A disadvantage of the gas turbine is?

A disadvantage of the gas turbine is?

a. High cost
b. High maintenance
c. Requires a lot of cooling water
d. Low thermal Efficiency






Answer: D

Approximately __ of the power produced by a gas turbine is used to drive the turbine compressor.

Approximately __ of the power produced by a gas turbine is used to drive the turbine compressor.

a. 1/4
b. 2/4
c. 2/3
d. 1/3
e. 3/4





Answer: C

The hot air from the gas turbine combustor is expanded through the:

The hot air from the gas turbine combustor is expanded through the:

a. The compressor
b. A reciprocating piston chamber
c. The turbine blading
d. The intercooler




Answer: C

In a simple gas turbine, air is first drawn into the compressor and compressed. It is then discharged from the compressor to the:

In a simple gas turbine, air is first drawn into the compressor and compressed. It is then discharged from the compressor to the:

a. Combustor
b. Turbine
c. Reciprocating piston
d. Heat recovery steam generator





Answer: A

Some of the characteristics which make the gas turbine a better choice over other prime movers are: 1. low maintenance 2. minimum cooling water 3. high thermal efficiency 4. rapid start-up and loading

Some of the characteristics which make the gas turbine a better choice over other prime movers are:
1. low maintenance
2. minimum cooling water
3. high thermal efficiency
4. rapid start-up and loading

a) 1, 2, 3, 4
b) 1, 2, 3
c) 1, 2, 4
d) 1, 3, 4
e) 2, 3, 4





Answer: C

The temperature to which the air can be raised at the turbine inlet is

The temperature to which the air can be raised at the turbine inlet is

a) an indication of a unit's power
b) directly related to the unit's size
c) a function of the air compressor input
d) an indication of the unit's efficiency
e) important for proper compressor performance





Answer: D