Thermodynamics for Chemical

COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about____________________?

Byadmin March 12, 2019August 30, 2021

COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about____________________?

A. 0.5
B. 3.5
C. 4.5
D. 8.5

Thermodynamics for Chemical

For a given substance at a specified temperature, activity is ______________ to fugacity?

For a given substance at a specified temperature, activity is ______________ to fugacity?

A. Directly proportional
B. Inversely proportional
C. Equal
D. None of these

Read More For a given substance at a specified temperature, activity is ______________ to fugacity?
Thermodynamics for Chemical

As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches________________?

As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches________________?

A. Zero
B. Unity
C. Infinity
D. None of these

Read More As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches________________?
Thermodynamics for Chemical

_______________ increases with increase in pressure?

_______________ increases with increase in pressure?

A. The melting point of wax
B. The boiling point of a liquid
C. Both A. and B
D. Neither A. nor B

Read More _______________ increases with increase in pressure?
Thermodynamics for Chemical

With increase in compression ratio, the efficiency of the otto engine________________?

With increase in compression ratio, the efficiency of the otto engine________________?

A. Increases
B. Decreases
C. Remain constant
D. Increases linearly

Read More With increase in compression ratio, the efficiency of the otto engine________________?
Thermodynamics for Chemical

Which of the following is an extensive property of a system ?

Which of the following is an extensive property of a system ?

A. Heat capacity
B. Molal heat capacity
C. Pressure
D. Concentration

Read More Which of the following is an extensive property of a system ?
Thermodynamics for Chemical

Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?

Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?

A. P + F – C = 2
B. C = P – F + 2
C. F = C – P – 2
D. P = F – C – 2

Read More Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?