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单选题
When used in conjunction with a turbocharger, the main function of an after-cooler is to （）
A
increase the density of the cylinder air charge
B
prevent turbocharger overheating
C
liminate the need for a pre-cooler
D
remove moisture from air compressed by the turbocharger
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更多 “单选题When used in conjunction with a turbocharger, the main function of an after-cooler is to （）A increase the density of the cylinder air chargeB prevent turbocharger overheatingC liminate the need for a pre-coolerD remove moisture from air compressed by the turbocharger” 相关考题
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You define a multiple-row subquery in the WHERE clause of an SQL query with a comparison operator "=".What happens when the main query is executed?（）A、The main query executes with the first value returned by the subquery.B、The main query executes with the last value returned by the subquery.C、The main query executes with all the values returned by the subquery.D、The main query fails because the multiple-row subquery cannot be used with the comparison operator.E、You cannot define a multiple-row subquery in the WHERE clause of a SQL query.
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单选题A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the（）.A
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consists of 5 or more short blasts of the fog signal apparatusB
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单选题You define a multiple-row subquery in the WHERE clause of an SQL query with a comparison operator "=".What happens when the main query is executed?（）A
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The main query executes with the last value returned by the subquery.C
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单选题An advantage of nylon rope over manila rope is that nylon rope（）.A
can hold a load even when a considerable number of the yarns have been abradedB
can be stored on deck，exposed to sunlightC
can be used in conjunction with wire or spring-lay ropeD
gives audible warning of overstress whereas manila does not
考题
单选题In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the （）A
governor droopB
speeder spring tensionC
fuel rack lagD
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考题
单选题When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will（）A
lag behind the increased fuel supplied to the engineB
enter the engine along with the increase in the fuelC
enter the engine before the increased fuel supplyD
leave the turbocharger as a negative pulse
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单选题What is the purpose of a network mask?（）A
It is used in conjunction with the wildcard mask to determine the number of hosts on a networkB
It is used to define which parts of the IP address are allocated to host addresses and network prefixesC
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It is used to differentiate a network as a classful network or a classless network
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单选题When the engine room is put in standby condition, the engineer in charge of the watch need not to（）A
ensure all machinery which may be used during maneuvering is in readyB
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keep the main propulsion unit controls continuously attended when in the manual mode of operationD
ensure all machinery which may be used during maneuvering is running stably
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A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.B
A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.C
A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.D
A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.
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单选题下列定义Funct函数过程的语句，错误的是（）A
Private Public Funct（a）As IntegerB
Static Function Funct（a）C
Private Function Funct（a As Single）D
Function Funct（a As Integer）As Integer
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