A piano manufacturer employs piano technicians who inspect instruments before they are shipped to customers: a. When inspecting an instrument, Technicians apply specific Inspection Tests; more than one Test can be applied for an inspection. Each piano is inspected by at least one technician, and a technician can inspect more than one instrument. b. Inspection Test has a Test Number and Description. Some Tests are combinations of other Tests; a particular Test can be included in multiple combined Tests. c. Technicians are described by Employee ID and Name. d. Each instrument has a unique Instrument ID, manufacturing date, and instrument brand. e. For every time a technician inspects an instrument using a specific test we need to keep in the database the date of inspection and evaluation grade.

a. When inspecting an instrument, Technicians apply specific Inspection Tests; more than one Test can be applied for an inspection. Each piano is inspected by at least one technician, and a technician can inspect more than one instrument.

Explanation:

An Inspection test is a formal approach used to test a system or product such as machines, package, software. This can be done by dimension inspection, visual inspection, welding inspection, function test, factory acceptance test. Three major factors to be considered in the test plan include:

Test Coverage,

Test Methods, and

Test Responsibilities

There are specific inspection tests that should be applied when inspecting an instrument. A technician can apply more than one test type to assess the authenticity of a product. More than one technician is needed to ascertain the working mehanism of a machine to ensure it has no fault. A technician can inspect more than one instrument depending on his diversity of specialization.