Which of the following statements is true regarding the operation of a drill?

The statement that drilling depth should be constantly checked for accuracy is true because ensuring the correct depth is critical in aerospace assembly and manufacturing processes. Accurate drilling depth is essential to avoid compromising the structural integrity and functionality of the components being worked on. Regular checks help maintain consistency throughout the operation, prevent over-penetration or under-penetration, and ensure that the specifications are met according to design requirements.

In aerospace applications, even slight deviations in hole depth can lead to severe safety issues or component failure. Thus, accuracy not only affects the immediate task but also has broader implications for overall system performance and reliability.

Other operational practices, such as using maximum speed or neglecting safety precautions, can lead to hazards and inaccuracies. Unmonitored operations do not allow for adjustments or corrections, which are vital for maintaining the quality and safety standards required in aerospace applications.