<table id="dogik"><legend id="dogik"><big id="dogik"></big></legend></table>

<li id="dogik"></li>

<table id="dogik"><wbr id="dogik"><center id="dogik"></center></wbr></table>

單項(xiàng)選擇題

Which of the following statements is least likely to cause the ignition of fuel vapors?（）

A.Static electricity
B.An open running electric motor
C.Loose wiring
D.Explosion proof lights

你可能感興趣的試題

單項(xiàng)選擇題

A burning AC motor would be considered what class of fire?（）

A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"

單項(xiàng)選擇題

Fire dampers prevent the fire spreading through the process of （）.

A.convection
B.conduction
C.radiation
D.direct contact

<table id="yuxqk"><wbr id="yuxqk"><center id="yuxqk"></center></wbr></table>