更多"A stumble may prevent a fall. （）"的相关试题:
[单项选择]Anchors are prevent from running out when secured by the（）.
A. brake
B. devil's claw
C. pawls
D. All of the above
[单项选择]According to the regulations，to prevent excessive pressure buildup in cargo tanks containing LFG，they are fitted with（）.
A. pressure vacuum relief valves
B. excess flow valves
C. safety relief valves
D. flame screens
[单项选择]The ability of the governor to prevent fluctuations in engine speed is termed （）.
A. sensitivity
B. stability
C. promptness
D. speed droop
[单项选择]Fire dampers prevent the fire spreading through the process of （）.
A. convection
B. conduction
C. radiation
D. direct contact
[单项选择]To prevent loss of stability from free communication flooding you should（）.
A. close the cross-connection valve between the off-center tanks
B. completely flood high center tanks
C. ballast double bottom wing tanks
D. close any opening to the sea in an off-center tank
[单项选择]To prevent damage by and to storage batteries aboardsmall passenger vessels they should be located（）.
A. in trays constructed of material that is resistant to the electrolyte
B. so as to prevent movement when the vessel pitches and rolls
C. in a well ventilated area
D. All of the above
[单项选择]Stanchions prevent the entire deck load on a ship from being carried by the（）.
A. bulkheads
B. stringers
C. frames and beam brackets
D. deck longitudinals
[单项选择]To prevent the unnecessary loading of an air conditioning system while maintaining the designed dry bulb temperature and relative humidity in an air conditioning system, you should （）
A. admit only enough fresh outside air to provide proper ventilation
B. reduce the air reheating system load
C. lower the compressor head pressure
D. operate the purge recovery unit continuously
[单项选择]To prevent the riser system from buckling under its own weight，upward tension is provided by the（）.
A. riser stabilizers
B. guideline tensioning system
C. riser tensioning system
D. guideline stabilizers
[单项选择]Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）
A. Holding the valve open for a long period
B. Increasing the starting air pressure used
C. Opening the stating air valve quickly
D. Reducing the starting air valve size
[单项选择]Please choke up the drums to prevent（）.
A. moving
B. movement
C. from the movement
D. them from moving
[单项选择]To prevent a wooden hull from leaking you caulk it（）.
A. after drydocking，while the hull is moist
B. after drydocking，and the hull has dried
C. afloat，where it is leaking
D. afloat，in all accessible areas
[单项选择]The safest procedure used to rig a guy and preventer is to have the guy（）.
A. and preventer have equal stress
B. stronger than the preventer to minimize the danger of separation
C. take a lighter load than the preventer as a safety factor
D. take the stress in case the preventer parts
[单项选择]Placing a lashing across a hook to prevent a fitting from slipping out of the hook is called （）.
A. faking
B. flemishing down
C. mousing
D. worming
[单项选择]The air reservoirs must have （） fitted to prevent rupture in the event of fire.
A. high pressure alarm
B. fire alarm
C. extinguishers
D. fusible plugs
[单项选择]What is used to prevent twisting of a towing bridle?（）
A. A bitt
B. A bulkhead
C. A V-spring
D. A fishplate
[单项选择]To prevent the overflow of cargo tanks due to expansion, you should top off （）.
A. to the bottom of the expansion trunk
B. to within 1% to 3% of its capacity
C. to within 1% to 3% inches of its capacity
D. 1 to 3 inches from top of the vent pipe
[单项选择]To prevent the build up of high stresses engine must not be run continuously （）.
A. faster than dead slow speed
B. slower than dead slow speed
C. with the output of MCR
D. at critical speeds
