更多"Low pressure disturbances，which tra"的相关试题:
[单项选择]Which of the petroleum products listed has the lowest flash point?（）
A. Hydraulic oil
B. Lubricating oil
C. Diesel oil
D. Refrigeration oil
[单项选择]Which of the following statements regarding low expansion foam and its application is INCORRECT?（）.
A. Foam should not be used on electrical fires
B. One kilo of low expansion foam solution produces much more foam
C. Foam is only efficient when it covers the top of burning combustibles
D. A stream of foam should be deflected off the deck in order to best agitate the fire
[单项选择]A low pressure annular preventer which is used to direct flow of kick fluids away from the rig floor is called a （）.
A. dump valve
B. deflector
C. separator
D. diverter
[单项选择]The period at high or low tide during which there is no change in the height of the water is called the （）.
A. range of the tide
B. plane of the tide
C. stand of the tide
D. reversing of the tide
[单项选择]Which of the listed problems can be a cause of low compression pressure in a diesel engine?（）
A. clogged air filter
B. compression stroke
C. burned exhaust valves
D. all of the above
[单项选择]Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?（）
A. salinity
B. temperature
C. the hydrostatic pressure
D. Vessel’s speed
[简答题]中空LOW-E玻璃可否做弯钢？如果能够做有没有限制？双片夹胶玻璃可否做LOW-E？
[简答题]离线LOW-E与在线LOW-E的优缺点？
[单项选择]You are steaming in a westerly direction along the Gulf Coast.You see ahead of you a lighted buoy showing a red isophase light.Which action should you take（）.
A. Alter course to port and leave the buoy to starboard
B. Alter course to starboard and leave the buoy to port
C. Alter course and leave the buoy near by on either side
D. Alter course and pass the buoy well-off on either side
[单项选择]Low compression results from （）.
A. a worn cylinder
B. broken piston rings
C. either A or B
D. none of the above
[单项选择]Are trees（）along the road right now?
A. plant
B. planting
C. being planted
D. planted
[单项选择]HIGH WAVES；DENSE STREAKS OF FOAM ALONG THE DIRECTION OF THE WIND；CRESTS OF WAVES BEGIN TO TOPPLE，TUMBLE AND ROLL OVER；SPRAY MAY AFFECT VISIBILITY.This condition is likely to be termed（）.
A. strong breeze
B. near gale
C. gale
D. strong gale
[单项选择]The place where a channel moves from along one bank of the river over to the other bank of the river is called a（）.
A. draft
B. cutoff
C. draw
D. crossing
[单项选择]Distance along a track line is measured on a Mercator chart by using the （）.
A. latitude scale near the middle of the track line
B. longitude scale near the middle of the track line
C. latitude scale at the midlatitude of the chart
D. latitude or longitude scale at the middle of the scale
[单项选择]As we were driving along we saw a good restaurant, so we stopped（）dinner.
A. having
B. to have
C. having been
D. to be had
[单项选择]A vessel proceeding along the bank of a river or channel has the tendency to（）.
A. continue in line with the bank
B. hug the bank
C. sheer away from the bank
D. increase speed
[单项选择]Cylinder lubrication oil for low speed main propulsion diesel engines is admitted to each cylinder during （）.
A. the power stroke
B. the compression stroke
C. low load operation only
D. periods of standby
[单项选择]In an operating refrigeration system low on refrigerant, a liquid line sight glass will（）
A. be clear
B. be blue
C. be light green
D. show bubbles
[单项选择]Excessively low air pressure occurring in the intercooler of a reciprocating air compressor is caused by（）.
A. leaky discharge valves on the LP cylinder
B. leaky discharge valves on the HP cylinder
C. insufficient intercooler cooling
D. low ambient air pressure
