To which part of the gauge should the sliding block be oriented when replacing it?

The sliding block of a nuclear gauge is designed to fit precisely within the gauge assembly to ensure accurate measurements. When replacing the sliding block, it is crucial to orient the top angled surface toward the top of the gauge. This specific alignment is vital as it allows the gauge to function correctly by enabling the appropriate movement and positioning of the block, ensuring that it interacts effectively with the internal mechanisms of the gauge.

Having the angled surface facing the correct direction helps maintain proper calibration and measurement accuracy. If the block is oriented inappropriately, it could result in misalignment, which may lead to erroneous readings and affect the overall performance of the gauge. The design of the gauge and the sliding block is intentionally such that it necessitates this specific orientation for optimal functionality and reliability in testing applications.