Journeyman test 2 with complete solutions 100% Verified

Journeyman test 2 with complete solutions 100% Verified Minimum width unobstructed provided for all sides of a boiler - answer18 inches When only horizontal ducts are used and all the combustion air is taken from the outside, grate opening shall be size based on how many BTUs hour - answer2000 BTUs an hour / vertical 4000 BTUs an hour Improper use of suction filter dryer may cause - answerRestriction of flow What do you never cut off in a mechanical room - answerVentilation exhaust When using an analog ohm meter if the needle goes down to zero and then back up to the other end the cap Is what - answerGood When is insulation needed - answerWhen supply duct passes through an unconditioned space Safety relief piping on boilers should be of what type - answerRigid pipe Rooftop duct insulation grade commercial applications - answerR-8 An 8 inch exhaust must penetrate a roof at least - answer2.5 inches What is a flat bonnet on a wood curb meant for - answerMultiple vents What is the temperature a T-Stat will go on if a space under the house is used as an open plenum on heating systems - answer265° What is not an acceptable flange gasket material - answerBronze Approved method of scavenging a chimney, boiler or passageways in boiler - answerPurging If insulation is doubled the transferred through the insulation does what - answerReduce by half The unthreaded portion of piping outlets shall extend not more than how many inches through finished ceiling - answer1 inch Refrigeration system with more than 6.6 pounds of refrigerant will NOT have a stop valve where - answerInlet of the receiver