Explore topic-wise MCQs in Energy Engineering.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What is minimum amount of air required per m3 of gaseous fuel for complete combustion?

A. 1/21 [(H<sub>2</sub>/2) + (CO/2) + 2CH<sub>4</sub> + 3C<sub>2</sub>H<sub>4</sub>] m<sup>3</sup>/m<sup>3</sup> of fuel
B. 1/100 [(H<sub>2</sub>/2) + (CO/2) + 2CH<sub>4</sub> + 3C<sub>2</sub>H<sub>4</sub>] m<sup>3</sup>/m<sup>3</sup> of fuel
C. 1/21 [(H<sub>2</sub>/2) + (CO/2) + 3C<sub>2</sub>H<sub>4</sub>] m<sup>3</sup>/m<sup>3</sup> of fuel
D. 1/100 [(H<sub>2</sub>/2) + (CO/2) + 3C<sub>2</sub>H<sub>4</sub>] m<sup>3</sup>/m<sup>3</sup> of fuel
Answer» B. 1/100 [(H<sub>2</sub>/2) + (CO/2) + 2CH<sub>4</sub> + 3C<sub>2</sub>H<sub>4</sub>] m<sup>3</sup>/m<sup>3</sup> of fuel
Discussion
2.

What is amount of minimum air required per kg of liquid fuel for complete combustion using carbon, oxygen, hydrogen and sulfur?

A. 1/23 [8/3 C + 8(H (O/8)) + S]
B. 1/100 [8/3 C + 8(H (O/8)) + S]
C. 1/100 [8/3 C + 8(H (0/8))]
D. 1/23 [8/3 C + 8(H (0/8))]
Answer» B. 1/100 [8/3 C + 8(H (O/8)) + S]
Discussion
3.

Which is the common method to relate higher calorific value to lower calorific value?

A. HCV = LCV + H<sub>V</sub> (n<sub>H<sub>2</sub>O, out</sub> / n<sub>fuel, in</sub>)
B. LCV = HCV + H<sub>V</sub> (n<sub>H<sub>2</sub>O, out</sub> / n<sub>fuel, in</sub>)
C. HCV = LCV + H<sub>V</sub> (n<sub>fuel, in</sub>/ n<sub>H<sub>2</sub>O, out</sub>)
D. LCV = HCV + H<sub>V</sub> (n<sub>fuel, in</sub>/ n<sub>H<sub>2</sub>O, out</sub>)
Answer» B. LCV = HCV + H<sub>V</sub> (n<sub>H<sub>2</sub>O, out</sub> / n<sub>fuel, in</sub>)
Discussion