更多"The primary hazard of liquefied pet"的相关试题:
[单项选择]The weight of liquefied petroleum gas vapors as compared to air is（）.
A. variable
B. the same
C. lighter
D. heavier
[单项选择]A fire of escaping liquefied flammable gas is best extinguished by（）.
A. cooling the gas below the ignition point
B. cutting off the supply of oxygen
C. stopping the flow of gas
D. interrupting the chain reaction
[单项选择]If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
A. Make periodic inspections of bilges
B. Keep the barge under constant surveillance
C. Have a properly certificated tankerman or at least one licensed officer on board the towing vessel
D. Verify ullage readings
[单项选择]北京公交车所用液化天然气（Liquefied Natural Gas）主要成分为（）
A. 液体甲烷
B. 液体乙烷
C. 液体丙烷
D. 液体丁烷
[单项选择]One of the principal dangers inherent in liquefied petroleum gas is（）.
A. as it warms up it becomes heavier than air
B. the way it reacts with sea water
C. the strong odor it produces
D. its low temperature causes frostbite or freezing
[单项选择]Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.
A. cargo pump failure
B. blower failure
C. deck seal low water level
D. low inert gas temperature
[单项选择]The principal personnel hazard unique to Halon extinguishers is（）.
A. displacement of oxygen
B. skin irritation
C. inhaling toxic vapors
D. eye irritation
[单项选择]The American Petroleum Institute recommends magnetic particle inspection for（）.
A. anchor chain
B. wire rope
C. connecting links
D. pendant wires
[单项选择]Hot gas defrosting uses the hot gas from （） to defrost the evaporator.
A. starting air bottles
B. diesel engines
C. boilers
D. refrigeration compressors
[单项选择]The American Petroleum Institute recommends that connecting links and anchor shackles be inspected using（）.
A. visual examinations
B. magnetic particle inspection
C. dye penetrant inspection
D. x-ray inspection
[单项选择]In order to determine the health hazard data for carbolic acid，you would use that information contained in the Chemical Data Guide for which chemical?（）
A. Acetic oxide
B. Carbinol
C. Carbon bisulfide
D. Phenol
[单项选择]A major health hazard of the product tert-butylamine is that it （）.
A. can be absorbed through the skin
B. causes irreversible damage to eye tissue
C. is a very unstable product
D. All of the above
[单项选择]Which of the petroleum products listed has the lowest flash point?（）
A. Hydraulic oil
B. Lubricating oil
C. Diesel oil
D. Refrigeration oil
[单项选择]Which hazard probably would NOT be encountered when entering an empty but uncleaned fish hold?（）
A. Lack of oxygen
B. Methane gas
C. Hydrogen sulfide gas
D. Carbon monoxide
[单项选择]Gas masks（）.
A. should be worn while fighting a fire
B. can be used in atmospheres deficient in oxygen
C. filter contaminants from air that is to be breathed
D. may be substituted for a self-contained breathing apparatus
