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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Which of the following operations need NOT to be entered on the Oil Record Book Part I?()
(1) Disposal of oil residues
(2) Internal transfer of fuel oil
A.(1)only
B.(2)only
C.both(1)and(2)
D.neither(1)nor(2)
A.telemeter
B.telemanometer
C.telemotor
D.telemometer
A.fresh water
B.fresh air
C.salt water
D.artificial respiration
A.rub the eyes
B.irritate the eyes
C.wash the eyes with a heavy boric acid solution
D.obtain medical help
A.Refrigeration
B.Air conditioning
C.Ventilation
D.Heating
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Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?()
The major source of chemical contaminants in hydraulic fluid is ().
A salinity indicator is used to determine the ().
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump ().
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should ().
The rate of heat transfer from a hot region to a cold region is affected most by the ().
The general purpose of a heat exchanger is to ().
The output volume of a positive fixed displacement pump can be changed only by ().
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by ().
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will ().