更多"According to the Chemical Data Guid"的相关试题:
[单项选择]According to the Chemical Data Guide，which reactive group(s) is/are not compatible with the products polybutene and o-xylene? （）
A. Nitric acid
B. Amides
C. Alcohols，glycols
D. Phenols，cresols
[单项选择]According to the Chemical Data Guide，what does ethyl chloride produce when ignited?（）
A. Toxic fumes of oxides of nitrogen
B. Toxic fumes of lead
C. Poisonous phosgene gas
D. Poisonous chlorine gas
[单项选择]According to the Chemical Data Guide，when burning，the grade B flammable liquid，carbon disulfide produces（）.
A. phosgene gas
B. sulfuric acid gas
C. sulfur dioxide gas
D. carbon tetrachloride
[单项选择]According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）
A. Colorless liquid，mild aromatic odor
B. Pale yellow liquid，strong odor
C. Colorless liquid，faint odor
D. Straw-colored liquid，sweet-odor
[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]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
[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
[多项选择]计量型Data与计数型Data比较，计量型Data一般：（）。
A. 易于收集，计算
B. 易于方便检测
C. 收集的Data较小
D. 提供的信息较多
[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]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]According to the international regulations concerning the prevention of pollution of sea areas from ships, the disposal into the sea of all plastics is （）.
A. welcome
B. admitted in some special sea areas
C. prohibited
D. acceptable
[单项选择]Eventually chemical changes（）the generation of petroleum.
A. hand in
B. give in
C. take in
D. result in
[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
