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Chemical Engineering Basics

Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.

Question: Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.
[A].

volume

[B].

pressure

[C].

heat

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

The pH value is the measure of hydrogen ion concentration in a solution. The term pH stands for the __________ in the solution.

Question: The pH value is the measure of hydrogen ion concentration in a solution. The term pH stands for the __________ in the solution.
[A].
power of hydrogen ion concentration
[B].

percentage of hydrogen ions
[C].

presence of hydrogen ions
[D].

none of these 

Answer: Option A

Explanation:

No answer description available for this question.

The pH value is the measure of hydrogen ion concentration in a solution. The term pH stands for the __________ in the solution. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its________________?

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its________________?

A. Lower cost
B. Abundant availability
C. Resistance to vegetable acids as the tin plate are commercially used in ‘canning’ industry
D. None of these

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its________________? Read More »

Chemical Engineering Basics

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?

A. Parallel flow with equal heat capacities
B. Counter flow with equal heat capacities
C. Counter flow with unequal heat capacities
D. Parallel flow with unequal heat capacities

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________? Read More »

Chemical Engineering Basics

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is ________________ mm?

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is ________________ mm?

A. 15
B. 25
C. 10
D. 30

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is ________________ mm? Read More »

Chemical Engineering Basics