更多"Eventually chemical changes（）the ge"的相关试题:
[单项选择]A (n) （） is a chemical or electro-chemical attack on the metal surface which may be further increased if the sea-water is polluted.
A. erosion
B. corrosion
C. cavity
D. scouring
[单项选择]PET属于（）
A. 克隆载体
B. 穿梭载体
C. 表达载体
D. 分泌载体
[单项选择]Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid lineIf excess moisture is present in the system, the indicator will （）
A. activate the driers
B. change color
C. secure the compressor
D. add a predetermined amount of liquid drier
[名词解释] 病理变化（pathologic changes）
[多项选择]A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?（）
A. The IOS image will be ignored.
B. The router will prompt to enter initial configuration mode.
C. The router will boot to ROM.
D. Any configuration entries in NVRAM will be ignored.
E. The configuration in flash memory will be booted.
[单项选择]A portable dry chemical fire extinguisher discharges by（）.
A. gravity when the extinguisher is turned upside down
B. pressure from a small CO2 cartridge on the extinguisher
C. air pressure from the hand pump attached to the extinguisher
D. pressure from the reaction when water is mixed with the chemical
[单项选择]Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.
A. cooling
B. smothering
C. oxygen dilution
D. breaking the chain reaction
[单项选择]Dry chemical fire extinguishers are effective on which type(s) of fire?（）
A. Burning oil
B. Electrical
C. Paint
D. All of the above
[单项选择]Chemical Tankers are generally referred to the cargo ships constructed or adapted and used for the carriage of（）.
A. liquid chemicals in bulk
B. solid chemicals in bulk
C. chemicals in bulk
D. cargoes in bulk
[单项选择]According to the Chemical Data Guide，epichlorohydrin is a(n)（）.
A. corrosive
B. class B poison
C. oxidizer
D. explosive
[单项选择]The use of sinking and dispersing chemical agents for removal of surface oil is（）.
A. the most common method used in the United States
B. too expensive for common use
C. generally safe to sea life
D. authorized only with prior approval of the Federal On-Scene Coordinator
[单项选择]The major source of chemical contaminants in hydraulic fluid is （）.
A. microscopic steel shavings
B. abrasive waste
C. anti-oxidant compounds
D. oxidation by-products
[单项选择]Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.
A. inspect
B. impairs
C. impacts
D. insects
[单项选择]The blowers of an inert gas generation system aboard a tanker，will be automatically secured if（）.
A. normal water supply at the water seal is lost
B. the temperature of the inert gas being delivered to the cargo tanks is more than 150°F
C. the cooling water supply to the scrubbers is lost
D. all of the above
[单项选择]When must a dry chemical fire extinguisher be recharged?（）
A. After each use
B. When the air temperature exceeds 90°F
C. Every 6 months
D. Every 12 months
[单项选择]When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.
A. over the top of the flames
B. off a bulkhead into the fire
C. in front of the fire
D. at the base of the fire
