更多"（） neutralizes the acid conditions "的相关试题:
[单项选择]Weather conditions in the middle latitudes generally move（）．
A. Eastward
B. Westward
C. Northward
D. Southward
[单项选择]The three conditions which cause engine shutdown are overspeed，low lube oil pressure，and（）.
A. High lube oil pressure
B. High jacket water pressure
C. High jacket water temperature
D. Low jacket water pressure
[单项选择]Which of the following conditions will develop if the flow of ‘raw’ cooling water to diesel engine is obstructed?（）
A. Air will enter the cooling system
B. Carbon will plug the water cooled exhaust manifolds
C. The jacket water temperature will rise
D. The lube oil viscosity will increase
[单项选择]Operating conditions in the crank chamber are very （） those in the cylinder.
A. the same as
B. similar to
C. separated from
D. different from
[单项选择]Which of the following conditions could cause the feed pump for an auxiliary boiler to lose suction?（）
A. Increased suction head pressure
B. Decreased feedwater temperature
C. Pump recirculating line being open too much
D. Excessive feedwater temperature
[单项选择]Which of the following conditions may contribute to the formation of deposits on the blades of the turbocharger turbine?（）
A. Poor combustion
B. High cylinder oil consumption
C. Leaking exhaust valves
D. All of the above
[单项选择]Under normal weather and sea conditions when securing a stack of containers with twist locks，lashings are required when the tier exceeds what height? （）
A. Lashings are always required
B. One container
C. Two containers
D. Three containers
[单项选择]Which of the listed operating conditions would have the greatest effect on the volumetric efficiency of an operating reciprocating air compressor?（）
A. The density of the air entering the compressor
B. The temperature of the air entering the compressor
C. The designed rotating speed of the compressor
D. A leaking head gasket
[单项选择]Which of the following conditions may be attributed to a fouled turbocharger compressor inlet screen or filter?（）
A. Decreasing scavenge air pressure
B. Increasing exhaust temperatures before the turbine
C. Reduction in engine speed
D. All of the above
[单项选择]When to remove scale from the cooling spaces, acid solution （） in the system can be tested from time to time by putting some on to a piece of lime.
A. strength
B. dense
C. percentage
D. velocity
[单项选择]下面不属于ACID限制的是（）。
A. 原子性
B. 隔离性
C. 持久性
D. 共享性
[单项选择]Routine maintenance of lead acid batteries should include （）.
A. keeping the terminals clean
B. coating cable connections with petroleum jelly
C. maintaining a trickle charge
D. All of the above
[单项选择]Sulfuric acid is a（）.
A. clear syrupy liquid with no odor
B. colorless-to-brown liquid with a choking odor when hot
C. colorless liquid with a pleasant fruity odor
D. whitish liquid with a faint，pleasant odor
[单项选择]Under identical load conditions，nylon，when compared with natural fiber line，will stretch（）.
A. less and have less strength
B. more and have less strength
C. more and have greater strength
D. less and have greater strength
[单项选择]Which of the following conditions is realized by the turbo-charging of a previously naturally aspirated diesel engine?（）
A. Ignition lag increases
B. Lube oil system pressure increases
C. Brake specific fuel consumption increased
D. Mechanical efficiency increaded
[单项选择]Under normal conditions, the quantity of air circulation becomes less and less.What is the reason?（）
A. dirty delivery ducts
B. too much refrigerant
C. the fouling filters
D. high temperature outside
[单项选择]Which of the following conditions is most likely to occur when unburned fuel contaminates the crankcase of a diesel engine?（）
A. Lube oil is diluted and its viscosity is reduced
B. Sulfuric acid is formed
C. Bearings become pitted ad immediately fail
D. Valve stems develop sludge deposits
[单项选择]Which of the listed conditions will cause the feed water that has not flashed to vapor in the first-stage of a flash evaporator, to flow into the second-stage?（）
A. Gravity siphon effect
B. Higher vacuum in the second-stage
C. Difference in brine density between first and second stages
D. lower pressure in first-stage
