Introduction to Energy Balances MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Introduction to Energy Balances, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Introduction to Energy Balances MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Introduction to Energy Balances mcq questions that explore various aspects of Introduction to Energy Balances problems. Each MCQ is crafted to challenge your understanding of Introduction to Energy Balances principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Introduction to Energy Balances MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

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Introduction to Energy Balances MCQs | Page 7 of 37

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Q61.
If Cp of water is (23 + T) J/°C, what is the enthalpy change of water from 3°C to 5°C?

a.

54 J

b.

96 J

c.

140 J

d.

196 J

Discuss
Answer: (a).54 J
Q62.
If Cp of water is 45T J/°C, what is the enthalpy change of water from 6°C to 8°C?

a.

7 J

b.

14 J

c.

28 J

d.

56 J

Discuss
Answer: (b).14 J
Q63.
Cp of ice is 25 J/°C and that of water is 30 J/°C, what is the enthalpy change of water from – 10°C to 35°C at standard conditions, if the later heat of fusion of water is 110 J?

a.

250 J

b.

595 J

c.

960 J

d.

1410 J

Discuss
Answer: (d).1410 J
Q64.
Cp of ice is 10 J/°C and that of water is 15 J/°C, what is the enthalpy change of water from – 15°C to 0°C at standard conditions, if the later heat of fusion of water is 110 J?

a.

150 J

b.

315 J

c.

485 J

d.

560 J

Discuss
Answer: (c).485 J
Q65.
Cp of water is 10 J/°C and that of steam is 15 J/°C, what is the enthalpy change of water from 75°C to 110°C at standard conditions, if the later heat of vaporization of water is 245 J?

a.

395 J

b.

645 J

c.

840 J

d.

999 J

Discuss
Answer: (b).645 J
Q66.
Water having CP = 10 J/°C, is heated from 10°C to 50°C, what is the enthalpy change?

a.

100 J

b.

250 J

c.

400 J

d.

500 J

Discuss
Answer: (c).400 J
Q67.
Liquid benzene having CP = 29 J/°C, is heated from 5°C to 10°C, what is the enthalpy change?

a.

29 J

b.

145 J

c.

195 J

d.

290 J

Discuss
Answer: (b).145 J
Q68.
Ice having CP = 15 J/°C, is heated from -10°C to -4°C, what is the enthalpy change?

a.

30 J

b.

60 J

c.

90 J

d.

120 J

Discuss
Answer: (c).90 J
Q69.
Steam having CP = 105 J/°C, is heated from 100°C to 104°C, what is the enthalpy change?

a.

210 J

b.

420 J

c.

630 J

d.

840 J

Discuss
Answer: (b).420 J
Q70.
Cyclohexane having CP = 48 J/°C, is heated from 50°C to 55°C, what is the enthalpy change?

a.

240 J

b.

480 J

c.

720 J

d.

960 J

Discuss
Answer: (a).240 J
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