海船船员考试
单选题The load between two steam-driven alternators operating in parallel may be adjusted by varying （）A the speed of the alternatorsB the field strength of the machinesC the power factor of the alternatorsD steam supply to the prime movers
题目
the speed of the alternators
the field strength of the machines
the power factor of the alternators
steam supply to the prime movers
相似问题和答案
第1题：
The operation of _______two alternators requires the voltages to be equal and also in phase
A.paralleling
B.series-mounting
C.running
D.controlling
第2题：
In which two locations in an enterprise network can an IPS sensor be placed?（）
- A、bridging VLANs on two switches
- B、bridging two VLANs on one switch
- C、between two Layer 2 devices withtrunking
- D、between two Layer 2 devices withouttrunking
- E、between a Layer 2 device and a Layer 3 device withtrunking
正确答案:C,D
第3题：
The division of kilowatt load between two paralleled alternators is determined by the
A.amount of field excitation of the leading machine
B.load-speed characteristics of the governors
C.amount of field excitation to the lagging machine
D.type of alternator
第4题：
Which three statements about anycast RP are true？ （）
- A、MSDP is running between anycast RPs
- B、Anycast RP provides redundancy and load-sharing capabilities
- C、Multicast BGP is running between anycast RPs
- D、In anycast RP，two or more RPs are configured with the same multicast IP address on loopback interfaces
- E、In anycast RP，two or more RPs are configured with the same unicast IP address on loopback interfaces
正确答案:A,B,E
第5题：
SQ L*Loader is a utility that can perform which two tasks？（）
- A、Load data from a disk， tape， or named pipes.
- B、Load data into an Oracle database using DML statements.
- C、Extract， reorganize， and insert data within an Oracle database.
- D、Load data from external files into tables in an Oracle database.
- E、Load data into an Oracle database using operating system commands.
- F、Load data directly from a non-Oracle database to an Oracle database.
正确答案:A,D
第6题：
The load sharing characteristics of two diesel generators operating in parallel are mostly dependent on their governor ______.
A.load limit settings
B.idle speed settings
C.speed limit settings
D.speed droop settings
第7题：
What are two characteristics of Server Load Balancing router mode？（）
- A、 The design supports multiple server subnets Cisco 642-874： Practice Exam
- B、 An end-user sees the IP address of the real server
- C、 SLB routes between the outside and inside subnets
- D、 The source or destination MAC address is rewritten， but the IP addresses left alone
- E、 SLB acts as a "bump in the wire" between servers and upstream firewall or Layer 3 devices
正确答案:A,D
第8题：
Diesel engines driving alternators operating in parallel must maintain a set frequency regardless of load changes. The governor characteristic used to accomplish this is known as _______.
A.actuation
B.sensitivity
C.compensation
D.promptness
第9题：
In which two locations in an enterprise network can an IPS sensor be placed？ （）
- A、 bridging VLANs on two switches
- B、 bridging two VLANs on one switch
- C、 between two Layer 2 devices with trunking
- D、 between two Layer 2 devices without trunking
- E、 between a Layer 2 device and a Layer 3 device with trunking
正确答案:C,D
第10题：
When load balancing traffic between two web servers， which of the following technologies provides the LOWEST cost solution？（）
- A、 Active/passive cluster
- B、 Active/active cluster
- C、 Log shipping
- D、 DNS round robin
正确答案:D