CHEMICAL ENGINEERING | Thermodynamics for Chemical

Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is__________________?

Byadmin March 12, 2019August 30, 2021

Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is__________________?

A. 2
B. 0
C. 1
D. 3

Thermodynamics for Chemical

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by__________________?

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by__________________?

A. T1/(T1-T2)
B. T2/(T1-T2)
C. T1/T2
D. T2/R1

Read More The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by__________________?
CHEMICAL ENGINEERING | Fluid Mechanics

Forces acting on a particle settling in fluid are __________ forces.

Question: Forces acting on a particle settling in fluid are __________ forces.
[A].

gravitational & buoyant.
[B].
centrifugal & drag.
[C].
gravitational or centrifugal buoyant drag.
[D].
external, drag & viscous.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Forces acting on a particle settling in fluid are __________ forces.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Heat dissipation in cooling towers is mainly by

Question: Heat dissipation in cooling towers is mainly by
[A].

conduction
[B].
convection
[C].
evaporation
[D].
radiation

Answer: Option C

Explanation:

No answer description available for this question.

Read More Heat dissipation in cooling towers is mainly by
CHEMICAL ENGINEERING | Fluid Mechanics

For water, when the pressure increases, the viscosity

Question: For water, when the pressure increases, the viscosity
[A].

also increases
[B].
decreases
[C].
remains constant
[D].
first decreases, and then increases

Answer: Option D

Explanation:

No answer description available for this question.

Read More For water, when the pressure increases, the viscosity
CHEMICAL ENGINEERING | Heat Transfer

Heat transfer co-efficient equation for forced convection, Nu = 0.023 Re0.8 . Prn, is not valid, if the value of

Question: Heat transfer co-efficient equation for forced convection, Nu = 0.023 Re0.8 . Prn, is not valid, if the value of
[A].

n = 0.4 is used for heating.
[B].
n = 0.3 is used for cooling.
[C].
Reynolds number for the flow involved is > 10000.
[D].
Reynolds number for the flow involved is < 2100.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Heat transfer co-efficient equation for forced convection, Nu = 0.023 Re0.8 . Prn, is not valid, if the value of
Thermodynamics for Chemical

In any spontaneous process, the ______________ free energy decreases ?

In any spontaneous process, the ______________ free energy decreases ?

A. Helmholtz
B. Gibbs
C. Both A. & B.
D. Neither A. nor B.

Read More In any spontaneous process, the ______________ free energy decreases ?