Chemical Engineering Basics

The majority charge carriers in p-type silicon are______________________?

Byadmin February 7, 2019August 20, 2021

The majority charge carriers in p-type silicon are______________________?

A. Free electrons
B. Ions
C. Conduction electrons
D. Holes

Chemical Engineering Basics

A solar cell converts the sunlight directly into ______________ energy?

A solar cell converts the sunlight directly into ______________ energy?

A. Thermal
B. Electrical
C. Mechanical
D. Chemical

Read More A solar cell converts the sunlight directly into ______________ energy?
Chemical Engineering Basics

Titanium is added to molten aluminium alloys before casting for the purpose of_____________________?

Titanium is added to molten aluminium alloys before casting for the purpose of_____________________?

A. Grain refinement
B. Increasing corrosion resistance
C. Reducing porosity
D. Improving fluidity

Read More Titanium is added to molten aluminium alloys before casting for the purpose of_____________________?
CHEMICAL ENGINEERING | Chemical Engineering Basics

Magnesium addition to cast iron increases its

Question: Magnesium addition to cast iron increases its
[A].

corrosion resistance.
[B].
creep strength.
[C].
ductility and strength in tension.
[D].
hardness.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Magnesium addition to cast iron increases its
CHEMICAL ENGINEERING | Chemical Engineering Basics

Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is

Question: Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is
[A].

10 atm-1
[B].
105 atm-1
[C].
10 (dimensionless)
[D].
105 (dimensionless)

Answer: Option B

Explanation:

No answer description available for this question.

Read More Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is
Chemical Engineering Basics

______________ the exhaust gas is an indication of the incomplete combustion of fuel?

______________ the exhaust gas is an indication of the incomplete combustion of fuel?

A. Low temperature of
B. High temperature of
C. High % of CO in
D. High % of CO2 in

Read More ______________ the exhaust gas is an indication of the incomplete combustion of fuel?
Chemical Engineering Basics

A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?

A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?

A. Aqueous tension
B. Saturated humidity
C. Vapor pressure
D. Absolute humidity

Read More A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?

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