Building Services Engineering 5th Edition Handbook

Heating 119
21. What is a ‘point’ in a building management system?
1. No such thing.
2. Water chiller, flow control valve and temperature sensors.
3. Water system.
4. Air-handling unit.
5. Printed circuit board in an outstation.
22. What opens and closes a water flow control valve or an air damper in a computer-based
building management system?
1. Electric or pneumatic motor.
2. Manually operated and wheel valves.
3. Hydraulic actuator.
4. Geared drive.
5. Winding gear.
23. Which of these are ‘controllers’ in a building management system?
1. An engineer sat at a personal computer.
2. The personal computer.
3. Printed circuit boards hidden away in metal or plastic boxes in plant rooms.
4. Water and air temperature sensors.
5. Hand-held devices.
24. Which of these may be found in a computer-based building management security system?
Choose as many as appropriate.
1. Armed guards.
2. Intruder protection bars at windows.
3. Digital or video camera recording.
4. Guard dogs.
5. Record of personnel movements.
6. Identity badging and door swipe cards.
7. Fibre-optic cable network communications.
8. Telephones.
9. Asset tracking e-tags.
25. Which of these comments are factually correct about a building management system and
are not just an opinion?
1. Physical security protection is now out of date.
2. Allows one person to control and monitor a large facility.
3. Digital recording cameras stop illegal break-ins and escapes.
4. Turn off the power source and it is useless.
5. RS232 and RS484 are types of automatic control system.
26. What does the mechanical services switchboard, MSSB, do?
1. Router for all telephone calls between Property Services staff.
2. Automatically controls all air conditioning and transportation systems on the campus.
3. It is the manually operated switchboard for all mechanical services systems within the
building.
4. Switches all the electrical sub-circuits for the whole building.
5. Only needed in buildings that do not have a computer-based building management
system.