Explore topic-wise MCQs in Chemical Engineering.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the final enthalpy of the solution made by mixing 5 grams of solution A having enthalpy 20 J with 15 grams of solution B having enthalpy 40 J?

A. t10 J
B. t20 J
C. t25 J
D. t35 J
Answer» E.
2.

What is the final enthalpy of the solution made by mixing 20 grams of solution A having enthalpy 5 J with 5 grams of solution B having enthalpy 10 J?

A. t2 J
B. t4 J
C. t6 J
D. t7 J
Answer» D. t7 J
3.

What is the final enthalpy of the solution made by mixing 10 grams of solution A having enthalpy 10 J with 40 grams of solution B having enthalpy 30 J?

A. t14 J
B. t18 J
C. t22 J
D. t26 J
Answer» E.
4.

What is the final enthalpy of the solution made by mixing 100 grams of 10% NaOH having enthalpy 40 J with 300 grams of 90% NaOH having enthalpy 20 J?

A. t10 J
B. t15 J
C. t25 J
D. t40 J
Answer» D. t40 J
5.

Enthalpy-Concentration diagram represents which type of solution?

A. tBinary
B. tTertiary
C. tQuaternary
D. tNone of the mentioned
Answer» B. tTertiary
6.

What is the heat transferred from 2 mole of the system if the output sensible heat is 3 J/mole, input sensible heat is 2 J/mole, and heat of solution is 2 J/mole?

A. t2 J
B. t3 J
C. t5 J
D. t6 J
Answer» E.
7.

What is the heat transferred from 5 mole of the system if the output sensible heat is 1 J/mole, input sensible heat is 3 J/mole, and heat of solution is 4 J/mole?

A. t0
B. t5 J
C. t10 J
D. t20 J
Answer» D. t20 J
8.

What is the heat transferred from the system if the output sensible heat is 5 J, input sensible heat is 20 J, and heat of solution is 10 J?

A. t-10 J
B. t-5 J
C. t0
D. t10 J
Answer» C. t0
9.

What is the heat transferred from the system if the output sensible heat is 5 J, input sensible heat is 25 J, and heat of solution is 20 J?

A. t0
B. t5 J
C. t10 J
D. t15 J
Answer» B. t5 J
10.

What is the heat transferred from the system if the output sensible heat is 10 J, input sensible heat is 15 J, and heat of solution is 20 J?

A. t10 J
B. t15 J
C. t20 J
D. t25 J
Answer» C. t20 J
11.

What is the heat of dissolution if the heat of reaction is 10 J in the energy balance?

A. t-10 J
B. t10 J
C. t0
D. tCannot be determined
Answer» B. t10 J
12.

Which of the following is required for the calculation of heat of reaction in the energy balance?

A. tHeat of solution at reference state
B. tHeat of dissolution at reference state
C. tHeat of formation
D. tAll of the mentioned
Answer» E.
13.

How is the graph of the heat of solution and dilution?

A. tStraight Line
B. tCurve with finite heat of solution at infinite dilution
C. tCurve with Infinite heat of solution at infinite dilution
D. tNone of the mentioned
Answer» C. tCurve with Infinite heat of solution at infinite dilution
14.

What is required in the calculation of heat of reaction in the energy balance of mixing?

A. tHeat of formation
B. tSensible Heat
C. tLatent heat
D. tAll of the mentioned
Answer» B. tSensible Heat
15.

What is the heat of solution in the energy balance?

A. tHeat of dissolution
B. tHeat of reaction
C. tHeat of formation
D. tNone of the mentioned
Answer» C. tHeat of formation