更多"In describing engine operation, wha"的相关试题:
[单项选择]In describing basic diesel engine operation，the term ‘event’ refers to （）
A. the production of high pressure gases
B. the removal of expended combustion gases
C. the admission of air to the cylinder
D. all of the above
[单项选择]What does the term to navigate with caution mean?（）.
A. To navigate intentionally
B. To navigate intensely
C. To navigate carefully
D. To navigate completely
[单项选择]What does the term head mean when applied to a fire pump?（）
A. Length of the discharge pipe
B. Height of the discharge pipe
C. Difference between the discharge and suction pressures
D. Sum of discharge and suction pressures
[单项选择]What does the term TO NAVIGATE WITH CAUTION mean?（）.
A. To navigate intentionally
B. To navigate intensely
C. To navigate carefully
D. To navigate completely
[单项选择]What does the term end-for-end refer to in regard to a wire towing hawser（）.
A. Cutting off the bitter and towing ends of the wire rope
B. Splicing two wire ropes together
C. Removing the wire rope from the drum and reversing it so that the towing end becomes the bitter end
D. Removing the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum
[单项选择]What does a pyrometer measure on a diesel engine? （）
A. Water temperature
B. Water pressure
C. Exhaust temperature
D. Air box pressure
[单项选择]What does Peter do?（）
A. He's good at fixing things.
B. He can speak good German.
C. He does the washingup after supper
D. He's a language teacher.
[单项选择]What does your father do?（）
A. He is cleaning the street
B. He is forty
C. He is a farmer
D. He is all right
[单项选择]What does blowing tubes accomplish?（）
A. Eliminates unburned fuel oil residues from the firebox
B. Increases boiler efficiency
C. Flushes away mineral deposits inside the water tubes
D. Cleans soot deposits from the inside of the stack
[单项选择]What does EPIRB stand for? （）
A. Emergency Position Indicating Radar Buoy
B. Electronic Pulse Indicating Radiobeacon
C. Emergency Position Indicating Radiobeacon
D. None of the above
[单项选择]What does ECDIS stand for?（）
A. Electrical Chart Display and Indication System
B. Electronic Chart Display and Information system
C. Electric Chart Display and Information System
D. Electronic Chart Display and Indicating system
[单项选择]On navigational aids，what does the light characteristic Fl(2+1) mean?（）
A. A flashing light combined with a fixed light of greater brightness
B. Light flashes combined in groups，with a different number of flashes in each group
C. A light showing groups of two or more flashes at regular intervals
D. A fixed light varied at regular intervals by groups of two or more flashes of greater brightness
[单项选择]What does not contribute to the commercial GPS receiver position error（）.
A. Satellite clock
B. Ship's speed
C. Atmospheric/ionospheric propagation
D. Receiver
[单项选择]On what does the operation of an aneroid barometer depend?（）
A. Thin，metal，air tight cell
B. Curved tube containing alcohol
C. Column of mercury supported by atmospheric pressure
D. Expansion of mercury in a closed tube
[单项选择]What does salt water draft mean?（）.
A. It means summer draft
B. It means maximum draft
C. It means fresh water draft
D. It means seawater draft
[单项选择]What does the abbreviation VHF stand for?（）
A. Vessel's Hoisting Flag
B. Very High Safety
C. Vessel's Homing Frequency
D. Very High Frequency
[单项选择]What does “VHF” stand for?（）
A. echo sounder
B. radar
C. direction finder
D. radiotelephone
[单项选择]According to the Chemical Data Guide，what does ethyl chloride produce when ignited?（）
A. Toxic fumes of oxides of nitrogen
B. Toxic fumes of lead
C. Poisonous phosgene gas
D. Poisonous chlorine gas
