Explore topic-wise MCQs in Chemical Engineering.

This section includes 30 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.

CP-T curve of H2 forms a rectangle of height 20 J/oC from 4oC to 5oC?

A. 20 J
B. 80 J
C. 100 J
D. 140 JView answer
Answer» D. 140 JView answer
2.

CP-T curve of CO2 forms a rectangle of height 10 J/oC from 5oC to 10oC?

A. 10 J
B. 50 J
C. 100 J
D. 250 JView answer
Answer» C. 100 J
3.

CP-T curve covers 10 J from 2oC to 10oC, what is the enthalpy change?

A. 10 J
B. 20 J
C. 80 J
D. 100 JView answer
Answer» B. 20 J
4.

Heat Capacity of water is given by 4 + T2, what is the enthalpy change from 0oC to 3oC?

A. 7 J
B. 14 J
C. 21 J
D. 32 JView answer
Answer» D. 32 JView answer
5.

Heat Capacity of CO2 is given by 12 + 3T + T2, what is the enthalpy change from 0oC to 6oC?

A. 169 J
B. 198 J
C. 244 J
D. 360 JView answer
Answer» C. 244 J
6.

A mixture contains 20% SO2 with CP= 35 J/oC, 30% NO3 with CP = 20 J/oC and 50% CO2 with CP = 40 J/oC, what is the average CP of mixture?

A. 12 J/oC
B. 17 J/oC
C. 25 J/oC
D. 33 J/oCView answer
Answer» E.
7.

A mixture contains 20% O2 with CP = 10 J/oC, 30% N2 with CP = 20 J/oC and 50% CO2 with CP= 40 J/oC, what is the average CP of mixture?

A. 20 J/oC
B. 28 J/oC
C. 34 J/oC
D. 42 J/oCView answer
Answer» C. 34 J/oC
8.

A mixture contains 30% Ar with CP = 30 J/oC, 30% N2 with CP = 20 J/oC and 40% CH4 with CP = 10 J/oC, what is the average CP of mixture?

A. 7 J/oC
B. 12 J/oC
C. 19 J/oC
D. 26 J/oCView answer
Answer» D. 26 J/oCView answer
9.

A mixture contains 20% O2 with CP = 15 J/oC and 80% CO2 with CP = 20 J/oC, what is the average CP of mixture?

A. 3 J/oC
B. 9 J/oC
C. 16 J/oC
D. 19 J/oCView answer
Answer» E.
10.

What is the value of CP – CV for ideal gases?

A. 0
B. R/2
C. R
D. 2RView answer
Answer» D. 2RView answer
11.

Cyclohexane having CP = 48 J/oC, is heated from 50oC to 55oC, what is the enthalpy change?

A. 240 J
B. 480 J
C. 720 J
D. 960 JView answer
Answer» B. 480 J
12.

Steam having CP = 105 J/oC, is heated from 100oC to 104oC, what is the enthalpy change?

A. 210 J
B. 420 J
C. 630 J
D. 840 JView answer
Answer» C. 630 J
13.

Ice having CP = 15 J/oC, is heated from -10oC to -4oC, what is the enthalpy change?

A. 30 J
B. 60 J
C. 90 J
D. 120 JView answer
Answer» D. 120 JView answer
14.

Liquid benzene having CP = 29 J/oC, is heated from 5oC to 10oC, what is the enthalpy change?

A. 29 J
B. 145 J
C. 195 J
D. 290 JView answer
Answer» C. 195 J
15.

Water having CP = 10 J/oC, is heated from 10oC to 50oC, what is the enthalpy change?

A. 100 J
B. 250 J
C. 400 J
D. 500 JView answer
Answer» D. 500 JView answer
16.

A_MIXTURE_CONTAINS_20%_SO2_WITH_CP=_35_J/OC,_30%_NO3_WITH_CP_=_20_J/OC_AND_50%_CO2_WITH_CP_=_40_J/OC,_WHAT_IS_THE_AVERAGE_CP_OF_MIXTURE??$

A. 12 J/<sup>o</sup>C
B. 17 J/<sup>o</sup>C
C. 25 J/<sup>o</sup>C
D. 33 J/<sup>o</sup>C
Answer» E.
17.

Heat Capacity of water is given by 4 + T2, what is the enthalpy change from 0oC to 3oC

A. 7 J
B. 14 J
C. 21 J
D. 32 J
Answer» D. 32 J
18.

Heat Capacity of CO2 is given by 12 + 3T + T2, what is the enthalpy change from 0oC to 6oC?$

A. 169 J
B. 198 J
C. 244 J
D. 360 J
Answer» C. 244 J
19.

CP-T curve of H2 forms a rectangle of height 20 J/oC from 4oC to 5oC?

A. 20 J
B. 80 J
C. 100 J
D. 140 J
Answer» D. 140 J
20.

CP-T curve of CO2 forms a rectangle of height 10 J/oC from 5oC to 10oC?

A. 10 J
B. 50 J
C. 100 J
D. 250 J
Answer» C. 100 J
21.

CP-T curve covers 10 J from 2oC to 10oC, what is the enthalpy change?

A. 10 J
B. 20 J
C. 80 J
D. 100 J
Answer» B. 20 J
22.

A mixture contains 20% O2 with CP = 10 J/oC, 30% N2 with CP = 20 J/oC and 50% CO2 with CP= 40 J/oC, what is the average CP of mixture?

A. 20 J/<sup>o</sup>C
B. 28 J/<sup>o</sup>C
C. 34 J/<sup>o</sup>C
D. 42 J/<sup>o</sup>C
Answer» C. 34 J/<sup>o</sup>C
23.

A mixture contains 30% Ar with CP = 30 J/oC, 30% N2 with CP = 20 J/oC and 40% CH4 with CP = 10 J/oC, what is the average CP of mixture?

A. 7 J/<sup>o</sup>C
B. 12 J/<sup>o</sup>C
C. 19 J/<sup>o</sup>C
D. 26 J/<sup>o</sup>C
Answer» D. 26 J/<sup>o</sup>C
24.

A mixture contains 20% O2 with CP = 15 J/oC and 80% CO2 with CP = 20 J/oC, what is the average CP of mixture?

A. 3 J/<sup>o</sup>C
B. 9 J/<sup>o</sup>C
C. 16 J/<sup>o</sup>C
D. 19 J/<sup>o</sup>C
Answer» E.
25.

What is the value of CP – CV for ideal gases?$

A. 0
B. R/2
C. R
D. 2R
Answer» D. 2R
26.

Cyclohexane having CP = 48 J/oC, is heated from 50oC to 55oC, what is the enthalpy change?

A. 240 J
B. 480 J
C. 720 J
D. 960 J
Answer» B. 480 J
27.

Steam having CP = 105 J/oC, is heated from 100oC to 104oC, what is the enthalpy change?

A. 210 J
B. 420 J
C. 630 J
D. 840 J
Answer» C. 630 J
28.

Ice having CP = 15 J/oC, is heated from -10oC to -4oC, what is the enthalpy change?

A. 30 J
B. 60 J
C. 90 J
D. 120 J
Answer» D. 120 J
29.

Liquid benzene having CP = 29 J/oC, is heated from 5oC to 10oC, what is the enthalpy change?

A. 29 J
B. 145 J
C. 195 J
D. 290 J
Answer» C. 195 J
30.

Water having CP = 10 J/oC, is heated from 10oC to 50oC, what is the enthalpy change?

A. 100 J
B. 250 J
C. 400 J
D. 500 J
Answer» D. 500 J