Equipment used for inspection of inside portion of hollow chamber or narrow tube is known as _______
Right Answer is:
A borescope is an optical tool used to view areas that would otherwise not be visible. A borescope is inserted into the item being evaluated without destroying the item of interest. Light Source to illuminate the target under inspection.
The borescope is used to inspect an inaccessible space (such as an engine cylinder) or the inside portion of the hollow chamber.