單項選擇題

Which of the following operations need to be entered on the Oil Record Book Part I?()
(1) Cleaning of fuel oil tanks
(2) Internal transfer of fuel oil

A.(1)only
B.(2)only
C.both(1)and(2)
D.neither(1)nor(2)


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3.單項選擇題Should a person be overcome due to lack of oxygen and high concentration of refrigerant, treat with().

A.fresh water
B.fresh air
C.salt water
D.artificial respiration

4.單項選擇題If liquid refrigerant accidentally comes in contact with the eyes, () immediately.

A.rub the eyes
B.irritate the eyes
C.wash the eyes with a heavy boric acid solution
D.obtain medical help

5.單項選擇題() is the circulation and refreshing of the air in a space without necessarily a change of temperature.

A.Refrigeration
B.Air conditioning
C.Ventilation
D.Heating