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Vehicle operators should ______ the chassis to take pressure（caused by the tension of the lashing）off the springs．
A.brace
B.lash
C.block up
D.secure
参考答案
更多 “ Vehicle operators should ______ the chassis to take pressure（caused by the tension of the lashing）off the springs．A.braceB.lashC.block upD.secure ” 相关考题
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The air crash was caused by the (). Thus, he should take all responsibility for that.
A、crewB、pilotC、staffD、engine
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If the head pressure of a reciprocating refrigeration compressor is excessiveA.the relief valve should open before the high pressure cutoutB.the relief valve should open and allow the excess refrigerant to flow to the receiverC.the high pressure cutout switch should operate before the relief valve opensD.you should close the discharging valve
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What is TRUE of pressure/vacuum valves?A.They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tankB.They should operate in advance of the pressure/vacuum breakersC.They should be kept in good working order by regular inspection and cleaningD.All of the above
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Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?A.Age of vehicle or cargo unitB.Size and weight of vehicle/cargo unitC.Reputation of shipper concerning condition of cargoD.Air pressure in the vehicles tires
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You are discharging cargo and the inert gas system is in operation to inert the tanks. The pressure in a tank being discharged starts to drop below the allowable limit. What action should you take?A.Cut in another IG fan to increase gas flowB.Open the pressure control valve until the pressure increasesC.Open the tank isolation valve to the fully open positionD.Reduce the pumping rate
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You are on an ice-reinforced vessel about to enter packice．You should ______．A.enter the pack on the windward side where there is a well defined ice edgeB.trim to an even keel or slightly down by the bow to take maximum benefit of the ice reinforcementC.take maximum advantage of coastal leads caused by offshore windsD.look for areas of rotten ice and enter perpendicular to the ice edge
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Dangerous goods required to be“carried on deck only”should not be carried on closed vehicle decks，but may be carried on open vehicle deck when authorized by the competent authority concerned．A.Under deckB.On deckC.On deck onlyD.Under deck only
考题
An occluded front is caused by a(n) ______.A.low pressure areaB.high pressure areaC.area of calm airD.cold front overtaking a warm front
考题
Under no circumstances______without looking carefully to the rear.
A.should one back up a motor vehicle
B.a motor vehicle should back up
C.one should back up a motor vehicle
D.should back up a motor vehicle
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The school has made it a rule that no student shall take an illegal vehicle __________a school bus.A.other than
B.rather than
C.or rather
D.or else
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I asked my teacher_______.A.what courses should I take
B.should I take what courses
C.I should take what courses
D.what courses I should take
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他们应该照看系泊缆绳。（）A、They should take care of the mooring lines.B、They should take care of the gangway.C、They should take care of anchors.D、They should take care of anchor chains.
考题
单选题他们应该照看系泊缆绳。（）A
They should take care of the mooring lines.B
They should take care of the gangway.C
They should take care of anchors.D
They should take care of anchor chains.
考题
单选题During storm conditions on a vessel，the mooring tensions should be adjusted so that（）.A
all mooring lines have a different tensionB
the leeward lines have higher tension than the windward linesC
the maximum tension of the most heavily loaded line does not exceed the safe working loadD
all horizontal tension forces on the windward lines are no greater than the vertical tension forces
考题
单选题Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels? （）A
Age of vehicle or cargo unitB
Size and weight of vehicle/cargo unitC
Reputation of shipper concerning condition of cargoD
Air pressure in the vehicles tires
考题
单选题An occluded front is caused by a(n)（）.A
low pressure areaB
high pressure areaC
area of calm airD
cold front overtaking a warm front
考题
单选题Failure of the burner flame in an auxiliary boiler would probably be a result of（）A
water in the fuel oilB
broken high tension leadsC
incorrect electrode settingD
full fuel pressure at the nozzle
考题
单选题The manufacturers refused to take all（）for damage caused by misuse.A
dutyB
responsibilityC
obligationD
share
考题
单选题If the head pressure of a reciprocating refrigeration compressor is excessive, （）.A
the relief valve should open before the high pressure cutoutB
the relief valve should open and allow the excess refrigerant to flow to the receiverC
the high pressure cutout switch should operate before the relief valve opensD
you should close in on the suction valve
考题
单选题Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this，you should（）.A
install shoring so the shoring supports the damaged bulkheads without pushing on themB
install shoring so that it pushes on the damaged bulkhead while supporting itC
use jacks or chain falls to remove the set before installing shoresD
place sandbags by the bulkhead without installing shores
考题
单选题If the head pressure is too high,（）A
the relief valve should open before the high-pressure cutoutB
the relief valve should open and let excess refrigerant go to receiverC
the high-pressure cutout switch should operate before the relief valve opensD
close in on the suction valve
考题
单选题Dangerous goods required to be “carried on deck only” should not be carried on closed vehicle decks，but may be carried on open vehicle deck when authorized by the competent authority concerned. （）A
under deckB
on deckC
ondeck onlyD
under deck only
考题
单选题You are discharging cargo and the inert gas system is in operation to inert the tanks. The pressure in a tank being discharged starts to drop below the allowable limit. What action should you take? （）A
Cut in another IG fan to increase gas flowB
Open the pressure control valve until the pressure increasesC
Open the tank isolation valve to the fully open positionD
Reduce the pumping rate
考题
单选题A burner responsible for producing black smoke in an automatic auxiliary boiler, would be caused by a （）A
defective solenoid valveB
dirty fuel nozzleC
grounded high tension leadD
faulty ignition cable connector
考题
单选题Excessively low air pressure occurring in the intercooler of a reciprocating air compressor is caused by（）.A
leaky discharge valves on the LP cylinderB
leaky discharge valves on the HP cylinderC
insufficient intercooler coolingD
low ambient air pressure
考题
单选题An auxiliary reservoir for starting auxiliary engines should be kept at （）.A
low pressure at all timesB
full pressure at all timesC
low pressure at intermittenceD
full pressure at intermittence
考题
单选题What is TRUE of pressure/vacuum valves? （）A
They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tankB
They should operate in advance of the pressure/vacuum breakersC
They should be kept in good working order by regular inspection and cleaningD
All of the above
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