Pass the International Code Council Commercial Inspector M2 Questions and answers with ExamsMirror

ICC mechanical access provisions for appliances in attics require the passageway to be not more than 20 feet in length , measured along the centerline of the passageway from the opening to the appliance, where the attic passageway is the standard reduced-height access condition. Since the attic height given is 66 inches, the standard maximum length applies, so Option C is correct. The 50-foot allowance applies only under a different exception where the passageway is unobstructed and at least 6 feet high for its entire length.

This question appears to contain a wording issue. In ICC flood-related provisions tied to ventilation/flood openings, the governing limit is that the opening location is not more than 1 foot relative to the reference grade condition used for flood-opening compliance. That corresponds to 1 foot , so Option C is the best-supported answer.

For a single-wall vent connector serving one appliance, the maximum horizontal length is determined from the vent connector sizing and length rules. For a 5-inch diameter connector with a 10-foot vent height , the permitted maximum horizontal length is 7.5 feet . Therefore, Option B is correct.

Based on the equipment schedule shown in the exhibit, EF-2 is listed with a motor size of 1.5 horsepower . Therefore, the correct answer is C .

The IFGC requires the appliance shutoff valve to be located in the same room as the appliance and within 6 feet of the appliance . Therefore, the correct answer is A .

ICC clearance-reduction tables allow a listed clearance of 18 inches to be reduced to 9 inches where 24-gauge sheet metal is installed with a 1-inch ventilated airspace from the combustible wall. Therefore the correct answer is the option corresponding to 9 inches , which is B in your set.

Under the ICC administrative provisions used with the mechanical code, one approved set is retained by the code official, and one approved set is returned to the applicant. The returned set must be kept on the site of the building or job while the authorized work is in progress. That directly matches Option A . It does not require return to the architect, filing with the county clerk, or retention for one year after completion.

Solid-fuel cooking equipment requires a separate hood and exhaust system . It is not permitted to share the same hood/exhaust arrangement in the manner suggested by the other choices. This is a standard commercial kitchen exhaust requirement because of the added fire and residue hazards associated with solid-fuel appliances.

The ICC mechanical code provision for infrared radiant heaters states that the heaters must be installed with clearances from combustible material in accordance with the manufacturer’s installation instructions . That makes Option D the correct answer. The code does not establish a blanket 6-foot clearance on all sides in this section, and the exam expects the candidate to rely on the listed installation requirements for the appliance.

Corridor damper testing under the referenced standard requires acceptable closure performance at 150 fpm across the face of the damper. Therefore Option C is correct.