CHEMICAL ENGINEERING | Chemical Engineering Basics

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

Byadmin August 3, 2022

Question: While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the
[A].

low impact strength.

[B].

high flexibility.

[C].

better finish and surface appearance.

[D].

high plastic deformation.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Materials and Construction

Bell metal is an alloy of

Question: Bell metal is an alloy of
[A].

copper & zinc
[B].
copper & tin
[C].
copper & nickel
[D].
zinc & tin

Answer: Option B

Explanation:

No answer description available for this question.

Read More Bell metal is an alloy of
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)s and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv)

Question: On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)s and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv)
[A].

(∂P/∂V)S = (∂P/∂V)T
[B].
(∂P/∂V)S = [(∂P/∂V)T]Y
[C].
(∂P/∂V)S = y(∂P/∂V)T
[D].
(∂P/∂V)S = 1/y(∂P/∂V)T

Answer: Option C

Explanation:

No answer description available for this question.

Read More On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)s and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv)
CHEMICAL ENGINEERING | Fuels and Combustion

A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the reminder going to CO, the Orsat analysis in volume percent is

Question: A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the reminder going to CO, the Orsat analysis in volume percent is
[A].

CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60
[B].
CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02
[C].
CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2:72.06
[D].
CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74

Answer: Option B

Explanation:

No answer description available for this question.

Read More A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the reminder going to CO, the Orsat analysis in volume percent is
Chemical Engineering Basics

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m2. °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively ?

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m2. °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively ?

A. 2
B. 8
C. 10
D. 40

Read More What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m2. °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively ?
CHEMICAL ENGINEERING | Fluid Mechanics

Cd for the orifice plate varies from

Question: Cd for the orifice plate varies from
[A].

0.58 to 0.8
[B].
0.93 to 0.98
[C].
0.2 to 0.3
[D].
0.02 to 0.03

Answer: Option A

Explanation:

No answer description available for this question.

Read More Cd for the orifice plate varies from
CHEMICAL ENGINEERING | Fertiliser Technology

Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

Question: Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.
[A].

5
[B].
20
[C].
50
[D].
65

Answer: Option B

Explanation:

No answer description available for this question.

Read More Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

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