PE 1 Practice Test HVAC

What is the maximum operating pressure in an air duct system

• .5 in wc
• 2.0 in wc
• 6.0 in wc
• 10 in wc
• 603.3 IMC

A 2000 sq. ft. Type II dry cleaning system shall be provided with an exhaust no less than:

• 1500
• 2000
• 3000
• 4000
• 502.6.1 IMC

Combustion air ducts shall have a min. cross sectional dimension of:

• 1.5"
• 2"
• 2.5"
• 3"
• 304.6 IFGC

A bathroom in a dwelling unit must be provided with a minimum intermittent exhaust of:

• A. 15 cfm
• 25 cfm
• 40 cfm
• 50 cfm
• T403.3.2.3 IMC

A hot water heater boiler with a 5,000,000 BTU/Hr input shall have what minimum clearance from the top of the boiler to the ceiling?

• 2'
• 3'
• 7'
• 10'
• T1004.3.1 IMC

A 150,000 BTU residential furnace is located in a confined space where combustion is drawn from the outdoors through horizontal ducts. The minimum area for each of the 2 openings is:

• 38 sq. in
• 75 sq. in
• 150 sq. in
• 100 sq. in
• 304.6.1 Horiz. Use 2k IFGC

A heater installed in a public garage must be installed a minimum distance above the floor.

• 5'
• 7'
• 8'
• 10'
• 304.6 IMC

An acceptable method for sealing a grease duct is?

• Brazing
• Soldering
• Both A & D
• Welded
• 506.3.2.5 IMC

The burner on a gas hydronic heating system is controlled by

• thermostat
• valve solenoid
• Pressure gauge
• high—limit control
• 1027 MR&AC

A hydronic pipe system should be cleaned with water and after installation.

• Chlorine Bleach
• Silica Oxide
• Hydronic Sodium
• Trisodium Phosphate
• 1032 MR&AC