What are the parts of the Power ventilation?

• A. A battery and switch.
• B. Ductwork to allow fresh air into the compartment, you have an exhaust blower mounted within the exhaust ducting to allow the air to exit the compartment.
• C. Filter and fan.
• D. A water pump and hose.

Answer: (B)

Power ventilation works by moving air through a space using a blower and a system of ducts. The key parts are ductwork that brings fresh air into the compartment and an exhaust blower placed in the exhaust duct to push air out. As the blower removes air from the space, fresh air is drawn in through the intake pathway, creating an effective air exchange. This setup specifically describes how the air flow is created and directed, which is why it best matches the concept of power ventilation. A battery and switch describe a power source, not the ventilation path; a filter and fan alone don’t specify the ducting that moves air; and a water pump and hose are unrelated to ventilation.