更多"During check on top clearance in ma"的相关试题:
[单项选择]During sea trial, the main engine well be kept run at load（）
A. 100%
B. 110%
C. 85%
D. different
[单项选择]The main reason a long towline is used during an oceantow is that（）.
A. a margin of safety is provided should the line part
B. the towline will wear more evenly
C. there will be less stress on the towline
D. a slight increase in speed will be realized
[单项选择]The main purpose of changing main engine to electronic controlled is not to（）
A. control fuel injection time more precisely
B. control fuel injection rate more precisely
C. meet the environmental requirements
D. meet high engine speed requirements
[单项选择]The main purpose of warming the parts of the main engine is （）
A. to reduce heat stress
B. to reduce low temperature corrosion
C. to improve firing and starting performance
D. fuel saving
[单项选择]During compressors running the accumulated moisture in the separators must be （）.
A. drained off
B. collected
C. sent to the crankcases
D. separated with oil
[单项选择]Weight is considered during the periodic required inspection and servicing of（）.
A. CO2 (carbon dioxide) fire extinguishers
B. foam fire extinguishers
C. water (stored pressure) fire extinguishers
D. All of the above
[单项选择]During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be（）.
A. black
B. red
C. orange
D. yellow
[单项选择]A centrifugal pump vibrates excessively during operationUpon disassembling the pump it is found that the impeller is out of balanceWithout an available spare, you should （）.
A. drill holes through the heavy side of the impeller until it balances
B. weld counterweights to the light side of the impeller
C. remove metal from the heavy side by machining in a lathe
D. acid wash and serape the heavy side until it balances
[单项选择]During working, thermostatic expansion valve should be （）.
A. either all the way open or all the way closed
B. normally fully open
C. throttled depending on load
D. controlled by liquefied pressure
[单项选择]During the voyage he encountered boisterous winds and heavy weather during which time the vessel（）heavily and to such an extent that at times it was necessary to change course.
A. moved
B. labored
C. drove
D. went
[单项选择]Broken piston rings manifest themselves during the scavenge port inspection by（）
A. Lack of elastic tension, when the rings are pressed into the groove by means of a stick
B. Blackish appearance
C. Fractured rings and missing rings
D. all off the above
[单项选择]（）during the last repair?
A. Did you have No.4 cylinder repair
B. Do you have No.4 cylinder repaired
C. Didn’t you have No.4 cylinder repairing
D. Didn’t you have No.4 cylinder repaired
[单项选择]During maneuvering operations for a direct reversing large, low-speed, main propulsion diesel engine, which of the following actions is used to stop the shaft from turning prior to reversing the engine rotation?（）
A. Flywheel inertia
B. Admission of starting air
C. The way of the vessel
D. securing of fuel to the cylinders
[单项选择]TU-AIS告警的含义是？
A. 整个STM-N帧内除STM-NRSOH和MSOH外全部为“1”
B. VC-4中的TU-12净荷全部为“1”
C. VC-12和TU-12指针全部为“1”
D. 支路信号所在的AU指针全部为“1”
[多项选择]Check约束可以实现（）
A. 限制一个表中单个列的取值范围
B. 限制一个表中多个列之间的取值约束
C. 限制不同表之间列的取值约束
D. 为列提供默认值
[单项选择]During a successful business career, she accumulated a great amount of（）
A. health
B. poverty
C. wealth
D. prosperity
[单项选择]A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.
A. proceed with fueling operation
B. have helicopter move to a safer location
C. wash spilled fuel away with a flood of water
D. clean spilled fuel with rags
[单项选择]For optimum stability during jacking operations，mat ballast tanks or spud cans should be（）.
A. empty
B. fully ballasted
C. partially ballasted
D. sealed
