Explore topic-wise MCQs in Chemical Engineering.

This section includes 9 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 of ice is 10 J/oC and that of water is 15 J/oC, what is the enthalpy change of water from 15oC to 0oC at standard conditions, if the later heat of fusion of water is 110 J?

A. t150 J
B. t315 J
C. t485 J
D. t560 J
Answer» D. t560 J
2.

Cp of ice is 25 J/oC and that of water is 30 J/oC, what is the enthalpy change of water from 10oC to 35oC at standard conditions, if the later heat of fusion of water is 110 J?

A. t250 J
B. t595 J
C. t960 J
D. t1410 J
Answer» E.
3.

If Cp of water is 45T J/oC, what is the enthalpy change of water from 6oC to 8oC?

A. t7 J
B. t14 J
C. t28 J
D. t56 J
Answer» C. t28 J
4.

If Cp of water is (23 + T) J/oC, what is the enthalpy change of water from 3oC to 5oC?

A. t54 J
B. t96 J
C. t140 J
D. t196 J
Answer» B. t96 J
5.

If Cp of steam is 105 J/oC, what is the enthalpy change of steam from 106oC to 118oC?

A. t420 J
B. t640 J
C. t890 J
D. t1260 J
Answer» E.
6.

If Cp of solid benzene is 10 J/oC, what is the enthalpy change of water from 5oC to 75oC?

A. t5 J
B. t10 J
C. t75 J
D. t700 J
Answer» E.
7.

If Cp of liquid water is 10 J/oC, what is the enthalpy change of water at standard conditions from 10oC to 0oC?

A. t10 J
B. t50 J
C. t100 J
D. tCannot be determined
Answer» E.
8.

Heat of fusion of benzene is 10 J at 0oC, if Cp of solid benzene is 10 J/oC, and that of liquid benzene is 5 J/oC what is the enthalpy change of benzene from 10oC to 10oC?

A. t160 J
B. t200 J
C. t240 J
D. t300 J
Answer» B. t200 J
9.

5 J is the latent heat for melting of ice, what is the heat of transition from 0oC ice to 15oC water if heat of transition from 0oC water to 15oC water is 12 J?

A. t5 J
B. t12 J
C. t15 J
D. t17 J
Answer» E.