In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible ______________ process?

Byadmin March 11, 2019August 29, 2021

In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible ______________ process?

A. Isothermal
B. Adiabatic
C. Isentropic
D. Polytropic

Thermodynamics for Chemical

Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?

Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?

A. 300 × (32/7)
B. 300 × (33/5)
C. 300 × (333/7)
D. 300 × (35/7)

Read More Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?
Thermodynamics for Chemical

A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be _____________ litres?

A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be _____________ litres?

A. 448
B. 224
C. 22.4
D. Data insufficient; can’t be computed

Read More A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be _____________ litres?
Thermodynamics for Chemical

In the reaction, C + O2 → CO2; ΔH = – 94 kcal. What is the heat content (enthalpy) of O2 ?

In the reaction, C + O2 → CO2; ΔH = – 94 kcal. What is the heat content (enthalpy) of O2 ?

A. -94 kcal
B. > -94 kcal
C. < – 94 kcal
D. Zero

Read More In the reaction, C + O2 → CO2; ΔH = – 94 kcal. What is the heat content (enthalpy) of O2 ?
CHEMICAL ENGINEERING | Thermodynamics for Chemical

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?

A. ∞
B. 1
C. 0
D. -ve

Read More The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?
Thermodynamics for Chemical

For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be__________________?

For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be__________________?

A. 6738.9
B. 6753.5
C. 7058.3
D. 9000

Read More For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be__________________?
Thermodynamics for Chemical

The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?

The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?

A. An open system of constant composition
B. A closed system of constant composition
C. An open system with changes in composition
D. A closed system with changes in composition

Read More The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?

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