Discussion
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- Question
A vessel of volume 1000 m3 contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately
Options- A. 17
- B. 20
- C. 25
- D. 34
- Correct Answer
- 17
- 1. Applicability of Claussius-Clapeyron equation is subject to the condition that the
Options- A. vapor follows ideal gas law.
- B. volume in the liquid state is negligible.
- C. both (a) & (b)
- D. neither (a) nor (b) Discuss
- 2. The vapor pressure of water at 100°C is
Options- A. 100N/m2
- B. 76 cms of Hg
- C. 13.6 cms of Hg
- D. 760 mm wc Discuss
- 3. 1 bar is almost equal to __________ atmosphere.
Options- A. 1
- B. 10
- C. 100
- D. 1000 Discuss
- 4. Cp - Cv, for an ideal gas is equal to
Options- A. R
- B. R/2
- C. 2R
- D. 3R Discuss
- 5. Heat of reaction is a function of the
Options- A. pressure
- B. temperature
- C. both(a)&(b)
- D. neither (a) nor (b) Discuss
- 6. An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is
Options- A. 0.2500
- B. 0.2528
- C. 0.5000
- D. 0.5055 Discuss
- 7. 1m3 is approximately equal to
Options- A. 28 litres
- B. 35 ft3
- C. 4.5 litres
- D. 4.5 ft3 Discuss
- 8. The unit of Cp in S.I. units is
Options- A. W/m2.°K
- B. J/kg.°K
- C. W/m.°K
- D. J/m3. °K Discuss
- 9. Enthalpy of a vapor gas mixture may be increased by increasing the
Options- A. temperature at constant humidity.
- B. humidity at constant temperature.
- C. temperature and the humidity.
- D. all (a), (b) & (c). Discuss
- 10. Cv for monoatomic gases is equal to(where, R = gas constant)
Options- A. R
- B. 1.5 R
- C. 2R
- D. 3R Discuss
Stoichiometry problems
Search Results
Correct Answer: both (a) & (b)
Correct Answer: 76 cms of Hg
Correct Answer: 1
Correct Answer: R
Correct Answer: both(a)&(b)
Correct Answer: 0.5055
Correct Answer: 35 ft3
Correct Answer: J/kg.°K
Correct Answer: all (a), (b) & (c).
Correct Answer: 1.5 R
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