Skills and Trades

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In rotary screw compressors, ________ supplies lubrication to the bearings, oil to the mechanical ... Started by mrsjacobs44	3 Replies 14 Views	Jul 24, 2018 by missalyssa26
Why is the capacity of air conditioning units stated in tons? A) Air conditioners are not rated ... Started by stevenposner	1 Replies 34 Views	Jul 24, 2018 by miss.ashley
When performing a monthly inspection of a gas reciprocating compressor, cylinders rated greater than ... Started by HCHenry	1 Replies 66 Views	Jul 24, 2018 by sarah_brady415
For a building to be properly ventilated: A) Air must be ducted from the floor to the ceiling. ... Started by ap345	1 Replies 83 Views	Jul 24, 2018 by debra928
The difference between residential heating and cooling systems and commercial/industrial heating, ... Started by B	3 Replies 114 Views	Jul 24, 2018 by djofnc
When eliminating the causes of a problem, start with the one that________. A) poses the least ... Started by Alainaaa8	1 Replies 19 Views	Jul 24, 2018 by bd5255
When measuring the drive chain, stretch it tight within the compressor and measure it with a ... Started by LaDunn	1 Replies 15 Views	Jul 24, 2018 by Koolkid240
When performing the startup and operational check for reciprocating compressors, check that the ... Started by Brittanyd9008	1 Replies 51 Views	Jul 24, 2018 by Loise Hard
Who developed the quick freezing process for preserving food? A) Carter Stanfield B) Clarence ... Started by Anajune7	3 Replies 50 Views	Jul 24, 2018 by Sassygurl126
Freezing food slowly: A) Was developed by Clarence Birdseye. B) Preserves the food's taste. C) ... Started by jho37	1 Replies 41 Views	Jul 24, 2018 by shewald78
What type of HVAC work often requires a criminal background check? A) System installation helper ... Started by fox	1 Replies 25 Views	Jul 24, 2018 by C.mcnichol98
Which job would most likely NOT be open to a technician with a criminal background? A) ... Started by Melani1276	1 Replies 60 Views	Jul 24, 2018 by l.stuut
Sometimes the ________ is called an actuator/operator. A) engine B) compressor C) valve D) ... Started by Garrulous	3 Replies 29 Views	Jul 24, 2018 by manuelcastillo
Each pipeline operator is required by ________ to prepare and follow a manual of written procedures ... Started by KimWrice	1 Replies 23 Views	Jul 24, 2018 by matt
The first priority of a good preventive maintenance program is to focus on problems that cause ... Started by bio_gurl	1 Replies 46 Views	Jul 24, 2018 by chjcharjto14
Preventive maintenance must be performed according to ________ and warranty requirements. A) ... Started by dakota nelson	1 Replies 25 Views	Jul 24, 2018 by kilada
An air ________ consists of finned tubing that runs between the stages of the compressor. A) ... Started by genevieve1028	3 Replies 29 Views	Jul 24, 2018 by nhea
Many HVACR industry publications are published by: A) Fox News and CNN. B) HVACR industry trade ... Started by 809779	1 Replies 90 Views	Jul 24, 2018 by macmac
Why should technicians read industry periodicals and publications? A) To stay informed about the ... Started by cool	1 Replies 18 Views	Jul 24, 2018 by ambernicolefink
A normally open valve that is positioned after the receiver in a pneumatic system is called a ... Started by Arii_bell	1 Replies 15 Views	Jul 24, 2018 by Eazy416
Disconnecting and ________ the actuator will indicate whether a problem exists in the pneumatic ... Started by theo	3 Replies 17 Views	Jul 24, 2018 by pikon
An actuator logic circuit malfunction can result in ________. A) quick-release B) swollen seals ... Started by charchew	1 Replies 15 Views	Jul 24, 2018 by ankilker
The Council of Air Conditioning and Refrigeration Educators (CARE): A) Approves course content ... Started by bb	1 Replies 26 Views	Jul 24, 2018 by jessicaduplan
When reinstalling actuator components, ________ the ends of the air piping to be connected. A) ... Started by yoroshambo	1 Replies 13 Views	Jul 24, 2018 by Dinolord
The ________ is/are used when compact, high-thrust actuators are required. A) pneumatic piston B) ... Started by Pineappleeh	3 Replies 64 Views	Jul 24, 2018 by fwbard