Skills and Trades

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Medium and large commercial buildings typically use A) low-pressure steam boilers. B) ... Started by futuristic	1 Replies 77 Views	Jul 26, 2018 by Tabitha_2016
What is a low water cut out? A) it is an operating control that shuts off the boiler at the end ... Started by kshipps	1 Replies 15 Views	Jul 26, 2018 by amcvicar
An evaporative condenser A) Works by evaporating water to cool the condenser coil B) Cools air ... Started by dollx	3 Replies 84 Views	Jul 26, 2018 by succesfull
What type of ice storage system requires a double heat exchange? A) Ice harvesting equipment B) ... Started by ap345	1 Replies 31 Views	Jul 26, 2018 by kalskdjl1212
When used appropriately, off-peak thermal storage systems A) create jobs. B) decrease cooling. ... Started by aabwk4	1 Replies 65 Views	Jul 26, 2018 by tjayeee
What does cooling tower pump head mean? A) the top of the water sump circulating pump is known as ... Started by hbsimmons88	1 Replies 65 Views	Jul 26, 2018 by owenfalvey
What are the advantages of water for use in a thermal storage system? A) its temperature remains ... Started by jazziefee	3 Replies 117 Views	Jul 26, 2018 by CourtneyCNorton
Solar panels, thermal storage systems, and heat pumps may be used to A) cool buildings during ... Started by TFauchery	1 Replies 55 Views	Jul 26, 2018 by polinasid
Why do spherical ice containers have dimples on their exterior surface? A) The dimples allow for ... Started by LaDunn	1 Replies 11 Views	Jul 26, 2018 by owenfalvey
In some systems, what is circulated through the heat exchanger inside the ice to melt it from the ... Started by erika	1 Replies 23 Views	Jul 26, 2018 by maaaaaaaaaa
Which of the following applications would most benefit from a thermal storage system? A) sports ... Started by mikaylakyoung	3 Replies 43 Views	Jul 26, 2018 by cswans24
What is the advantage of using colder thermal storage for storing off-peak cooling capacity? A) ... Started by jace	1 Replies 61 Views	Jul 26, 2018 by sailorcrescent
How is the ice harvested from the evaporator plates in an ice harvesting system? A) by warming ... Started by Shelles	1 Replies 13 Views	Jul 26, 2018 by micaelaswann
A big difference between the handling of fruits and vegetables and meat products is that: A) ... Started by Coya19@aol.com	1 Replies 44 Views	Jul 26, 2018 by SAUXC
What is the most common refrigerant used in large food processing plants? A) HFC-404A B) Ammonia ... Started by JMatthes	3 Replies 42 Views	Jul 26, 2018 by amanda_14
Freezers that use liquid nitrogen to freeze food quickly are known as: A) Blast freezers. B) ... Started by evelyn o bentley	1 Replies 30 Views	Jul 26, 2018 by bbburns21
Larger fan coil units are most commonly used to condition A) Hotel and motel rooms B) Schools ... Started by storky111	1 Replies 35 Views	Jul 26, 2018 by ApricotDream
In most commercial air handlers A) the blower draws the air across the coil B) the air passes ... Started by cool	1 Replies 50 Views	Jul 26, 2018 by kishoreddi
Compare the installation cost of multiple cases with a separate condensing unit for each ... Started by KimWrice	3 Replies 22 Views	Jul 26, 2018 by patma1981
Why are vegetables blanched before they are frozen? A) To soft-freeze them prior to hard freezing ... Started by Destiiny22	1 Replies 58 Views	Jul 26, 2018 by blakeserpa
The lowest evaporator coil temperature that traditional mechanical compression systems can attain is ... Started by Metfan725	1 Replies 45 Views	Jul 26, 2018 by tsternbergh47
What is the approximate ventilation requirement for low temperature, air-cooled condensing units ... Started by Yolanda	1 Replies 13 Views	Jul 26, 2018 by juiceman1987
The essential elements of a single component system refrigeration system, in order are: A) ... Started by CORALGRILL2014	3 Replies 59 Views	Jul 26, 2018 by helenmarkerine
The advantage of the backward curved centrifugal fan over the forward curved centrifugal fan is that ... Started by cartlidgeashley	1 Replies 43 Views	Jul 26, 2018 by cclemon1
When is a forward curved centrifugal blower motor most likely to draw high amps? A) when the ... Started by Arii_bell	1 Replies 46 Views	Jul 26, 2018 by pangili4