A. High heat capacity
B. Low heat capacity
C. High thermal conductivity
D. Both B. and C.
Related Mcqs:
- Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is_____________________?
A. Positive
B. Negative
C. Zero
D. Infinity - Leakage in a cooking gas cylinder is detected by___________________?
A. Radio-isotopes
B. Pouring soap solution on the surface and locating the gas bubbles
C. Halide torch
D. Pungent smell of mercaptans present in the gas - In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?
A. Tin
B. Lead
C. Zinc
D. Glass - If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in____________________?
A. Volume
B. Enthalpy
C. Both A. & B
D. Neither A. nor B - During a reversible isothermal expansion of an ideal gas, the entropy change is_________________?
A. +ve
B. 0
C. -ve
D. ∞ - Heat is added at constant temperature in an ideal ______________ cycle?
A. Stirling
B. Brayton
C. Rankine
D. None of these - Which of the following behaves most closely like an ideal gas ?
A. He
B. N2
C. O2
D. H2 - Internal energy is independent of the ____________ for an ideal gas?
A. Pressure
B. Volume
C. Both A. & B.
D. Neither A. nor B. - No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules____________________?
A. Collide without loss of energy
B. Do work equal to loss in kinetic energy
C. Are above the inversion temperature
D. Exert no attractive force on each other - Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?
A. Do not lose energy on collision
B. Are above the inversion temperature
C. Do not exert attractive force on each other
D. Do work equal to loss in kinetic energy
