更多"A hot air start pipe indicates that"的相关试题:
[单项选择]Hot air can hold（）.
A. less moisture than cold air
B. more moisture than cold air
C. the same amount of moisture as cold air
D. moisture independent of air temperature
[单项选择]Which condition indicates the air side fouling of an after-cooler on a turbocharged diesel engine?（）
A. An increased air temperature differential between the cooler inlet and outlet
B. A decrease in the air pressure differential across the cooler
C. Excessive condensate forming in the air box
D. A decrease in the air temperature differential between the cooler inlet and outlet
[单项选择]HOT AIR（热空气）按钮开关位于OFF（关）位（）
A. 活门调节热气压力
B. 活门打开，调节空气活门关闭
C. 活门关闭，调节空气活门关闭
[单项选择]If the engine does start on air, but combustion does not immediately begin, the cause may be （）.
A. failure of the fuel pumps
B. starting air pressure too low
C. stop valve in air line closed
D. the turning gear still engaged
[单项选择]If the engine does not start on air, it may be due to （）
A. low compression of the fuel pumps
B. incorrect timing of fuel pumps
C. the starting air valves stuck
D. air-locks in fuel oil pipeline
[单项选择]Vessels having main engines arranged for air starting are to be provided with at least （）
A. one automatic drain serving both containers
B. two air starting containers of approximately equal size
C. one control air container and one starting air container
D. one additional means of starting the main engine
[单项选择]Diesel engine air start valve timing is controlled by（）
A. engine operating speed
B. an air manifold
C. a hydraulic distributor
D. individual cams and valve gear
[单项选择]Diesel engine air start system check valves are opened by （）
A. an air start cam
B. cylinder compression pressure
C. starting air pressure
D. valve springs
[单项选择]An air compressor can be unloaded at start-up by （）.
A. holding the discharge valve open
B. relieving the intercooler pressure to the atmosphere
C. using an enlarged, permanently opened clearance expansion space
D. a pre-charged accumulator
[单项选择]（）indicates unstable weather.
A. The persence of cirrus clouds
B. The low-hanging stratus clouds
C. The altocumulus clouds
D. The massive cumulus clouds
[单项选择]The radiotelephone message that indicates a station is about to transmit a message concerning the safety of navigation or important meteorological warnings commences with（）.
A. TTT
B. The spoken word PAN
C. The spoken word SECURITE
D. XXX
[单项选择]Which radiotelephone signal indicates receipt of a distress message?（）
A. Roger wilco
B. Romeo，romeo，romeo
C. SOS acknowledged
D. Mayday roger
[单项选择]Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
A. Expect to see cirrus clouds followed by altostratus and nimbostratus clouds
B. Alter course to remain in the navigable semicircle
C. Prepare for gusty winds，thunderstorms，and a sudden wind shift
D. Expect clear weather，with steady winds and pressure，until the front passes
[单项选择]Which display indicates a vessel conducting mineclearance operations（）.
A. Three balls in a vertical line
B. Two balls in a vertical line
C. One ball near the foremast and one ball at each yardarm
D. One diamond near the foremast and one ball at each yardarm
[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]The Tonnage Certificate indicates （）.
A. deadweight tons
B. displacement tons
C. net tons and gross tons
D. volume tons
