A fire pump may be used for other purposes if（）.

A . the other services are run off a reducing station with a pressure gage B . a separate fire pump is available for use on the fire main C . all other services are operated by a manifold near the pump D . All of the above

A . acrylic acid B . benzene C . oleum D . vinyl toluene

A . a low velocity spray applicator B . a water spray or solid stream C . at least two spray patterns of water D . at least 25 psi delivered pressure

A . 45°upward B . vertically upward C . vertically downward D . all of the above

A . generators B . oil drums C . the bridge controls D . combustible metal

A . leaky pipe B . opened inlet valve C . too much water in tank D . None of the above

A . Certificate of Inspection B . Certificate of Seaworthiness C . Classification Certificate D . Certificate of Registry

A . a Coast Guard inspector B . a registered professional engineer C . the owner or Master of the vessel D . a licensed electricia

A . one-third B . two-thirds C . one-fourth D . two-fourth

A . on line to the fire main B . kept available for use on the fire main at all times C . capable of being connected to the fire main D . rated at or above 125 psi

A . firing for extended periods in the low fire mode B . overheating, due to waterside deposits C . varying the water level above the crown sheet D . carrying excessive alkalinity in the boiler water

A . soild materials such as wood or bales of fiber B . flammable liquids C . a piece of electrical equipment D . combustible metallic solid

A . excessive purging before lighting off B . insufficient trail for ignition period C . a faulty transformer in the ignition circuit D . insufficient purging before lighting off

A . check valve installed in the line B . shut off valve at a manifold near the pump C . quick disconnect union within ten feet of the pump D . regulator in the line set at 125 psi

A . water B . foam C . the range hood extinguishing system D . fire damper

A . closed discharge valve B . broken pipe line C . worn shaft D . both A and B

A、excessive internal leakage in the pump B、low discharge pressure and fluid flow C、excessive fluid level in the hydraulic reservoir D、operation of the pump at 100% efficiency

A . Conduction of heat to adjacent surfaces B . Direct radiation C . Convection D . All of the above

A . excessive drive motor speed B . excessive pump discharge pressure C . too low of a tilting box angle D . insufficient drive motor speed

A . gate valve B . pressure gauge C . check valve D . strainer

A . Carbon dioxide B . Water (stored pressure) C . Foam D . Carbon tetrachloride

A . unburned carbon particles B . excess nitrogen C . a lack of oxygen D . excess hydroge