Blower motor system fan speed control is being discussed. Technician A says this is done by a resistor block wired in parallel to the fan. Technician B says this is done by use by a power module. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B
Answer: C
Trades & Technology
You might also like to view...
Using a sketch, explain the difference between a roof truss and a floor truss. In which situations will you consider the use of wood floor trusses?
What will be an ideal response?
Trades & Technology
What is a major problem of grade and yield marketing of hogs?
What will be an ideal response?
Trades & Technology
In a 2-ton TX valve system, the unit does not develop full capacity. Head pressure is high, suction pressure is slightly above normal, superheat is normal, and subcooling is above normal. What is the problem?
What will be an ideal response?
Trades & Technology
What is the most common method used by greenhouse growers to control plant growth?
What will be an ideal response?
Trades & Technology