G2 EXAM. ( EXAM 22) Solved 100% Correct!!

What is the largest propane cylinder manufactured TSSA Q a. 240 pounds WC (108 kg) b. 300 pounds WC (136 kg) c. 420 pounds WC (190 kg) d. 1000 pounds WC (454 kg) - c. 420 pounds WC (190 kg) Excessive gas pressure on the downstream side of a lock-up type pressure regulator can be caused by TSSA Q a. An oversized vent line b. An oversized supply line c. A restricted supply line d. A blocked vent line - d. A blocked vent line When a baffle is required to prevent the direct entry of rain into air supply opening, by how much can the baffle reduce the required free area of the opening? TSSA Q a. 0% b. 1% c. 3% d. 5% - a. 0% The first stage regulator installed indoors in a domestic application TSSA Q a. Will eliminate fluctuating gas pressure b. Does not have to be protected c. Must be protected within a cage d. Is not permitted - d. Is not permittedThe minimum required numbered of air changes per hour (ACH) in a residence to maintain a healthy indoor air quality is TSSA Q a. 1/3 ACH b. 1ACH c. 2ACH d. 3ACH - b. 1ACH A leak limiting device on a regulator TSSA Q A. Allows a controlled safe amount of leakage if the diaphragm ruptures B. Shuts off completely if the diaphragm ruptures C. Routes all leaking gas back into piping system if the diaphragm ruptures d. Shuts off all pilot lights if the diaphragm ruptures -A. Allows a controlled safe amount of leakage if the diaphragm ruptures When type "B" vent passes through a floor or ceiling, the installation requires the use of a TSSA Q a. Fire stop spacer b. Ventilated thimble c. Sleeve d. Unventilated thimble - a. Fire stop spacer The customer should call for service when the electronic air cleaner TSSA Q a. Indicator light is on when the fan is on b. Indicator light is off when the fan is on c. Makes snapping noises on occasion d. Test button does not illuminate - b. Indicator light is off when the fan is on