你可能感興趣的試題

The amount of LFG that may be loaded into a given tank is determined by（）.

A.checking the loading sheet
B.loading to within 1 percent of outage
C.loading to within 10 percent of the safety relief valve setting
D.filling to the maximum level indicated on the liquid level gaging device

單項選擇題

The airborne concentrations of substances (such as H₂S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.

A.exposure limits
B.concentration limits
C.threshold limit values
D.substance limit values

The primary hazard of liquefied petroleum gas and liquefied natural gas is（）.

你可能感興趣的試題

The amount of LFG that may be loaded into a given tank is determined by（）.

The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.

The airborne concentrations of substances (such as H₂S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.