How does a thermocouple work? A) the thermal capacitance ...

[vHAUNG6011]

How does a thermocouple work?
 
  A) the thermal capacitance changes temperature into voltage
  B) temperature difference between the hot and cold junction generates voltage
  C) the piezoelectric effects of the thermocouple generate voltage
  D) heating the copper tube generates voltage

Question 2

When brazing is finished, which of the following valves should be shut off first?
 
  a. Acetylene valve on the tank regulator
  b. Oxygen valve on the tank regulator
  c. Acetylene valve on the torch handle
  d. Oxygen valve on the torch handle

[leahchrapun]

Answer to Question 1

B

Answer to Question 2

d

[vHAUNG6011]

Thanks for the timely response, appreciate it

[bigsis44]

Wow, this really help