Chapter 2

Question 1

The once through steam generator is the type most commonly used in:
A) Coal bed methane extraction
B) Produced water treating
C) Steam flooding of oil wells
D) Building heating

Answer 1

C

Question 2

The once through steam generator has a max working pressure of:

A) 10,000Kpa
B) 20,000KPa
C) 15,000KPa
D) 25000Kpa

Answer 2

B

Question 3

In a once through steam generator the treated water first passes through the __________ before going to steam generator.

A) Economizer
B) Aerator
C) Blowdown Drum
D) Deaerator

Answer 3

D

Question 4

In a once through steam generator the water in the economizer is heated by:
A) Heat exchange in the radiant section of the furnace
B) Heat exchange with hot water from the water knock drum
C) Heat exchange with the flue gases
D) Heat exchange with the produced steam

Answer 4

C

Question 5

One advantage of the fluid bed Combustion over the other predominant methods of combustion is:

A) Reduction in SO2 emissions
B) Reduction in flue gasses
C) Reduction in boiler size
D) Reduction in in startup time

Answer 5

C

Question 6

Two different types of fluidized bed boilers are:

A) Bubbling and circulating fluidized beds
B) Closed and lime fluidized beds
C) Floating and layered fluidized beds
D) Stacked and open fluidized beds

Answer 6

A

Question 7

In fluidized bed boilers combustion temperatures range between:

A) 800 to 900 oC
B) 700 to 800 oC
C) 1000 to 1100 °C
D) 900 to 1000 oC

Answer 7

A

Question 8

A simple combined power generation unit consists of a (an):

A) Gas turbine followed by an electrical generator
B) Gas turbine followed by a heat recovery steam generator
C) Heat recovery steam generator followed by a gas turbine
D) Heat recovery steam generator followed by an electrical generator

Answer 8

B

Question 9

The auxiliary burners on a heat recovery steam generator (HRSG) are used to:

A) Control the steam pressure into the HRSG
B) Control the pressure in the furnace economizer
C) Control the temperature of hot gasses into the HRSG
D) Control process steam pressure/temperature requirements

Answer 9

D

Question 10

An alternative name given to a recovery boiler used in pulp mills is the:

A) Blue liquor boiler
B) White liquor boiler
C) Green liquor boiler
D) Black liquor boiler

Answer 10

D