Quiz Result Settings<\/p>\n \n Check this if you want to display JUST the wrong answers<\/label>\n \n <\/div>\n <\/div>1: Name three things that must be done when changing refrigeration lubricant?<\/h3>Make sure it's compatible, notify owner, notify AHJ<\/li>Place sign, check for leaks, insulate<\/li>Nothing must be done<\/li>You can't change lubricants.<\/li><\/ul>2: Machinery rooms must be vented to ______?<\/h3>outdoors<\/li>neutralizing tank<\/li>unoccupied spaces<\/li>basement<\/li><\/ul>3: What section governs pressure vessels?<\/h3>Section 1 ASHREA 15 ASME fired<\/li>OSHA<\/li>Section ASHREA 34<\/li>Section 8 ASHREA 15 ASME unfired<\/li><\/ul>4: When liquid receivers are used, the liquid refrigerant shall not exceed _______percent of the volume at 90F.<\/h3>99%<\/li>80%<\/li>90%<\/li>75%<\/li><\/ul>5: Liquid level gauge glasses shall have automatic closing shut off valves, except Bull's eye or reflex type.<\/h3>True<\/li>False<\/li><\/ul>6: What refrigerant has zero ozone depletion<\/h3>HFC<\/li>CFC<\/li>HCFC<\/li>None of the above <\/li><\/ul>7: A \u201cU\u201d or \u201cUM\u201d marking a on a nameplate of a pressure vessels signifies compliance with Section VIII of<\/h3>the ASME Boiler and Pressure Vessel Code<\/li>Section 11.3.1.5 ASHRAE 15 Standard<\/li>the ANSI Standard 10.7.2<\/li>both the ANSI Standard 10.7.2 and ASHRAE 15 Standard 11.3.1.5<\/li><\/ul>8: Where a refrigeration or air conditioning system is installed,<\/h3>it shall not be operated below prescribed pressuers<\/li>A field inspection shall be made before it is put into service<\/li>the form or certificate shall be authorized by the Department of Public Safety<\/li>The company who installed the system must notify the fire department in the jurisdiction where installed<\/li><\/ul>9: The 522 CMR 9.00 has adopted for reference ASHRAE ____<\/h3>10<\/li>15<\/li>25<\/li>III<\/li><\/ul>10: Who approves containers for refrigerants?<\/h3>E.P.A<\/li>D.O.T<\/li>D.O.E<\/li>D.O.D<\/li><\/ul>11: What refrigerant is an inorganic compound?<\/h3>R-132A<\/li>Ammonia<\/li>R-410A<\/li>R-22<\/li><\/ul>12: What is Trichlorotrifluoromethane?<\/h3>R-13<\/li>R-113<\/li>R-12<\/li>R-11<\/li><\/ul>13: How many gallons of water do you need per pound of ammonia?<\/h3>10<\/li>50<\/li>100<\/li>1<\/li><\/ul>14: Pressure limiting devices are not required for systems containing less then ________ refrigerants.<\/h3>22 lbs<\/li>44 lbs<\/li>6.6 lbs<\/li>13.9 lbs<\/li><\/ul>15: Trichlorofluoromethane is the name of what refrigerant?<\/h3>R-11<\/li>R-113<\/li>R-12<\/li>R-502<\/li><\/ul>16: Halogen refrigerants are corrosive to which type of metal?<\/h3>magnesium<\/li>copper<\/li>black iron<\/li>stainless steel<\/li><\/ul>17: The gauge thickness required on a CO2 tank construction is<\/h3>5\/16"<\/li>3\/32"<\/li>1\/16"<\/li>1\/8"<\/li><\/ul>18: Which refrigerant class listed below is the most flammable?<\/h3>A-1<\/li>A-3<\/li>B-2<\/li>C-3<\/li><\/ul>19: Class T machine room<\/h3>has no flame producing apparatus permanently installed<\/li>shall have remote controls to stop the action of the refrigerant compressor<\/li>shall include closets used for setting equipment<\/li>shall have refrigerant leak detecting systems installed inside and outside the room<\/li><\/ul>20: What would be the classification of a church?<\/h3>Industrial<\/li>Large mercantile<\/li>Institutional<\/li>Place of assembly<\/li><\/ul>21: It shall be the duty of the person in charge of the premises on which a refrigeration system containing more than ___ lbs of refrigerant is installed to provide a schematic drawing or panel giving directions for the operation of the system.<\/h3>55<\/li>15<\/li>50<\/li>75<\/li><\/ul>22: Low temperature systems should have what?<\/h3>High pour point<\/li>Low pour point<\/li>High viscosity<\/li>None of the above<\/li><\/ul>23: Before you change the type of refrigerant in a refrigeration system, what three things must be done?<\/h3>you can't change refrigerants<\/li>make sure it's compatible, notify owner, notify A.H.J<\/li>place sign, check for leaks, insulate<\/li>nothing must be done<\/li><\/ul>24: A factory-sealed system containing less than 22lbs. of Group A1 refrigerant<\/h3>does not require a pressure-limiting device<\/li>shall have a pressure limiting device installed on the high side of the system<\/li>shall be inspected by the Boiler of Inspectors bi-annually<\/li>shall have a pressure limiting device and a pressure relief valve installed<\/li><\/ul>25: All serviceable components of a refrigeration system shall be provided with<\/h3>manufactures instructions on start-up procedures<\/li>name plates with markings referring to pressure and temperature in accordance with ASME Boiler and Pressure Vessel Code<\/li>service manuals<\/li>safe access<\/li><\/ul><\/div><\/form><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-49","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/refrigerationpreptest.com\/index.php?rest_route=\/wp\/v2\/pages\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/refrigerationpreptest.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/refrigerationpreptest.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/refrigerationpreptest.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/refrigerationpreptest.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=49"}],"version-history":[{"count":7,"href":"https:\/\/refrigerationpreptest.com\/index.php?rest_route=\/wp\/v2\/pages\/49\/revisions"}],"predecessor-version":[{"id":108,"href":"https:\/\/refrigerationpreptest.com\/index.php?rest_route=\/wp\/v2\/pages\/49\/revisions\/108"}],"wp:attachment":[{"href":"https:\/\/refrigerationpreptest.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}