Which of the following is a common cause of problems during pump operations?

Air leaks on the pump intake are a common cause of problems during pump operations because they can significantly affect the ability of the pump to draw water efficiently. When air leaks occur, they can create a situation known as "cavitation," where the pressure in the pump intake drops below the vapor pressure of the liquid, causing the formation of vapor bubbles. These bubbles can collapse violently within the pump casing, leading to damage, inefficient pumping, and reduced flow.

Additionally, air leaks can lead to inconsistent water supply, making it difficult to maintain the necessary pressure for effective firefighting. This can result in reduced water flow at the nozzle, compromising the firefighting effort and increasing the risk of fire spread.

Understanding the importance of airtight connections and the potential for air leaks during pump operations is crucial for ensuring optimal performance and reliability in firefighting scenarios. Addressing air leaks effectively can lead to enhanced efficiency and safety during pump operations.