更多"Electric cargo winches have an over"的相关试题:
[单项选择]Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.
A. after torque cause line pull to exceed the rated capacity of the winch
B. before the line pull reaches the rated capacity of the winch
C. when the line pull reaches the breaking strengh of the fall
D. before the safe working load of the fall is reached
[单项选择]The spur geared mooring winches have advantages over worm geared ones in（）
A. higher efficiency of the gear train while reversing
B. the higher gear ratio
C. the multi-start feature
D. higher recovering speed
[单项选择]The Safety Radio Certificate for the cargo Ship is issued（）.
A. by the Radiotelegraphy Authority of a country
B. in accordance with the Government Regulations
C. by Complying with the Provisions of the international Conventions
D. under the Provisions of the SOLAS Convention
[单项选择]The Safety Radio Certificate for the Cargo Ship is issued（）.
A. by the Radiotelegraphy Authority of a country
B. in accordance with the Government Regulations
C. by complying with the Provisions of the National Conventions
D. under the Provisions of the SOLAS Convention
[单项选择]A cargo hold has been determined to have a relative humidity of 80% and a dry bulb temperature of 80 ℃ and a dry bulb temperature of 85℃.When the hold is sealed and the dry bulb temperature decreases, the relative humidity in the space will （）
A. decrease
B. increase
C. decrease to zero
D. remain unchanged
[单项选择]By regulation，your cargo vessel must have（）.
A. sufficient facilities for the crew to wash their clothes
B. a wash basin in each room
C. separate toilet facilities for engineers where their number exceeds six
D. All of the above
[单项选择]Which space(s) on your cargo vessel must have a fire detection system?（）
A. Any compartment containing explosives
B. Any compartment adjacent to one containing explosives
C. Enclosed spaces which are specially suitable for vehicles
D. All of the above
[单项选择]You have a quantity of bagged cargo to stow in a block in 3 UTD. Which stow will provode the maximum block stability ?（）.
A. Half-bag stow
B. Bag-on-bag stow
C. Alternate layer directions
D. Bilge and cantline
[单项选择]Owner shall have a lien on the cargo for freight，dead-freight，demurrage and damages for detention．It means that（）.
A. Owner will not deliver the cargo if freight not paid
B. Owner will keep the dead-freight until the cargo has been delivered
C. Owner will keep the demurrage as soon as the cargo be delivered
D. Owner shall have no right of detention for the damaged cargo to be delivered
[单项选择]May I have a copy of the cargo plan?Certainly，here（）.
A. is it
B. are you
C. they are
D. you are
[单项选择]（）the vessel have no safety radiotelegraphy certificate at the time of her delivery,she （） be held to be unseaworthy.
A. If／may
B. Will／shall
C. Should／would
D. Would／should
[单项选择]We have two kinds of cargo on board，but（）is dangerous.
A. either
B. neither
C. none
D. no
[单项选择]I am（）fire and have dangerous cargo on board.
A. on
B. in
C. at
D. with
[单项选择]I have pleasure in informing you that all safety equipment is in（）working order.
A. full
B. care
C. intentional
D. reasonable
[单项选择]I’m on fire and have dangerous cargo on board. The most emergent assistance in this case would be（）.
A. life boat
B. helicopter
C. fire-fighting
D. medicine
[单项选择]A carburetor is required to have a safety device called a(n)（）.
A. pressure release
B. backfire flame arrestor
C. automatic shut off
D. flow valve
[单项选择]The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering（）
A. spur geared
B. screw geared
C. worm geared
D. belt driven
