更多"Misalignment of the drive shaft and"的相关试题:
[单项选择]Misalignment of the drive shaft and propeller shaft flanges can be detected by using a dial indicator or （）
A. inside micrometer
B. feeler gauge and straight edge
C. adjustable trammel
D. sighting device
[单项选择]Where a propeller shaft passes through the hull，water is prevented from entering by means of a（）.
A. stuffing box
B. propeller boss
C. seacock
D. stop-water
[单项选择]“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 spot
B. Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the next port of call
C. Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired until the next stop
D. Any leaks in piping, propeller shaft, machinery, tanks, will have to be at least patched up
[单项选择]One method of determining crankshaft misalignment is by（）
A. laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two places
B. measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolution
C. rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottom
D. taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation
[单项选择]The center line condition of the transmission shaft can be checked by（）
A. the border flange’s excursion and flection
B. the both end shafts line’s accordance
C. the border flange’s flection and the both end shafts line’s accordance
D. the border flange’s accordance and both end shafts flection degree
[单项选择]Fishing gear fouled（）propeller.
A. we
B. me
C. I
D. my
[单项选择]When the propeller blades are integral with the hub, the propeller is called a （）.
A. built up propeller
B. solid propeller
C. controllable pitch propeller
D. suction back propeller
[单项选择]The propeller is pushed on to the tubeshaft taper and made tight by（）
A. a mechanical seal
B. keyway and key
C. a nut
D. shrinkage
[单项选择]On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put（）.
A. full ahead
B. full astern
C. half ahead
D. slow astern
[单项选择]Propeller pitch speed minus ship speed divided by the propeller pitch speed is termed （）.
A. apparent slip
B. tree slip
C. pitch
D. propulsive efficiency
[单项选择]As the propeller turns，voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency，pitting of the blades，and vibration. These voids are known as（）.
A. advance
B. cavitation
C. edging
D. slip
[单项选择]If your propeller is racing in rough weather，you should（）.
A. decrease your engine speed
B. ignore it
C. increase your engine speed
D. stop your engine until the rough weather passes
[单项选择]（）of my ship’s propeller is very strong.
A. The running reflection
B. The turning effect
C. The moving speed
D. The changing sensibility
[单项选择]My propeller was hit by a steel barge lying（）.
A. ahead
B. astern
C. alongside my port bow
D. alongside my starboard bow
[单项选择]Compared to a constant pitch propeller, a controllable pitch propeller（）.
A. more efficiently uses available engine power
B. operates at a lower efficiency at a fixed speed
C. produces the same torque at lower engine power
D. develops its rated power at a lower speed
[单项选择]When viewed from astern, if the propeller revolves in a clockwise direction when going ahead, it is known as （）.
A. ahead direction
B. astern direction
C. right-handed
D. left-handed
[单项选择]The difference between Fixed pitch propeller (FPP) and Controllable pitch propeller (CPP) is in that（）
A. for FP, once fitted, the position of the blades can also be changed in operation
B. for CP, once fitted, the position of the blades can also be changed in operation
C. the CP type has a relatively smaller hub compared with the FP propellers
D. the FP type has a relatively larger hub compared with the CP propellers
