單項(xiàng)選擇題

When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.

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

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單項(xiàng)選擇題

When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）

A.Foam
B.Solid stream water nozzle
C.All-purpose nozzle
D.Carbon dioxide

單項(xiàng)選擇題

When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.

A.over the top of the flames
B.off a bulkhead into the fire
C.in front of the fire
D.at the base of the fire

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When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.

你可能感興趣的試題

When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）

When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.

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