更多"Which of the following equipment is"的相关试题:
[单项选择]Which of the following equipment can not be used for the waste heat recovery of the M/E to further improve its thermal efficiency?()
A. M/E turbocharger
B. exhaust gas boiler
C. incinerator
D. fresh water generator
[单项选择]Which of the following equipment is for protection against drowing?()
A. Safety helmets
B. Buoyance aids
C. Breathing apparatus
D. Immersion suits
[单项选择]Which of the following equipment is for respiratory protection?()
A. Safety helmets
B. Goggles and sepctacles
C. Breathing apparatus
D. Gloves
[单项选择]Which of the following equipment is not pollution prevention equipment?()
A. oily water separator
B. sewage treatment plant
C. fuel oil separator
D. incinerator
[单项选择]Which of the following equipment is for body protection?()
A. Safety helmets
B. Goggles and sepctacles
C. Breathing aparatus
D. Safety suits
[单项选择]Which of the following equipment is for face and eye protection?()
A. Safey helmets
B. Goggles and spectacles
C. Breathing apparatus
D. Gloves
[单项选择]All the following equipment can be used to identify the position of the vessel in distress except().
A. AIS
B. LRIT
C. VDR
D. GPS
[单项选择]Which of the following statements represents the FIRST precaution to be taken prior to working on any installed electrical component ()
A. Wear rubber gloves and boots
B. Use only approved non-conducting tools
C. Ground the case of the machine before beginning any repairs
D. Open the supply circuits and tag the switches
[单项选择]Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?()
A. Control the amount of lube oil burned in the combustion chamber
B. Transmit heat from the piston to the cylinder liner
C. Prevent damage to ring groove inserts by acting as a heat dam
D. Dissipate combustion chamber gas pressure by channeling it through the ring gap
[单项选择]As to the bearing, of the following, which statement is not true?()
A. ff overheat is found, the engine must be stopped for inspection
B. Much heat of the crankcase door indicates that the bearing is overheated
C. If bearing clearance is too large, knocking will be heard in the crankcase
D. If bearing clearance is too large or too small, the white metal may be melted
[单项选择]As to the piston cooling, of the following, which statement is not true?()
A. Because the piston is exposed to very high temperature, it must be cooled
B. The lower the piston cooling temperature is, the better it is
C. Both water and lube oil can be used as coolant
D. One of the piston cooling methods is vibration cooling, with better effect
[单项选择]The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is()
A. the rotate speed fluctuation
B. the ventilation tube clogged
C. the main engine accelerate so fast
D. stormy waves
[单项选择]Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?()
A. hydraulic pumps
B. valves
C. hydraulic cylinders
D. hydraulic motors
[单项选择]Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?()
A. salinity
B. temperature
C. the hydrostatic pressure
D. Vessel’s speed
[单项选择]Which document lists all the lifesaving equipment required for a vessel? ()
A. Certificate of Inspection
B. American Bureau of Shipping Classification Certificate
C. International Convention for the Safety of Life at Sea Certificate
D. Certificate of Registry