American Petroleum
Institute number viscosity index number
Seconds Saybolt Furol number
Seconds Saybolt Universal number
第1题：
An additive used to improve the ability of a lube oil to reduce friction is known as a/an
A.suppressant additive
B.dispersant additive
C.extreme pressure additive
D.viscosity improver additive
第2题：
Which of the following statements is correct regarding an oil with a high viscosity index?
A.A large change of viscosity occurs with a minor change in temperature
B.No change in viscosity occurs with any change in temperature
C.Very little change in viscosity occurs with a significant change in temperature
D.The viscosity of the oil increases with an increase in temperature
第3题：
A diesel engine exposed to widely varying ambient temperatures should use to a lubricating oil with .
A.a high viscosity index
B.a low viscosity index
C.neutralize acids
D.resist oxidation at high temperatures
第4题：
temperature
pumping rate
pressure
heat
第5题：
Since lubricating oils and jet fuels are acutely water critical，it is necessary to effect full line draining and mopping up of any water in tanks before loading ______．
A.purging with hydrocarbon gas
B.gas-freeing operations
C.maintaining an inert condition
D.full line draining and mopping up of any water
第6题：
The ability of lubricating oils to resist viscosity changes during temperature changes is indicated by the ____.
A.American Petroleum
B.Institute number viscosity index number
C.Seconds Saybolt Furol number
D.Seconds Saybolt Universal number
第7题：
The pour point of lubricating oils is affected the most by which of the following?
A.Extensive centrifuging
B.Wax content
C.Water content
D.Acid content
第8题：
viscosity
第9题：
Which interface provides the ability to see changes in real-time as they occur ？ （）
第10题：
reduce fuel weight
increase specific gravity
separate fuel from lube oil
reduce fuel viscosity