A large iceberg melts at the base, but not at the top, because of the reason that
Ice at the base contains impurities which lowers its melting point
Due to the high pressure at the base, its melting point reduces
The iceberg remains in a warmer condition at the base
All (A), (B) and (C)
- Which of the following equations is used for the prediction of activity co-efficient from experiments?
- The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator…
- Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature…
- Domestic refrigerator usually works on the __________ refrigeration cycle.
- If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
- Ideal gas law is applicable at
- The partial pressure of each constituent present in an alloy is __________ the total vapor pressure…
- With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure
- For equilibrium process (i.e. reversible) in an isolated system
- Which is a state function?
- Work done in an adiabatic process between two states depends on the
- Internal energy change of a system over one complete cycle in a cyclic process is
- Which one is true for a throttling process?
- Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 >…
- Specific __________ does not change during phase change at constant temperature and pressure.
- Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
- A gas mixture of three components is brought in contact with a dispersion of an organic phase in water.…
- For a given substance at a specified temperature, activity is __________ to fugacity.
- On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal…
- Entropy of the system decreases, when
- Heat is added at constant temperature in an ideal __________ cycle.
- Heat of reaction at constant volume is identified with __________ change.
- __________ increases with increase in pressure.
- Pick out the undesirable property for a good refrigerant.
- Which of the following is not affected by temperature changes?
- The kinetic energy of gas molecule is zero at
- dW and dq are not the exact differential, because q and W are
- Joule-Thomson co-efficient is defined as
- For an exothermic reaction
- Variation of equilibrium pressure with temperature for any two phases of a given substances is given…