更多"A centrifuge will satisfactorily re"的相关试题:
[单项选择]A centrifuge of which the bowl is arranged as the upper and lower parts separate discharges the sludge（）
A. by opening the separator manually
B. by separating the lower part from the upper part automatically
C. by separating the upper part from the lower part automatically
D. continuously
[单项选择]Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?（）
A. Carbon particles
B. Lube oil
C. Gasoline
D. Diesel fuel
[单项选择]Which of the following methods can not remove the non-separable emulsified oil in bilge water?（）
A. gravity separation
B. use of adsorbents
C. use of flocculents
D. use of chemical addition
[单项选择]The component of a refrigerating system in which the refrigerant vaporizes and absorbs heat is known as the （）.
A. condenser
B. vapor generator
C. accumulator
D. evaporator
[单项选择]Modern centrifuge designs enable continuous over a considerable period of timeThis is achieved by which is timed to discharge the sludge at regular intervals（）
A. an injection process
B. an ejection process
C. a separation process
D. a heating process
[单项选择]When a fuel injection nozzle overheats, which of the problems listed can be expected?（）
A. The fuel metering will vary
B. The fuel will explode
C. The cylinder head will crack
D. The engine will stop
[单项选择]Concerning the incinerator’s operation, which of the following is not correct?（）
A. Scavenging time should be more 30 seconds before igniting
B. The temperature of sludge tank is 80~100℃
C. First igniting the incinerator with diesel oil, when the temperature of health is about 600℃, the sludge oil drawn in
D. The ash can be dumped into sea when the distance is more than 3 miles from land
[单项选择]A centrifuge arranged to separate two liquids is known as （）.
A. an oily water separator
B. a purifier
C. a centrifugal compressor
D. a clarifier
[单项选择]“A centrifuge consists of an electric motor driving a vertical shaft on the top of which is mounted the bowl assembly”.According to this sentence, we can know that is mounted on the top of the vertical shaft（）
A. a centrifuge
B. an electric motor
C. a bowl assembly
D. a driving motor
[单项选择]Whether using a centrifuge or a simple filter, oil cleaning and filtration will be the most effective when the oil is at a （）.
A. high temperature and a high viscosity
B. high temperature and a low viscosity
C. low temperature and a high viscosity
D. low temperature and a low viscosity
[单项选择]As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
A. Exhaust temperatures
B. Raw water pressure
C. Lube oil pressure
D. Air box pressure
[单项选择]Which of the following conditions may contribute to the formation of deposits on the blades of the turbocharger turbine?（）
A. Poor combustion
B. High cylinder oil consumption
C. Leaking exhaust valves
D. All of the above
[单项选择]Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker? （）
A. Contamination of the cargo
B. Flash points
C. Reid vapor pressures
D. Specific gravities
[单项选择]The oil residues which cannot be discharged into the sea in compliance with MARPOL 73/78 shall be（）.
A. discharged to into special area
B. discharged into national waters
C. discharged into the designated zone
D. retained on board or discharged to reception facilities
[单项选择]Economics, several courses of which I have taken thus far,（）to be difficult but useful for almost all students。
A. prove
B. havebeenproved
C. proves
D. areproved
[单项选择]The board acknowledges the problems which （）from the newness of the approach.
A. arise
B. rise
C. arouse
D. raise
[单项选择]（） is a precaution which contributes to avoiding trouble under normal operating conditions.
A. Constant inspection
B. Keeping constant load
C. Remaining constant temperature
D. varying speed
