更多"An aneroid barometer on a boat shou"的相关试题:
[单项选择]An aneroid barometer reading should be corrected for differences in（）.
A. elevation
B. temperature
C. wind speed
D. latitude
[单项选择]Prior to reading an aneroid barometer，you should tap the face lightly with your finger to（）.
A. expose any loose connections
B. demagnetize the metal elements
C. bring the pointer to its true position
D. contract and expand the glass face
[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]An aneroid barometer is an instrument（）.
A. used to measure the speed of wind
B. in which the pressure of the air is measured
C. that tells which direction a storm is coming from
D. used to measure the height of waves
[单项选择]Which of the following precautions should always be carried out in dry dock?（）
A. Liquids should never be transferred between tanks without consulting the dock master
B. If sea valves have been disassembled, all bonnets must be checked for leakage when the ship is re-floated
C. Before re-floating, all sea chest strainers should be verified as having been replaced
D. All of the above
[单项选择]Which of the following should always be checked prior to starting a diesel engine?（）
A. Air filters
B. Fuel oil strainers
C. Crank case oil level
D. Pyrometer readings
[单项选择]You should always wear（）when working on deck.
A. helmet
B. slippers
C. goggles
D. immersion suits
[单项选择]Long hair should always be covered by（）when working with or near moving machinery.
A. a helment
B. safety cap
C. an ear plug
D. face mask
[单项选择]Before starting a diesel engine, you should always（）
A. check the pyrometer readings
B. check the crankcase oil level
C. check the fuel oil strainers
D. clean the fuel system
[单项选择]The sea painter of a rescue boat should be led（）.
A. forward and outboard of all obstructions
B. forward and inboard of all obstructions
C. up and down from the main deck
D. to the foremost point on the vessel
[单项选择]A man should not be judged always（）what he says.
A. by
B. in
C. with
D. to
[单项选择]The purpose of the “set” hand on an aneroid barometer is to（）.
A. adjust the barometer
B. indicate any change in the reading of the barometer
C. provide a correction for height above sea level
D. provide a correction for temperature changes
[单项选择]A barometer showing falling pressure indicates the approach of a（）.
A. high pressure system
B. low pressure system
C. high dew point
D. low dew point
[单项选择]As a high pressure system approaches，the barometer reading（）.
A. stays the same
B. falls
C. rises
D. falls rapidly
[单项选择]A mercurial barometer at sea is subject to rapid variations in height (pumping) due to the pitch and roll of the vessel. To avoid this error，measurements of atmospheric pressure at sea are usually measured with a(n)（）.
A. syphon barometer
B. cistern barometer
C. aneroid barometer
D. fortin barometer
[单项选择]For an accurate barometer check，you would（）.
A. check it with a barometer on another vessel
B. take readings from several barometers and average them
C. check it with the barometer at the ship chandlery
D. check it against radio or National Weather Service reports of the immediate vicinity
