海船船员考试
单选题Which of the following methods is normally used to control the temperature of air distributed from individual cooling coils in an air conditioning system using a chilled water circulation system?（）A A room thermostat activates an electric heater at eac
题目
A room thermostat activates an electric heater at each individual chilled air outlet when necessary
Varying the number of passes the air makes across the coils
Varying the temperature of the water through the coils
Varying the quantity of water flowing through the coils
参考答案和解析
相似问题和答案
第1题：
You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose three)
A. Congestion avoidance
B. Windowing
C. Cut-through
D. Buffering
E. Load Balacing
F. Fast Forward
A,B,D
第2题：
A site administrator is configuring Resource-level access control. Which of the following statements about Resource-level access control are true？ Resource-level access control policies：（）
- A、are optional
- B、are used to protect data beans
- C、provide coarse-grained access control
- D、never specify a relationship
正确答案:A,B
第3题：
For every situation, several methods usually exist for effective communication to take place. Which of the following is least likely to be used for explaining to the team project planning guidelines?
A project office memo
B project office directive
C project team meeting
D formal report
E counseling sessions
第4题：
Which device is normally used to translate telephone numbers or names to IP addresses for call routing in an H.323 network？ （）
- A、call agent
- B、IP phone
- C、multipoint control unit
- D、gatekeeper
正确答案:D
第5题：
Which of the following can be used to kill a running process?（）
- A、Control Panel
- B、Computer Management
- C、Task Manager
- D、Add/Remove Programs
正确答案:C
第6题：
Which of the following connector types is used with twisted pair cable?（）
- A、 T-Connector
- B、 BNC
- C、 RJ-45
- D、 LC
正确答案:C
第7题：
Which of the following utilities can be used to determine the current partition information on an attached storage device？（）
- A、Add Hardware Wizard
- B、Device Manager
- C、Disk Management
- D、Control Panel
正确答案:C
第8题：
Which of the following methods is used to increase the number of processes sharing the CPU？
A．Interrupt
B．Scheduler
C．Swapping
D．Working Set
第9题：
Which three of the following network features are methods used to achieve high availability（）
- A、Spanning Tree Protocol（STP）
- B、Delay reduction
- C、Hot Standby Routing Protocol（HSRP）
- D、Dynamic routing protocols
- E、Quality of Service（QoS）
- F、Jitter management
正确答案:A,C,D
第10题：
Which of the following encryption methods is often used along with L2TP？（）
- A、S/MIME
- B、SSH
- C、3DES
- D、IPSec
正确答案:D