What Is the Primary Function of a Relay Valve

question 12

Multiple Choice

What is the primary function of a relay valve?

• A) remote controlled service brake valve
• B) relays pressure from the primary circuit to the secondary circuit
• C) relays governor signal pressure to the unloader pistons
• D) routes hold-off air to the hold-off chambers

Identify the structure and function of the trachea.

Recognize the anatomy and role of the pharynx in the respiratory system.

Understand the significance and functionality of the larynx, including its relationship with vocal cord production.

Differentiate between different parts of the respiratory system and their specific functions.