ABYC Systems Certification Exam - Questions and Answers Which of the following is a typical working pressure of LP gas (after the pressure regulator)?
... [Show More] a. 0.4 PSI b. 14 PSI c. 24 PSI d. 300 PSI According to ABYC, all of the following considerations need to be given to evaporator condensate drains, EXCEPT: A. contain a P-trap to prevent ingress of CO B. the diameter of the drain C. drains overboard or into a bilge area other than shared by an engine D. orient the containment pan to facilitate complete drainage "Hammering" or pulsation in a potable water system is often prevented by the addition of a _______ to the system. a. Accumulator b. Relief Valve c. Manifold d. Flex Tube Which of the following may have a check valve that might need to be removed during winterization? a. Water Tank b. Water Heater c. Control Valve d. Relief Valve A Type 1 sanitation system is designed to permit: A. direct untreated overboard discharge of waste B. use of a holding tank only C. treat then discharge overboard D. treated and then held in the holding tank Use of an incorrect type of sanitation hose could cause all of the following except: A. Fire B. Bad odor due to permeation C. System blockage D. Flooding on board Based on ABYC, metal fuel tanks installed above flat surfaces should be separated from the surface by at least A. 1" B. 1/2" C. 1/4" D. There is no requirement Composite materials used to construct portable water tanks must be approved by: A. EPA B. OSHA C. NFPA D. FDA Serious consideration must be made regarding the venting of potable water tanks to prevent the ingress of all the following EXCEPT: A. Air B. Sea Water C. Mosquitos D. Gray Water According to the USCG, all seacock s should be fitted with: A. Double hose clamps B. Single hose clamps C. Warning labels D. None of the above (USCG does not make recommendations for seacocks) Of the materials listed, which is the most susceptible to a type of corrosion known as "crevice" corrosion? A. Mild Steel B. Silicon Bronze C. Aluminum D. Stainless Steel Sink drains that exit below the water line are: A. Exempt from seacock requirements B. Required to have a P-trap C. Required by USCG to have a seacock D. Required by ABYC to have a seacock Raw water intakes are best fitted with: A. Wire reinforced hose B. Clear PVC hose C. Correlated Bilge Pump Hose D. Braiding Vinyl Hose When selecting a fuse for bilge blower installation, it is important to: A. Size based totally on wire gauge B. Calculate inrush current C. Comply with manufacturer's recommendations D. Always use a 20 amp fuse to deal with start-up current draw. A conventional shaft stuffing box may have all of the following components EXCEPT: A. Lip Seals B. Locknut C. Left-Handed Thread D. Flax Packing A 120 VAC electric water heater is rate at 1500 Watts. The minimum fuse size for the circuit supplying the heater would be: A. 5 Amps B. 10 Amps C. 15 Amps D. 20 Amps Gasoline fueled engines require ignition protection ratings on all of the following, EXCEPT: A. Ignition Distributors B. Starters C. Alternators D. Spark Plugs When swapping a conventional flooded cell battery with a gel cell type, all of the following may need recalibration or even replacement EXCEPT: [Show Less]