Power Engineering 4th Class B Chpt.
84-109 Actual Exam Questions
Complete With Correct Answers
\Q\.The major disadvantage of an electric resistance coil furnace for warm air heating is the: -
ANSWERS✔-danger from electric shock
\Q\.Heat exchangers in gas fired furnaces are made of: - ANSWERS✔-steel
\Q\.Regarding fire tub boilers HRT stands for: - ANSWERS✔-horizontal return tubular
\Q\.All supply and drain line of a steam heating system must be pitched to: - ANSWERS✔-allow
for drainage of condensate
\Q\.Cast iron sectional boiler sections are held together with: - ANSWERS✔-push nipples and tie
rods
\Q\.Air can be removed from the steam heating systems by: - ANSWERS✔-air vents
\Q\.The main component of any computer is the: - ANSWERS✔-central processing unit
\Q\.A membrane water wall: - ANSWERS✔-has metal connecting the tubes
\Q\.A hot water boiler of the same output is: - ANSWERS✔-a smaller steam boiler
, \Q\.Cast iron boiler sections maximize heat transfer by: - ANSWERS✔-exposing as large a
surface as possible to the hot gases
\Q\.An air atomizing burner utilizes an air pressure or approximately: - ANSWERS✔-100 kPa
\Q\.To which of the following oil burners is the oil supplied under high pressure? - ANSWERS✔-
mechanical atomizing burner
\Q\.Diaphragm gas valves use __________ to open the valve. - ANSWERS✔-gas pressure
\Q\.Computer information can be stored on a:
1. DVD
2. CD
3. hard drive
4. CPU - ANSWERS✔-1, 2, 3
\Q\.Lowboy furnaces are just over: - ANSWERS✔-1.2 m in height
\Q\.When a float is used for measuring level, and installation within a vessel is impractical, a
devise often used is the: - ANSWERS✔-float cage
\Q\.What is another name for a hot water heating system? - ANSWERS✔-a hydronic heating
system
\Q\.In a basic pneumatic transmitter, movement of the flapper towards the nozzle will: -
ANSWERS✔-increase feedback bellows pressure
84-109 Actual Exam Questions
Complete With Correct Answers
\Q\.The major disadvantage of an electric resistance coil furnace for warm air heating is the: -
ANSWERS✔-danger from electric shock
\Q\.Heat exchangers in gas fired furnaces are made of: - ANSWERS✔-steel
\Q\.Regarding fire tub boilers HRT stands for: - ANSWERS✔-horizontal return tubular
\Q\.All supply and drain line of a steam heating system must be pitched to: - ANSWERS✔-allow
for drainage of condensate
\Q\.Cast iron sectional boiler sections are held together with: - ANSWERS✔-push nipples and tie
rods
\Q\.Air can be removed from the steam heating systems by: - ANSWERS✔-air vents
\Q\.The main component of any computer is the: - ANSWERS✔-central processing unit
\Q\.A membrane water wall: - ANSWERS✔-has metal connecting the tubes
\Q\.A hot water boiler of the same output is: - ANSWERS✔-a smaller steam boiler
, \Q\.Cast iron boiler sections maximize heat transfer by: - ANSWERS✔-exposing as large a
surface as possible to the hot gases
\Q\.An air atomizing burner utilizes an air pressure or approximately: - ANSWERS✔-100 kPa
\Q\.To which of the following oil burners is the oil supplied under high pressure? - ANSWERS✔-
mechanical atomizing burner
\Q\.Diaphragm gas valves use __________ to open the valve. - ANSWERS✔-gas pressure
\Q\.Computer information can be stored on a:
1. DVD
2. CD
3. hard drive
4. CPU - ANSWERS✔-1, 2, 3
\Q\.Lowboy furnaces are just over: - ANSWERS✔-1.2 m in height
\Q\.When a float is used for measuring level, and installation within a vessel is impractical, a
devise often used is the: - ANSWERS✔-float cage
\Q\.What is another name for a hot water heating system? - ANSWERS✔-a hydronic heating
system
\Q\.In a basic pneumatic transmitter, movement of the flapper towards the nozzle will: -
ANSWERS✔-increase feedback bellows pressure
