Thermodynamics MCQs

A. More

B. Less

C. Same

D. Unpredictable; depends on the particular reaction

A. N = y = 1.4

B. N = 0

C. N = 1

D. N = 1.66

A. Increased COP

B. Same COP

C. Decreased COP

D. Increased or decreased COP ; depending upon the type of refrigerant

A. -94 kcal

B. + 94 kcal

C. > 94 kcal

D. < -94 kcal

A. At low temperature and high pressure

B. At standard state

C. Both A and B

D. In ideal state

A. Pressure

B. Solubility

C. Temperature

D. None of these

A. Positive

B. Negative

C. Zero

D. May be positive or negative

A. Melting point of ice

B. Melting point of wax

C. Boiling point of liquids

D. None of these

A. Less

B. More

C. Same

D. More or less depending upon the extent of work done

A. -273

B. 0

C. -78

D. 5