G1ST CLASS STATIONARY ENGINEERS
EXAMINATION #2 (FALSE QUESTIONS
OMITTED)
All Boilers should be viewed as - Dangerous regardless of size and pressure
One cubic inch of hot water under pressure expands to - almost one cubic foot of steam at atmospheric
pressure
Primary air is usually... - Blown into the combustion chamber, along with the fuel on a gas or oil burner.
Heat always flows from ____ to ____ - hot to cold
An accumulation test is used to determine - the relieving capacity of a safety valve
Staging is a method used to - increase the pressure of a gas or liquid in step rather than all at once.
All vacuum return heating systems require - traps
Boiler water can be conditioned by - heating addition of chemicals and by blow down
Water which contains scale-forming impurities is termed - hard water
33,478 BTUs equal - One boiler horsepower
One purpose of automatic control is to insure - the safe operation of a system
, Is it possible to find all three types of heat transfer working at the same time? - Yes
A vapor can best be defined as a - physical state between a liquid and a gas
a firetube contains - the products of combustion
a pigtail is used on a steam gauge connection to - prevent damage to the gauge
a convection type superheater - absorbs its heat from the hot gases of combustion
All residential air conditioners use - Freon
A hydrostatic test is a test for - the tightness of boiler drums and tubes
One of the most important aspects of a boiler plant is the - Boiler supply
One BTU will raise the temperature of one pound of water by - one degree fahrenheit
Steam and water can be found - at the same temperature in a boiler
Superheated steam is always - Dry
at sea level, water boils at - 212 Degrees F
Larger pipe sizes are found on - One pipe systems
the explosion hazard in a oil-fired boiler is usually greatest when - Lighting off
EXAMINATION #2 (FALSE QUESTIONS
OMITTED)
All Boilers should be viewed as - Dangerous regardless of size and pressure
One cubic inch of hot water under pressure expands to - almost one cubic foot of steam at atmospheric
pressure
Primary air is usually... - Blown into the combustion chamber, along with the fuel on a gas or oil burner.
Heat always flows from ____ to ____ - hot to cold
An accumulation test is used to determine - the relieving capacity of a safety valve
Staging is a method used to - increase the pressure of a gas or liquid in step rather than all at once.
All vacuum return heating systems require - traps
Boiler water can be conditioned by - heating addition of chemicals and by blow down
Water which contains scale-forming impurities is termed - hard water
33,478 BTUs equal - One boiler horsepower
One purpose of automatic control is to insure - the safe operation of a system
, Is it possible to find all three types of heat transfer working at the same time? - Yes
A vapor can best be defined as a - physical state between a liquid and a gas
a firetube contains - the products of combustion
a pigtail is used on a steam gauge connection to - prevent damage to the gauge
a convection type superheater - absorbs its heat from the hot gases of combustion
All residential air conditioners use - Freon
A hydrostatic test is a test for - the tightness of boiler drums and tubes
One of the most important aspects of a boiler plant is the - Boiler supply
One BTU will raise the temperature of one pound of water by - one degree fahrenheit
Steam and water can be found - at the same temperature in a boiler
Superheated steam is always - Dry
at sea level, water boils at - 212 Degrees F
Larger pipe sizes are found on - One pipe systems
the explosion hazard in a oil-fired boiler is usually greatest when - Lighting off
