更多"A slow，gradual fall of the baromete"的相关试题:
[单项选择]A rapid rise or fall of the barometer indicates（）.
A. heavy rain within six hours
B. a decrease in wind velocity
C. a change in the present weather conditions
D. that fog will soon set in
[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]A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
A. the four-way control valve failing to shift
B. the bleeder valve sticking in the open position
C. cold hydraulic fluid
D. a clogged air vent falter on the oil reservoir
[单项选择]APP按钮
A. 指令FGS预位
B. 跟踪ILS的航向道
C. 跟踪下滑信号
D. D、B、C都对
[单项选择]Data transfer is slow between the source and destination. The quality of service requested by the transport layer in the OSI reference model is not being maintaineD.To fix this issue, at which layer should the troubleshooting process begin?（）
A. presentation
B. session
C. transport
D. network
E. physical
[单项选择]Most medium and slow speed diesels are started by what medium?（）
A. Electric starting motors
B. Hydraulics
C. Compressed air
D. Ether
[单项选择]The engine may lose power or slow down during running, when this occurs, the first cause possible may be hot bearings and （） of the pistons in the cylinders.
A. crack
B. knocking
C. leaking
D. seizure
[单项选择]A slow rise in the barometric pressure forecasts（）.
A. rainy weather for the next 48 hours
B. high seas
C. improving weather conditions
D. deteriorating weather conditions
[单项选择]Running an electric winch at slow speed over a long period of time causes（）.
A. the speed to be retarded by the friction brake
B. a load to go downward at full speed
C. the circuit breaker to turn off
D. the resistors to overheat and eventually burn out
[单项选择]What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）
A. White
B. Black
C. Blue
D. Clear
[单项选择]A person who observes an individual fall overboard from an OSV should（）.
A. immediately jump into the water to assist the individual
B. call for help and keep the individual in sight
C. run to the radio room to send an emergency message
D. go to the control room for the distress flares
[单项选择]Tides are superimposed on nontidal rising and falling water levels，caused by（）．
A. freshets
B. floods
C. river flows
D. seismic events
[单项选择]The power developed by a large slow-speed main propulsion diesel engine is dependent upon the （）
A. quantity of air it takes in and retains in the cylinders during a given time period
B. proportion of trapped air that is utilized in the combustion process
C. thermodynamic efficiency of the engine cycle
D. all of the above
[单项选择]However fast or slow the combustion rate, it is still a （） between carbon, hydrogen, sulphur and oxygen that releases heat.
A. physical deformation
B. state exchange
C. chemical reaction
D. coalescence
[单项选择]Telescopic pipes to the piston of a large slow-speed main propulsion diesel engine are designed to prevent （）.
A. excessive crankcase pressure
B. excessive lube oil temperature
C. contamination of the lube oil by water
D. contamination of the cooling water by lube oil
[多项选择]Which of the following IP addresses fall into the CIDR block of 115.（）
A. 115.64.8.32
B. 115.64.7.64
C. 115.64.6.255
D. 115.64.3.255
E. 115.64.5.128
F. 115.64.12.128
