Personnel working with refrigeration systems, and subject to the exposure of refrigerants should wear （）.

A、face shield

B、a respirator

C、rubber gloves

D、an all purpose gas mask

查看正确答案

更多“Personnel working with refrigeration systems, and subject to the exposure of refrigerants should wear （）.”相关的问题

第1题

[单选题] The company should establish procedures by which（）receive relevant information on the safety management system in working language or language understood by them.

A、New personnel B、The ship's personnel C、Personnel transferred to new assignments D、Visitor

点击查看答案

第2题

[单选题] Before welding is permitted on a fuel tank, it must be certified or declared （）

A、safe for becoming rounded B、safe for hot work C、not safe for personnel D、not safe for hot work

点击查看答案

第3题

[单选题] To safeguard the operator and other personnel working on or near a hoisting operation which of the following precautions should be observed?（）

A、Keep a load on the hoist until all personnel are finished working B、Set the load on a movable dolly when transportation may be needed C、Have one man keep a hand on the load to steady it D、Insure that the lifting gear capacity is not exceeded

点击查看答案

第4题

[单选题] 脂肪组织MRI上的信号特征是（）

A、T1WI低信号，T2WI高信号 B、T1WI高信号，T2WI低信号 C、T1WI和T2WI呈等信号 D、T1WI和T2WI呈低信号 E、T1WI和T2WI呈高信号，但T2WI信号有所衰减