Condenser & Gas Turbine Quiz

Home

Condenser & Gas Turbine — Quiz (Your Questions)

14 MCQs + 10 short-answer prompts. Use the questions you provided.

1. A condenser condenses the steam coming out from___________.

A. Boiler B. Turbine C. Economiser D. Super heater

2. Gas turbine power plant is.......efficient than steam turbine plant

A. More B. Less C. Same D. None of the above

3. A condenser where circulating water flows through tubes which are surrounded by steam,is known as.........

A. Surface condenser B. Jet condenser C. Barometric condenser D. Evaporative condenser

4. Gas turbine follows the ___________ cycle

A. Brayton B. Rankine C. Carnot D. none of these

5. The commonly used material of pipes in condensers is.......

A. Mild steel B. Stainless steel C. Cast iron D. Admiralty brass

6. Efficiency of gas turbine is increased by

A. reheating B. inter cooling C. adding a regenerator D. all of the above

7. The maximum temperature in a gas turbine is

A.200°C B.500°C C.700°C D.1000°C

8. The function of a condenser in a thermal power plant is.......

A. To act as reservior to receive steam for turbine B. To condense steam into condensate to be reused again C. To create vaccum D. All of the above

9. The cooling system used for big power plants:

(A) spray pond (B) hyperbolic cooling tower (C) mechanical draught cooling tower (D) natural draught cooling

10. In Gas Turbines, Turbine is used to convert _________

A. Kinetic energy to Rotational energy B) Potential energy of the gases to Rotational energy C) Heat energy of the gases to Rotational energy D) None of the mentioned

11. _______ can be used as fuels in gas turbines.

A. Natural gases B) petroleum C) Diesel D) All of the mentioned

12. Fuels used in gas turbines should have _____ ash content.

A. low B) high C) zero D) none of the mentioned

13. The major field(s) of application of gas turbine is

A.Aviation B) Oil and gas industry C)Marine propulsion D) All of the above

14. A condenser where circulating water flows through tubes which are surrounded by steam,is known as.........

A. Surface condenser B. Jet condenser C. Barometric condenser D. Evaporative condenser

---

Short answer / Fill-in (10)

SA1. The actual vaccum in a condenser is equal to___________________.

SA2. Cooling of Gas Turbine Blades done by _____________________.

SA3. The vaccum obtainable in a condenser is dependent upon___________________.

SA4. A condenser is a device or unit used to condense a ____________into _____________.

SA5. In a gas turbine, high thermal efficiency is obtained in _____________________ cycle .

SA6. In the ___________________ heat transfer takes place between the exhaust gases and cool air.

SA7. Reheating in a gas turbine increases ______________________.

SA8. Gas turbine engines have ________________ vibrations when compared to reciprocating engines.

SA9. High operating speeds are obtained in __________________ turbines

SA10. The thermal efficiency of an ideal gas turbine plant is given by ___________________.

(You may write formula: e.g. 1 - 1/(rp)^((γ-1)/γ) )