LOW PRESSSURE BOILERS FINAL EXAM
QUESTIONS WITH CORRECT ANSWERS
4 MAIN BOILER SYSTEMS - CORRECT ANSWER✔✔-FUEL, DRAFT, FEEDWATER
| | | | | | | |
,STEAM
|
DRAFTS TYPES - CORRECT ANSWER✔✔-NATURAL ,MECHANICAL( INDUCED,
| | | | | | |
FORCED)
Water Hammer - CORRECT ANSWER✔✔-A condition where a hammering or
| | | | | | | | | |
banging sound is created in steam lines when water is carried along in lines and
| | | | | | | | | | | | | | |
hits elbows, valves, and other obstructions.53
| | | | |
Try Cocks - CORRECT ANSWER✔✔-Valves located on the water column used to
| | | | | | | | | | | |
determine the water level if the gauge glass is not functional.47
| | | | | | | | | |
blowdown - CORRECT ANSWER✔✔-The process of evacuating water and
| | | | | | | | |
undesirable accumulated material.49 DONE ON LOW AND LIGHT FIRE
| | | | | | | |
BOILER VENT - CORRECT ANSWER✔✔-A boiler fitting used to vent air from inside
| | | | | | | | | | | | |
the boiler.60
|
CARRY OVER - CORRECT ANSWER✔✔-A condition that occurs when small
| | | | | | | | | |
particles of boiler water are carried over into steam lines.53
| | | | | | | | |
, Priming - CORRECT ANSWER✔✔-Slugs of boiler water carried into steam lines.53
| | | | | | | | | |
Types of AIR - CORRECT ANSWER✔✔-PRIMARY,SECONDARY,EXCESS,INCOMPLETE,
| | | | |
THEORETICAL pg 15 | |
Types of combustion - CORRECT ANSWER✔✔-PERFECT,COMPLETE,INCOMPLETE
| | | | | |
Spontaneous pg 15 | |
British Thermal Unit (BTU) - CORRECT ANSWER✔✔-Amount of heat energy
| | | | | | | | | |
required to raise the temperature of 1 lb of water 1 degree Fahrenheit.126
| | | | | | | | | | | |
Combination burner - CORRECT ANSWER✔✔-A fuel system that can use natural
| | | | | | | | | | |
gas or fuel oil.140
| | |
GAS VALVE TRAIN - CORRECT ANSWER✔✔-
| | | | |
TYPES OF WATER - CORRECT ANSWER✔✔-
| | | | |
Chilled Water System - CORRECT ANSWER✔✔-is a cooling system in which water
| | | | | | | | | | | |
or other liquid is chilled and circulated to the building space
| | | | | | | | | |
Condenser - CORRECT ANSWER✔✔-A heat exchanger that removes heat from a
| | | | | | | | | | |
high pressure refrigerant
| |
QUESTIONS WITH CORRECT ANSWERS
4 MAIN BOILER SYSTEMS - CORRECT ANSWER✔✔-FUEL, DRAFT, FEEDWATER
| | | | | | | |
,STEAM
|
DRAFTS TYPES - CORRECT ANSWER✔✔-NATURAL ,MECHANICAL( INDUCED,
| | | | | | |
FORCED)
Water Hammer - CORRECT ANSWER✔✔-A condition where a hammering or
| | | | | | | | | |
banging sound is created in steam lines when water is carried along in lines and
| | | | | | | | | | | | | | |
hits elbows, valves, and other obstructions.53
| | | | |
Try Cocks - CORRECT ANSWER✔✔-Valves located on the water column used to
| | | | | | | | | | | |
determine the water level if the gauge glass is not functional.47
| | | | | | | | | |
blowdown - CORRECT ANSWER✔✔-The process of evacuating water and
| | | | | | | | |
undesirable accumulated material.49 DONE ON LOW AND LIGHT FIRE
| | | | | | | |
BOILER VENT - CORRECT ANSWER✔✔-A boiler fitting used to vent air from inside
| | | | | | | | | | | | |
the boiler.60
|
CARRY OVER - CORRECT ANSWER✔✔-A condition that occurs when small
| | | | | | | | | |
particles of boiler water are carried over into steam lines.53
| | | | | | | | |
, Priming - CORRECT ANSWER✔✔-Slugs of boiler water carried into steam lines.53
| | | | | | | | | |
Types of AIR - CORRECT ANSWER✔✔-PRIMARY,SECONDARY,EXCESS,INCOMPLETE,
| | | | |
THEORETICAL pg 15 | |
Types of combustion - CORRECT ANSWER✔✔-PERFECT,COMPLETE,INCOMPLETE
| | | | | |
Spontaneous pg 15 | |
British Thermal Unit (BTU) - CORRECT ANSWER✔✔-Amount of heat energy
| | | | | | | | | |
required to raise the temperature of 1 lb of water 1 degree Fahrenheit.126
| | | | | | | | | | | |
Combination burner - CORRECT ANSWER✔✔-A fuel system that can use natural
| | | | | | | | | | |
gas or fuel oil.140
| | |
GAS VALVE TRAIN - CORRECT ANSWER✔✔-
| | | | |
TYPES OF WATER - CORRECT ANSWER✔✔-
| | | | |
Chilled Water System - CORRECT ANSWER✔✔-is a cooling system in which water
| | | | | | | | | | | |
or other liquid is chilled and circulated to the building space
| | | | | | | | | |
Condenser - CORRECT ANSWER✔✔-A heat exchanger that removes heat from a
| | | | | | | | | | |
high pressure refrigerant
| |
