The cetane number has no affect on injection lag
The cetane number is an indication of the fuel’s viscosity
Ignition lag is reduced with fuels having a high cetane number
The cetane number is of little significance in the combustion
第1题：
Which of the following represents a wiring standard for twisted pair cables?（）
第2题：
Which of the following represents a safety hazard？（）
第3题：
Which of the following represents the significance the fuel oil cetane number?
A.The cetane number has no affect on injection lag
B.The cetane number is an indication of the fuel's viscosity
C.Ignition lag is reduced with fuels having a high cetane number
D.The cetane number is of little significance in the combustion process
第4题：
Yellow "hump".
Day.
Sun.
Hydrogen fuel.
第5题：
The internet address 198.102.27.120 represents which of the following addresses？（）
第6题：
The "1000" in 1000BaseT cabling represents which of the following?（）
第7题：
Which of the following describes what the number two represents in l00Base2 cabling?（）
第8题：
Which of the following problems is the main source of fuel pump and injection system malfunctions?
A.Improper lubrication
B.Air in the fuel system
C.Coated fuel lines
D.Excessive vibration
第9题：
Chain reaction
Thermal action
Chemical occlusion
Pyrotechnical reaction
第10题：
Improper lubrication
Air in the fuel system
Coated fuel lines
Excessive vibration