1. What does HVAC stand for?

• 1. Heating, Ventilation, and Air Conditioning

• Heating, Ventilation, and Air Control

• Heating, Ventilation, and Air Circulation

• Heating, Ventilation, and Air Compression

1. In a basic vapour compression refrigeration cycle, what is the correct sequence of components the refrigerant passes through?

• Evaporator → Condenser → Compressor → Metering device

• 1. Compressor → Evaporator → Metering device → Condenser

• Compressor → Condenser → Metering device → Evaporator

• 1. Condenser → Evaporator → Metering device → Compressor

1. Which of the following is NOT a main component of HVAC systems?

• Chiller

• 1. Compressor

• Boiler

• Cooling Tower

1. What is the primary function of a Fan Coil Unit (FCU)?

• 1. To cool the air

• To heat the air

• To heat the air

• To circulate air

1. What type of air handling unit is typically used for capacities beyond 5 TR?

• Fan Coil Unit (FCU)

• Air Handling Unit (AHU)

• Fresh Air Handling Unit (FAHU

• Chiller

1. Which component is responsible for drawing in fresh air in a Fresh Air Handling Unit (FAHU)?

• Filter

• Fan

• Coil

• Damper

1. What is the purpose of the fill material in mechanical draft cooling towers?

• To increase airflow

• To maximize water exposure to airflow

• To reduce noise

• To support the structure

1. Which type of cooling tower relies on natural convection for air circulation?

• Induced Draft Tower

• Forced Draft Tower

• Natural Draft Tower

• Mechanical Draft Tower

1. What is a common material used for the fill in modern cooling towers?

• 1. Wood

• 1. PVC (polyvinyl chloride)

•  Steel

• Concrete

1. What is the main role of filters in an Air Handling Unit (AHU)?

• To cool the air

• To remove particles from the air

• To humidify the air

• To circulate the air