Final answer:
During a pre-trip test, a student should look for signs of wear, cracks, or damage on hoses, which is crucial for vehicle safety and operational reliability.
Step-by-step explanation:
When performing a pre-trip test and examining hoses with an instructor, you should look for signs of wear, cracks, or damage. This is an important safety check to ensure that all components of the vehicle are in good working condition and to prevent any potential issues during operation. It's essential to carefully inspect each hose for any physical deficiencies or signs of deterioration, as these can lead to failures in the vehicle's systems.