Which of the following are identified as service tests for aerial apparatus?

The identification of service tests for aerial apparatus is crucial to ensure their operational readiness and reliability during firefighting and rescue operations. The correct choice includes tests that directly assess the functionality and performance of the aerial apparatus under conditions it would typically face while in service.

The pressure control test evaluates the apparatus's ability to maintain and control pressure within the system, which is essential for effectively suppressing fires. The priming test checks the system's ability to prepare for water delivery, ensuring that water can be pumped quickly and efficiently when needed. The pumping test assesses the apparatus's pumping capabilities, confirming it can achieve the required flow rates and pressures essential for firefighting operations.

These tests are integral to validating the operational capabilities of an aerial apparatus, ensuring they meet safety and performance standards before being deployed in emergency situations. This thorough testing is essential as it directly impacts the effectiveness and safety of the apparatus during critical missions.

Other choices contain terms related to performance and operational aspects, but they do not specifically align with the recognized service tests that are standard for aerial apparatus. For instance, while load tests and balance tests are important, they focus more on the structural integrity and weight distribution rather than operational readiness in the context of emergency response.