Skills and Trades

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Briefly describe the construction of a bi-metallic device. What will be an ideal ... Started by jon_i	1 Replies 19 Views	Jul 26, 2018 by millet
What standard covers ductboard and methods of connecting and sealing ductboard? What will be an ... Started by haleyc112	1 Replies 23 Views	Jul 26, 2018 by deja
List some methods of searching for refrigerant leaks. What will be an ideal ... Started by @Brianna17	1 Replies 21 Views	Jul 26, 2018 by momtoalll
Which diagram types are most useful for understanding the operation of the unit? What will be an ... Started by mia	3 Replies 13 Views	Jul 26, 2018 by Harbringer
What information does a point to point diagram give the technician? What will be an ideal ... Started by penza	1 Replies 28 Views	Jul 26, 2018 by momtoalll
What could cause frequent tripping on high discharge pressure and poor ice production? What will ... Started by wrbasek0	1 Replies 12 Views	Jul 26, 2018 by whitcassie
What would happen if the ice machine had a partially blocked water distributor tube? What will be ... Started by 09madisonrousseau09	1 Replies 76 Views	Jul 26, 2018 by asware1
In Figure 39-34, what happens when the defrost relay DR is energized? What will be an ideal ... Started by fox	3 Replies 145 Views	Jul 26, 2018 by duke02
In Figure 39-24, what will happen if the limit switch opens while the furnace is operating? What ... Started by Lisaclaire	1 Replies 54 Views	Jul 26, 2018 by jgranad15
List some common causes of an evaporator operating with a low superheat and a high suction pressure. ... Started by sheilaspns	1 Replies 30 Views	Jul 26, 2018 by DylanD1323
In Figure 39-34, what is the difference between emergency heat operation and normal second stage ... Started by nevelica	1 Replies 17 Views	Jul 26, 2018 by dreamfighter72
How does a pneumatic control system operate? What will be an ideal ... Started by EAugust	3 Replies 25 Views	Jul 26, 2018 by HandsomeMarc
What is the difference between a two position control and a modulating control? What will be an ... Started by Pea0909berry	1 Replies 18 Views	Jul 26, 2018 by itsakadoozi
Explain how to test if a current relay is defective using an ohmmeter. What will be an ideal ... Started by Wadzanai	1 Replies 26 Views	Jul 26, 2018 by underwood14
At what cylinder temperature will oil break down inside a compressor? What will be an ideal ... Started by brutforce	1 Replies 19 Views	Jul 26, 2018 by ngr69
Why do most manufacturers supply more than one type of diagram with their equipment? What will be ... Started by penguins	3 Replies 14 Views	Jul 26, 2018 by zhanghao
What are the two manual switches found on most thermostats? What will be an ideal ... Started by Themember4	1 Replies 31 Views	Jul 26, 2018 by jessicaduplan
What instrument can be used to solve troublesome intermittent problems? What will be an ideal ... Started by tingc95	1 Replies 15 Views	Jul 26, 2018 by whitcassie
Explain the groups into which compressor problems can be divided. What will be an ideal ... Started by KimWrice	1 Replies 69 Views	Jul 26, 2018 by mcabuhat
What is a system's sequence of operation? What will be an ideal ... Started by theo	3 Replies 12 Views	Jul 26, 2018 by whitcassie
A deep freeze would be an example of what coil temperature application? What will be an ideal ... Started by littleanan	1 Replies 10 Views	Jul 26, 2018 by asdfghjkl;
Food items like milk, cheese, and fresh fruit and vegetables are usually stored at what ... Started by bio_gurl	1 Replies 47 Views	Jul 26, 2018 by joshraies
Medium temperature refrigeration coil temperatures ranging from 32F down to 0F are generally used ... Started by pragya sharda	1 Replies 54 Views	Jul 26, 2018 by lorealeza
How do ceramic and mica capacitor mfd ratings compare to paper and film capacitors? What will be ... Started by jCorn1234	3 Replies 25 Views	Jul 26, 2018 by dmurph1496
List the important accessories common to commercial refrigeration systems What will be an ideal ... Started by Coya19@aol.com	1 Replies 30 Views	Jul 26, 2018 by nixon_s