网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
On opposite ends of a single shaft of a turboblower are a gas driven （）and a air compressor, which are sealed each other.
A
charge air receiver
B
scavenging air belt
C
turbine
D
air cooler
参考答案
参考解析
解析：
暂无解析
更多 “单选题On opposite ends of a single shaft of a turboblower are a gas driven （）and a air compressor, which are sealed each other.A charge air receiverB scavenging air beltC turbineD air cooler” 相关考题
考题
When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?A.The propeller hub taper and shaft keyway should be inspected for cracks or corrosionB.The stern bearing alignment with the stern frame should be checkedC.The interior of the stern tube should be inspected for leaksD.The shaft liner should be removed and inspected for cracks
考题
Which of the following statements represents an advantage of an electromagnetic clutch?A.Large misalignments can be tolerated between the shaft and engine couplingB.Slip is held to a minimum when reversing shaft rotationC.Engine torsional vibrations to the driven shaft are eliminatedD.It aids in maintaining power factor
考题
Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by ______.A.permanent loss of pump suctionB.worn shaft sealsC.high level in the oil sumpD.low motor RPM
考题
Tensile stress is a result of two forces acting in ______.A.opposite directions on the same line，tending to pull the material apartB.opposite directions on the same line，tending to compress the objectC.opposite directions along parallel linesD.the same direction along parallel lines
考题
What prevents water running along the shaft of a leaking centrifugal pump from entering the shaft bearing ________．A.Shaft sealB.Water flingerC.Drain holeD.Lantern ring
考题
A bridle for an ocean tow consists of ______.A.two chains of equal lengthB.a single nylon pendant rove through a heavy ring free to move on the pendantC.two long legs of wire rope shackled to a fishplateD.a single length of heavy chain with both ends secured on deck to welded pad eyes
考题
A wobbling tail shaft is an indication of ______.A.shallow waterB.an engine that is misfiringC.a tight tail shaft glandD.worn stern bearing or misalignment
考题
单选题0n a single-screw vessel the stern frame（）.A
furnishes support to the rudder, propeller shaft, and transom frameB
provides foundations for after mooring winchesC
provides foundation for the main propulaion enginesD
transfers the driving force of the propller to the hull
考题
单选题On a single-screw vessel the stern frame（）.A
furnishes support to the rudder，propeller shaft，and transom frameB
provides foundations for after mooring winchesC
provides foundations for the main propulsion enginesD
transfers the driving force of the propeller to the hull
考题
单选题Misalignment of the drive shaft and propeller shaft flanges can be detected by using a dial indicator or （）.A
inside micrometerB
feeler gaugeC
adjustable trammelD
sighting device
考题
单选题A bridle for an ocean tow consists of（）.A
two chains of equal lengthB
a single nylon pendant rove through a heavy ring free to move on the pendantC
two long legs of wire rope shackled to a fishplateD
a single length of heavy chain with both ends secured on deck to welded pad eyes
考题
单选题Which of the following statements represents an advantage of an electromagnetic clutch?（）A
Large misalignments can be tolerated between the shaft and engine couplingB
Slip is held to a minimum when reversing shaft rotationC
Engine torsion vibrations to the driven shaft are eliminatedD
It aids in maintaining power factor
考题
单选题A Chinese stopper (two lines) will hold best when you（）.A
fasten the bitter ends to the mooring line with half hitchesB
twist the ends together and hold them in the direction of the pullC
twist the ends together and hold them in the direction opposite to the pullD
twist the ends together and hold them at right angles to the mooring line
考题
单选题When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?（）A
The propeller hub taper and shaft keyway should be inspected for cracks or corrosionB
The stern bearing alignment with the stern frame should be checkedC
The interior of the stern tube should be inspected for leaksD
The shaft liner should be removed and inspected
考题
单选题What does the term end-for-end refer to in regard to a wire towing hawser（）.A
Cutting off the bitter and towing ends of the wire ropeB
Splicing two wire ropes togetherC
Removing the wire rope from the drum and reversing it so that the towing end becomes the bitter endD
Removing the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum
考题
单选题Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by（）A
permanent loss of pump suctionB
worn shaft sealsC
high level in the oil sumpD
low motor RPM
考题
单选题To reduce the number of strakes at the bow，two strakes are tapered and joined at their ends by a single plate. This plate is known as a（）.A
cover plateB
joinerC
lap strakeD
stealer plate
考题
单选题The indication of a slipping anchor is a(n)（）.A
decrease in mooring line lengthB
increase in the opposite amperageC
increase in the opposite line tensionD
decrease in mooring line tension and amperage
考题
单选题Misalignment of the drive shaft and propeller shaft flanges can be detected by using a dial indicator or （）A
inside micrometerB
feeler gauge and straight edgeC
adjustable trammelD
sighting device
考题
单选题—Could you lend me some money, Jack? —Sorry, Mike. I myself can’t earn enough to ______.A
make the ends meetB
make ends meetC
keep the ends meetD
keep ends meet
考题
单选题“Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired, or at least patched up temporarily until the next stop” This sentence means that （）.A
Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the spotB
Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the next port of callC
Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired until the next stopD
Any leaks in piping, propeller shaft, machinery, tanks, will have to be at least patched up
考题
单选题Some vessels are equipped with a water lubricated stern robeWhen at sea, operating under normal conditions, the water service valve from the ships saltwater system to the bearing should be （）.A
closed, and no leakage permitted across the shaft packingB
closed, and only slight leakage permitted across the shaft packingC
open, and no leakage permitted across the shaft packingD
open, and only slight leakage permitted across the shaft packing
考题
单选题A wobbling tail shaft is an indication of（）.A
shallow waterB
an engine that is misfiringC
a tight tail shaft glandD
worn stern bearing or misalignment
考题
单选题What does Paragraph 3 mainly talk about?A
The effective use of cigarette ends.B
The process of recycling cigarette ends.C
The difficulty in recycling cigarette ends.D
The reason for breaking down cigarette ends.
热门标签
最新试卷
