CPI Blueprints, Schematics, & Specifications 2

Question 1

On a wiring schematic, a dashed line between two components typically indicates what type of connection?

Accepted Answer

A mechanical or shielded connection

Answer

Dashed lines on schematics commonly represent mechanical linkages, shielded cables, or connections that are not direct electrical conductors.

Question 2

A specification document lists materials as 'approved equals.' What does this mean for the installer?

Accepted Answer

Substitutions must be pre-approved by the engineer or architect

Answer

'Approved equals' means substitutions are permitted only if they are reviewed and accepted by the project engineer or architect before installation.

Question 3

Which section of a construction specification set defines the administrative requirements, bidding procedures, and general conditions?

Accepted Answer

Division 00 — Procurement and Contracting

Answer

Division 00 covers procurement and contracting requirements including bidding documents, agreements, and bonds.

Question 4

On a blueprint, a 'cloud' or bubble drawn around a section of the drawing indicates:

Accepted Answer

A revision or change made since the last issued drawing

Answer

Revision clouds are used to highlight areas of a drawing that have been altered in the latest revision, alerting reviewers to changes.

Question 5

What does 'NTS' written next to a dimension on a drawing mean?

Accepted Answer

Not To Scale

Answer

NTS stands for 'Not To Scale,' warning the reader that the drawn proportions do not accurately represent real-world dimensions.

(CPI) Certified Professional Installer Practice Test