THEORETICAL CONCEPTS OF BUILDING SERVICES ENGINEERING

What are the two principal types of refrigeration plants found in industrial use?

• Vapour Compression Refrigeration (VCR) and Vapour Absorption Refrigeration (VAR)

• Only Vapour Compression Refrigeration (VCR)

• Only Vapour Absorption Refrigeration (VAR)

• None of the above

What happens to the refrigerant in the evaporator?

• It absorbs heat and evaporates

• It condenses and releases heat

• It remains in liquid form

• It is compressed

What is the main disadvantage of evaporative cooling?

• It is not efficient

• The air is rich in moisture

• It requires high energy

• It is expensive

What type of compressors are commonly used in industrial applications?

• Reciprocating

• Centrifugal

• Screw

• All of the above

What is the primary function of a centrifugal compressor?

• To compress refrigerant gas

• To cool air

• To heat water

• To control humidity

What is the function of fire hydrants?

• To extinguish fires

• To store water

• To measure water flow

• To regulate pressure

What is the maximum water temperature in hot water supplies?

• 60^o C

• 75^o C

• 70^o C

• 80^o C

What is the approach taken to reduce the impact on the environment, society and economy?

• Green Building

• Concrete Structures

• Traditional Buildings

• Wooden Houses

What are the benefits gained from implementing green buildings?

• Cost savings

• Increased energy efficiency

• Environmental protection

• All of the above

What challenges are faced in implementing green buildings in Malaysia?

• High construction costs

• Mental barriers

• Lack of expertise

• All of the above