更多"Surface irregularities, such as ero"的相关试题:
[名词解释]风蚀预报方程 wind erosion prediction equation
[名词解释]土壤侵蚀类型 soil erosion type
[单项选择]Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pump impeller, and on the waterside of the （）
A. fuel nozzle holders
B. exhaust value guides
C. engine cylinder liners
D. low temperature and a low viscosity
[单项选择]Which of the listed cylinder liner surface conditions indicates proper lubrication?（）
A. Dull black appearance
B. Bright appearance
C. Thin layer of lacquer
D. Thick oily film
[单项选择]Coalescence is the breakdown of surface tension between oil droplets in an oil/water mixture, which causes them to join and （） in size.
A. expand
B. extract
C. increase
D. decrease
[单项选择]The distance between the surface of the water and the tidal datum is the （）.
A. range of tide
B. height of tide
C. charted depth
D. actual water depth
[单项选择]In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.
A. cylinder liner
B. cylinder cover
C. piston
D. exhaust valve
[单项选择]To calculate the free surface correction，it is necessary to divide the free-surface moments by the（）.
A. total weight of liquid loads
B. total displacement
C. lightweight
D. deadweight
[单项选择]The Coordinator Surface Search (CSS) in a SAR situation should display by night（）.
A. deck lights forward and aft
B. a white light over two red lights
C. a red light，white light，and blue light in a vertical line
D. a distinctive signal promulgated by the CSS
[单项选择]The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.
A. volume of displacement of the vessel
B. dimensions of the surface of the liquid
C. amount of liquid in slack tanks
D. specific gravity of the liquid in the tank
[单项选择]Abnormal crankpin bearing and piston skirt surface wear indicate（）
A. a restricted air intake
B. a clogged connecting rod oil passage
C. incorrect connecting rod alignment
D. high cylinder firing temperatures
[单项选择]Grinding to eliminate shallow surface defects should be done（）.
A. parallel to the longitudinal direction of the chain
B. perpendicular to the direction of the anchor chain
C. diagonally across the link of the anchor chain
D. around the circumference of the chain link
[单项选择]The FIRST treatment for a surface burn is to（）.
A. wash the burned area with a warm soap and water solution
B. flood，bathe，or immerse the burned area in cold water
C. cover the burned area with talcum powder and bandag it cover the burned area with talcum powder and bandage it tightly
D. leave the burned area exposed to the atmosphere
[单项选择]A plane that cuts the Earth’s surface and passes through the poles will always form（）.
A. the equator
B. a loxodromic curve
C. a small circle
D. a meridian
[单项选择]The Coordinator Surface Search in a SAR situation should display by day（）.
A. the code flags FR
B. a black ball over a black diamond shape
C. code flag Quebec over a black ball
D. two black diamond shapes in a vertical line
[单项选择]Snow has obliterated surface features and the sky is covered with uniform，altostratus clouds. There are no shadows and the horizon has disappeared. What is this condition called? （）
A. Ice blink
B. Whiteout
C. Water sky
D. Aurora reflection
[单项选择]The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.
A. transverse free surface correction for the vessel
B. sum of the vertical moments of the vessel
C. sum of the longitudinal free surface moments of the vessel
D. longitudinal centerline of the vessel
