SHI Codes Compliance & Performance Testing 2

Question 1

Which ASHRAE standard provides guidelines for the testing and rating of solar collectors used in domestic water heating systems?

Accepted Answer

ASHRAE 93

Answer

ASHRAE 93 establishes methods of testing for rating solar collectors used in liquid-cooled and air-heating systems.

Question 2

Under the International Residential Code (IRC), a solar thermal system installed on a roof must be designed to withstand which load combination?

Accepted Answer

Dead, live, wind, and snow loads as applicable

Answer

The IRC requires rooftop-mounted solar equipment to be engineered for all applicable load combinations including dead, live, wind, and snow loads.

Question 3

Which organization certifies solar water heaters and issues the OG-300 certification mark?

Accepted Answer

SRCC (Solar Rating and Certification Corporation)

Answer

SRCC OG-300 is the industry-standard certification for complete solar water heating systems sold and installed in the U.S.

Question 4

When a solar thermal installation requires a building permit, which document typically accompanies the permit application to show the system layout?

Accepted Answer

Scaled installation drawings or plans

Answer

Building departments require scaled installation drawings showing equipment placement, piping routes, and structural attachments before issuing a permit.

Question 5

A solar thermal system's thermal performance is often expressed as the annual solar fraction. What does a solar fraction of 0.70 mean?

Accepted Answer

The system provides 70% of the annual water heating load from solar energy

Answer

Solar fraction represents the proportion of the total annual water heating energy demand supplied by the solar system.

(SHI) Solar Heating Installer Certification Practice Test

(SHI) Solar Heating Installer Certification Practice Test

SHI Codes Compliance & Performance Testing 2