+
Cards In This Set
| Front | Back |
|
Fire-suppression systems require a source of emergency electrical power. T or F?
|
T
|
|
Sprinkler heads used in fire-suppression systems may be an upright type or a pendant type. T or F?
|
T
|
|
Preaction sprinkler systems have the sprinkler heads open and the pipes wet. T or F?
|
F
|
|
Foam fire-suppressant systems are used on fires such as gasoline in which water systems are ineffective. T or F?
|
T
|
|
Most metals, rubber, and plastics are adversely affected by Halon 1301. T or F?
|
F
|
|
Toilets (water closets) and exterior hose bibbs require potable water to function. T or F?
|
F
|
|
The ball valve is no longer used to shut off water to a building. T or F?
|
F
|
|
Clay pipe is impervious to acids and alkalines and does not deteriorate with age. T or F?
|
T
|
|
Potable and nonpotable water systems may be interconnected to conserve piping. T or F?
|
F
|
|
Lavatories in residences are typically mounted in a base cabinet. T or F?
|
T
|
|
Heat flows from a hot material to a cold material. T or F?
|
T
|
|
Wood is a major energy source for operating HVAC (heating, ventilation, and air-conditioning) systems. T or F?
|
F
|
|
Return air ducts are generally located on outside walls and under windows and outlet ducts on inside walls. T or F?
|
F
|
|
Natural convection terminal units distribute heat by using natural air circulation. T or F?
|
T
|
|
Radiant energy is transmitted through the air in straight lines. T or F?
|
T
|
