海船船员考试
单选题The lube oil cooler is located after the lube oil filter in order for （）A the filter to operate more efficientlyB the lube oil cooler to be bypassedC positive lube oil pump suction to be assuredD galvanic action in the cooler to be minimized
题目
the filter to operate more efficiently
the lube oil cooler to be bypassed
positive lube oil pump suction to be assured
galvanic action in the cooler to be minimized
相似问题和答案
第1题：
using a slightly dirty air filter
using oil having an excessive viscosity
intercooler or after-cooler leaks
carrying the oil level higher than normal
第2题：
crankcase
low lube oil temperature
excessive oil consumption
low bearing oil pressure
第3题：
A dirty diesel engine oil filter element can best be detected by ______.
A.visual inspection of the elements
B.the pressure drop across the filter
C.high lube oil sump temperature
D.decrease in oil viscosity from the filter
第4题：
open the filter and inspect the elements
check the lube oil pump discharge pressure
check the lube oil header pressure
check the pressure drop across the filter
第5题：
excessive crankcase pressure
excessive lube oil temperature
contamination of the lube oil by water
contamination of the cooling water by lube oil
第6题：
allow filtration of less viscous oil
decrease the pressure drop across the filter
improve overall filtration
all of the above
第7题：
visual inspection of the elements
the pressure drop across the filter
high lube oil sump temperature
decrease in oil viscosity from the filter
第8题：
Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of ______.
A.refrigerant bubbles in the lube oil
B.refrigerant reducing the lube oil viscosity
C.oxidation(氧化) of the lube oil from overheating
D.reducing the floc or cloud point of the oil
第9题：
when
how
where
whether
第10题：
acid
fuel oil
sediment
water