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Condensate formed within the first-effect tube nest of a double-effect,low pressure evaporator, is removed by a （）.
A . series of baffles
B . crossover pipe
C . condensate separator
D . drain pum
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In its simplest form the pressure reducing valve is opened or closed by （） which is balanced by the downstream pressure acting on a diaphragm.
A . adjusting a nut
B . a pre-tensioned spring
C . any spring
D . upstream pressure
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In an oil cooler circulated by sea water, the oil is at a larger pressure the result being that any leak in the cooler will mean a loss of （）.
A . oil
B . sea water
C . refrigerant
D . fresh water
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When the opening pressure of a diesel fuel injector is greater than that specified by the engine manufacturer，the （）
A . quantity of fuel injected is decreased
B . quantity of fuel injected will always be increased
C . start of injection is advanced
D . duration of injection will always be greater
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A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of （）
A . vacuum drag from the auxiliary condensate system
B . individual vacuum pumps
C . a single non-condensing air ejector
D . a two stage air ejector
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In a general oil cooler circulated by sea water, the oil is at a higher pressure, the result being that any leak in the cooler will mean a loss of （）.
A . oil
B . sea water
C . air
D . fresh water
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Which of the following problems may occur if the opening pressure of a fuel injection nozzle is greater than specified by the engine manufacturer?（）
A . The amount of fuel injected will be increased
B . The start of injection will be retarded
C . The nozzle will permit fuel to dribble
D . The spray pattern will be distorted
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In the Northern Hemisphere，an area of counterclockwise wind circulation surrounded by higher pressure is a（）.
A . low
B . high
C . warm front
D . cold front
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You use—login-path to access a MySQL server on a Linux installation. Which statement is true about the – login-path option that is created by using mysql_config_editor?（）
A . All system users have access to the MySQL server via—login path local
B . login-path can be used only for MySQL servers running on a local machine
C . login-path allows you to provide login credentials without passing clear text passwords on the command line
D . When using – login-path to connect to a remote MySQL server, the remote server version must be 5.6 or later
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Low compression pressure in a diesel engine is caused by（）
A . low water in the expansion tank
B . improperly seated valves
C . low fuel oil pressure
D . worn or broken cylinder liner sealing ring
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The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust （）.
A . gas composition
B . gas temperature
C . pressure
D . timing
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The fresh air coming in through the inner air ports, is compressed by（） to a higher pressure.
A . the cylinder head
B . the cross-head
C . the moving piston
D . the stationary pisto
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A dirty fuel oil filter is can be detected by （） Ⅰ.fuel oil analysis Ⅱ.observing the pressure drop across the filter
A . Ⅰonly
B . Ⅱonly
C . eitherⅠorⅡ
D . neitherⅠnor
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Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this，you should（）.
A . install shoring so the shoring supports the damaged bulkheads without pushing on them
B . install shoring so that it pushes on the damaged bulkhead while supporting it
C . use jacks or chain falls to remove the set before installing shores
D . place sandbags by the bulkhead without installing shore
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Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this, you should（）.
A . install shoring so the the shoring supports the damaged bulkhead without pushing on them
B . install shoring so that it pushes on the damaged bulkhead while supporting it
C . use jacks or chain falls to remove the set before installing shores
D . place sandbags by the bulkhead without installing shore
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Which class is used to specify a set of features to support on the XrnlReader object created by the Create method？（）
A . XmlReaderSettings
B . XmlSecureResolver
C . XmlValidatingReader
D . XmlTextReaderSelectMany（c => c.CustomerAddresses）.Count（）
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The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a （）.
A . air bottle
B . air compressor
C . crank case
D . combustion chamber
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You scheduled a backup by using the Schedule Backup option in Oracle Enterprise Manager. Which statement about the script created by Oracle Enterprise Manager is true？ （）
A . It is a SQL script.
B . It is a PL/SQL file.
C . It is an operating system （OS） file.
D . It is a Recovery Manager （RMAN） script
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In a vapor compression refrigeration the evaporating pressure is maintained constant by the action of the （）, which removes vapor from the evaporator at the same rate at which it is formed.
A . evaporator
B . compressor
C . condenser
D . none of the above
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With supercharging a larger mass of air is supplied to the cylinder by blowing it in under pressure, which is the best means to （） of the engine.
A . increase the exhaust temperature
B . increase the power of
C . reduce the speed
D . increase the fuel consumptio
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Late fuel injection in a diesel engine is indicated by low firing pressure with（）
A . high exhaust temperature
B . low exhaust temperature
C . fuel knock in each cylinder
D . mechanical knock in each cylinder
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The metal powder is compacted by placing in a closed（)cavity under pressure in powder
A．A.plastic
B．B.metal
C．C.wood
D．D.sand
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Low compression pressure in a diesel engine is caused by___________.
A.low water in the expansion tank
B.improperly seated valves
C.low fuel oil pressure
D.worn or broken cylinder liner sealing rings
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A healthy 28-year-old woman stands up from a supine position. Moving from a supine to a standing position results in a transient decrease in arterial pressure that is detected by arterial baroreceptor
A．Mean circulatory filling pressure↑, Strength of cardiac contraction↑, Sympathetic nerve activity↑
B．Mean circulatory filling pressure↓, Strength of cardiac contraction↑, Sympathetic nerve activity↑
C．Mean circulatory filling pressure↓, Strength of cardiac contraction↓, Sympathetic nerve activity↑
D．Mean circulatory filling pressure↓, Strength of cardiac contraction↓, Sympathetic nerve activity↓
