Usually if a motor in a system feels hot and you think it is overloading you should not open the flow valve further because? - ANSWER Increase in flow will usually increase the horsepower requirements.
Net positive suction head is? - ANSWER The amount of absolute pressure actually available at t...
Usually if a motor in a system feels hot and you think it is overloading you should not open the flow valve
further because? - ANSWER Increase in flow will usually increase the horsepower requirements.
Net positive suction head is? - ANSWER The amount of absolute pressure actually available at the
suction inlet of the pump to force the liquid up the pump.
If the seal has just been replaced and if the pump leaks slightly at start up, first? - ANSWER Allow the
pump to continue to run for a short period of time and see if the leak stops.
If it is ever necessary to reduce the pump flow temporarily, do so by? - ANSWER Throttle the discharge
There are several methods used to detection of incipid fires, temperature sensing and smoke detections
are the primary one? - ANSWER True
Smoke detection is accomplished by either photoelectric scanning, ionization, chambers, and smoke
detection devices? - ANSWER True
A sprinkler system with sprinklers that stay open all the time is a? - ANSWER deluge
Sprinkler heads that are mounted in an inverted position is called a? - ANSWER pendant, conventional,
flush pendant.
The number of sprinkler that can be placed on a given pipe is governed by? - ANSWER The pipe size
In a fire sprinkler system there two main types of sprinkler heads, upright and pendant? - ANSWER True
, Which of the following best describes the basic types of sprinkler systems in a building? - ANSWER
Standard wet system, standard dry system and deluge system.
The most important component in a sprinkler system is? - ANSWER A reliable source of water, sufficient
volume of water and sufficient water pressure.
Connection between a given building fire protection system and the public water supply are controlled
by? - ANSWER Post indicating valves
The class of standpipe system is determined by? - ANSWER GPM capacity, hose connection size and
personnel who uses it
As to the content of portable fire extinguishers which of the following answers is not correct? - ANSWER
Carbon monoxide
Class "A" fires are those of combustible materials such as wood, paper, cloth. Where cooling, soaking or
cloaking the burning materials essential? - ANSWER True
Class "A" fires are those flammable liquids, gases and greases which blanketing, smothering or
extinguishing agents are essential or flame interrupting affect is needed.? - ANSWER False
Class "C" fire are those involving energized electrical equipment where non-conductive or extinguishing
agents are essential? - ANSWER True
1 cubic feet of water is how many gallons? - ANSWER 7.48
A horsepower is equal to _____? - ANSWER 33,000 foot pounds of work per minute
Capacity of an air compressor is usually expressed in cubic feet per minute? - ANSWER True
, Temporary platforms used by to support workers and materials while working off the ground is usually
called a _____? - ANSWER scaffolding
A device used to measure battery acid strength is a _____? - ANSWER Hydrometer
Brazed cast fittings should be cooled with _____? - ANSWER A damp cloth
When working with electricity it is _____? - ANSWER Perfectly safe to use a wooden ladder & perfectly
safe to use a fiberglass ladder.
Oxygen under pressure should never be allowed to come in contact with _____? - ANSWER Oil
Should safety glasses been worn when using a hacksaw? - ANSWER Yes
What's the purpose of a safety lock-out program. - ANSWER To protect the circuit you are working on, to
protect the life of the person working on the circuit and to protect the employer from a lawsuit.
Under CAL-OSHA Act, one of your rights is _____? - ANSWER Not to work on or in any environment that
you believe presents a health safety hazard.
Safety shields and goggles are not required to be worn if you wear glasses? - ANSWER False
Power tools are okay to use with frayed cords as long as it is an engineer that is using them. - ANSWER
False
Filter lenses of what shade number are recommended for arc welding and cutting with a range of 30-75
amps? - ANSWER 8
A welding defect consisting of a void or cavity produced by gases trapped in a solidified hot metal is
called a _____? - ANSWER Blow hole
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