   A. Isochoric
   B. Isobaric
   C. Adiabatic
   D. Isothermal

10. Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is____________________?

    A. 10 atm-1
    B. 105 atm-1
    C. 10 (dimensionless)
    D. 105 (dimensionless)