Energy Engineering Mock Test 4

10%

Question 1 of 10

1. When is artificial draught preferred?

When we choose large power plant systems

When draught produced by chimney is not sufficient

When there are many components inside the boiler

When quick evacuation of flue gases is required

Question 1 of 10

Question 2 of 10

2. How many circuits are there in the Schmidt-Hartmann boiler?

Question 2 of 10

Question 3 of 10

3. Which is the equation used to find chimney diameter?

D = 5.48\(\sqrt{\frac{Mg}{ρg V}}\)

D = 1.128\(\sqrt{\frac{Mg}{ρg V}}\)

D = 5.48\(\sqrt{\frac{ρg V}{Mg}}\)

D = 1.128\(\sqrt{\frac{ρg V}{Mg}}\)

Question 3 of 10

Question 4 of 10

4. What is TDI stands for in the Thermal pollution field?

Turbocharger direct injection

Thermal discharge index

Thermal energy discharge integration

Toluene Diisocyanate

Question 4 of 10

Question 5 of 10

5. In what is water in high pressure boiler circulated through?

Cove

Channel

Tubes

Conduits

Question 5 of 10

Question 6 of 10

6. The _________ may have water circulation either by natural means due to difference in density or by external means.

Piping

Furnace

Tubes

Boiler

Question 6 of 10

Question 7 of 10

7. What type of boiler is a Velox boiler?

Once- through boiler

Positively forced circulation boiler

Natural circulation boiler

Forced circulation boiler

Question 7 of 10

Question 8 of 10

8. What is the main disadvantage of Lamont boiler?

Low heat transfer rate

Low steam generation capacity

Formation of bubbles

Less flexible in design

Question 8 of 10

Question 9 of 10

9. Chances of sediments depositing inside the water tubes in the shell is less due to?

Low working pressure

High working pressure

Partial circulation of water

Natural circulation of water

Question 9 of 10

Question 10 of 10

10. What is the pressure range between which Lamont boilers operates?

450-560bar

180-360bar

120-160bar

80-120bar

Question 10 of 10