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- Question
'Giga' stands for
Options- A. 109
- B. 10-12
- C. 1012
- D. 1015
- Correct Answer
- 109
- 1. Cp is expressed in S.I. unit as
Options- A. J/kg.°K
- B. 0°K
- C. W/m2. °C
- D. W/m. °K Discuss
- 2. Kopp's rule is helpful in finding the
Options- A. heat capacities of solids.
- B. heat capacities of gases.
- C. molal heat capacities of gases.
- D. activation energy. Discuss
- 3. __________ kg of CaC03 on heating will give 56 kg of CaO.
Options- A. 56 .
- B. 100
- C. 144
- D. 1000 Discuss
- 4. For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become
Options- A. P/3
- B. 3P
- C. 9P2
- D. 9P Discuss
- 5. One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m3. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m3. The amount of water vapour condensed (in kg) is
Options- A. 0.0
- B. 0.065
- C. 0.1
- D. 1.0 Discuss
- 6. Pick out the wrong statement.
Options- A. Raoult's law holds good for the solubility of polar gases in non-polar liquids.
- B. Molecules with symmetrical arrangement (e.g., CH4 and CCl4) are non-polar.
- C. Most of the hydrocarbons are nonpolar.
- D. Generally, nonpolar compounds are chemically inactive, conduct electricity poorly and do not ionise. Discuss
- 7. The effect of pressure on the heat capacity of the gases __________ is negligible.
Options- A. at pressure below one atmosphere
- B. below the critical temperature
- C. both(a)&(b)
- D. neither (a) nor (b) Discuss
- 8. The value of gas constant 'R' is __________ kcal/kg.mole.°C.
Options- A. 2.79
- B. 1.987
- C. 3.99
- D. none of these Discuss
- 9. The equilibria relations in a multicom-ponent and multiphase system can not be calculated with the help of the
Options- A. phase rule
- B. experimental data
- C. emperical equations
- D. theoretical equations Discuss
- 10. The latent heat of vaporisation
Options- A. decreases with increased temperature.
- B. decreases as pressure increases
- C. becomes zero at the critical point.
- D. all (a), (b) & (c). Discuss
Stoichiometry problems
Search Results
Correct Answer: J/kg.°K
Correct Answer: heat capacities of solids.
Correct Answer: 100
Correct Answer: P/3
Correct Answer: 0.065
Correct Answer: Raoult's law holds good for the solubility of polar gases in non-polar liquids.
Correct Answer: both(a)&(b)
Correct Answer: none of these
Correct Answer: phase rule
Correct Answer: all (a), (b) & (c).
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