A. change vapour into liquid
B. change liquid into vapour
C. increase the temperature of a liquid of vapour
D. convert water into steam and superheat it
E. convert saturated steam into dry steam
A. increases
B. decreases
C. remains constant
D. may increase or decrease depending on temperature
E. unpredictable
A. conduction
B. convection
C. radiation
D. conduction and convection
E. convection and radiation
A. kcal/kg m2 °C
B. kcal-m/hr m2 °C
C. kcal/hr m2 °C
D. kcal-m/hr °C
E. kcal-m/m2 °C
A. increases
B. decreases
C. remains constant
D. may increase or decrease depending on temperature
E. unpredictable
A. increase
B. decrease
C. remain unaffected
D. may increase/decrease depending on temperature and thickness of insulation
E. none of the above
A. liquids
B. energy
C. temperature
D. entropy
E. enthalpy
A. conduction
B. convection
C. radiation
D. conduction and convection
E. convection and radiation
A. zeroth law of thermodynamics
B. first law of thermodynamic
C. second law of the thermodynamics
D. Kirchoff’s law E. Stefan’s law
A. Iran
B. China
C. Pakistan
D. India