The hoses used to carry oxygen from the cylinder to the torch are usually _____.
a. red
b. blue
c. green or black
d. orange and black
c. green or black
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In order for combustion to occur, there must be _____.
a. fuel, CO2, and ignition b. radiation, conduction, and convection c. fuel, oxygen, and aldehydes d. fuel, ignition, and oxygen
The instantaneous contacts on a time delay relay operate like NO and NC contacts would on a control relay
Indicate whether the statement is true or false
A dirty air filter would likely cause which of the following symptoms?
A) High superheat B) High condenser pressure C) Low evaporator pressure D) Low subcooling
Write down the one-dimensional transient heat conduction equation for a plane wall with constant thermal conductivity and heat generation in its simplest form, and indicate what each variable represents.
What will be an ideal response?