海船船员考试
单选题Which of the conditions listed may occur in an operating diesel engine if air pockets form within the cylinder head circulating water passages? （）A Hydraulic stress and distortion will developB Hot spots will developC Fuel oil viscosity will increasedD
题目
Hydraulic stress and distortion will develop
Hot spots will develop
Fuel oil viscosity will increased
An increase in trapped deposits of scale and dirt
相似问题和答案
第1题：
Which of the listed classes of fire would most likely occur in the engine room of a vessel?
A.Classes A and B
B.Classes B and C
C.Classes C and D
D.Classes A and D
第2题：
valve will open later
valves will close later
amount of fuel injected will be increased
amount of fuel injected will be decreased
第3题：
Which of the listed conditions can be considered as the single greatest cause of accidents?
A.Speed
B.Excessive knowledge or skill
C.Human error
D.Excitement
第4题：
Dull black appearance
Bright appearance
Thin layer of lacquer
Thick oily film
第5题：
Exhaust temperature
Lube oil level
Lube oil pressure
Water level in the expansion tank
第6题：
Impeller
Compressor
After-cooler
Exhaust differ
第7题：
Decreased connecting rod bearing clearance
Increased connecting rod bearing clearance
Decreased compression ratio
Increased compression ratio
第8题：
Which of the listed devices may be used as a digital device?
A.variable resistor
B.diode
C.strain gauge
D.thermistor
第9题：
Loss of compression for that cylinder
Misfiring or rough running
Damage to the valve
All of the above
第10题：
High sulphur content fuel
High lube oil temperatures
High vanadium content fuel
Excessive piston slap