Steam Turbines Test Year 4

Question 1

A steam turbine having a very high temperature difference from inlet to outlet would indicate that the system is

Answer 1

D. Operating Efficiently

Question 2

The reaction type blading works on the principles of velocity and pressure. Where a velocity increase is obtained with

Answer 2

D. Pressure decrease

Question 3

The assembly connected to the steam chest which converts pressure energy to velocity is called a

Answer 3

B. Nozzle Ring

Question 4

The operation of keeping large turbines turning slowly during shutdown is carried out to

Answer 4

A. Prevent distortion, called barring

Question 5

Where extraction valves are used in some turbine applications closing the extraction valve results in

Answer 5

C. Increased power output of the turbine

Question 6

The steam turbine systems require considerable support equipment, with the obvious requirements of a boiler. Another item considered to be a major component is

Answer 6

D. The boiler feed pump

Question 7

Kingsbury bearings are often installed in turbines. This bearing design controls which load force?

Answer 7

Axial