更多"According to the Chemical Data Guid"的相关试题:
[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]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,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]What does Peter do?()
A. He's good at fixing things.
B. He can speak good German.
C. He does the washingup after supper
D. He's a language teacher.
[单项选择]What does your father do?()
A. He is cleaning the street
B. He is forty
C. He is a farmer
D. He is all right
[单项选择]What does blowing tubes accomplish?()
A. Eliminates unburned fuel oil residues from the firebox
B. Increases boiler efficiency
C. Flushes away mineral deposits inside the water tubes
D. Cleans soot deposits from the inside of the stack
[单项选择]What does EPIRB stand for? ()
A. Emergency Position Indicating Radar Buoy
B. Electronic Pulse Indicating Radiobeacon
C. Emergency Position Indicating Radiobeacon
D. None of the above
[单项选择]What does ECDIS stand for?()
A. Electrical Chart Display and Indication System
B. Electronic Chart Display and Information system
C. Electric Chart Display and Information System
D. Electronic Chart Display and Indicating system
[单项选择]On navigational aids,what does the light characteristic Fl(2+1) mean?()
A. A flashing light combined with a fixed light of greater brightness
B. Light flashes combined in groups,with a different number of flashes in each group
C. A light showing groups of two or more flashes at regular intervals
D. A fixed light varied at regular intervals by groups of two or more flashes of greater brightness
[单项选择]What does not contribute to the commercial GPS receiver position error().
A. Satellite clock
B. Ship's speed
C. Atmospheric/ionospheric propagation
D. Receiver
[单项选择]On what does the operation of an aneroid barometer depend?()
A. Thin,metal,air tight cell
B. Curved tube containing alcohol
C. Column of mercury supported by atmospheric pressure
D. Expansion of mercury in a closed tube
[单项选择]In describing engine operation, what does the term “cycle” mean?()
A. The sequence of events that produce a power pulse
B. One rotation of the engine crankshaft
C. One stroke of a piston
D. All of the above
[单项选择]What does the "Inside Global" address represent in the configuration of NAT()。
A. the summarized address for all of the internal subnetted addresses
B. the MAC address of the router used by inside hosts to connect to the Internet
C. a globally unique, private IP address assigned to a host on the inside network
D. a registered address that represents an inside host to an outside network
[单项选择]What does salt water draft mean?().
A. It means summer draft
B. It means maximum draft
C. It means fresh water draft
D. It means seawater draft
[单项选择]What does the abbreviation VHF stand for?()
A. Vessel's Hoisting Flag
B. Very High Safety
C. Vessel's Homing Frequency
D. Very High Frequency
[单项选择]What does “VHF” stand for?()
A. echo sounder
B. radar
C. direction finder
D. radiotelephone
[单项选择]What does a pyrometer measure on a diesel engine? ()
A. Water temperature
B. Water pressure
C. Exhaust temperature
D. Air box pressure
[单项选择]In a switched environment, what does the IEEE 802.1Q standard describe?()
A. the operation of VTP
B. a method of VLAN trunking
C. an approach to wireless LAN communication
D. the process for root bridge selection
E. VLAN pruning vlan