What is the function of the field discharge resistor?
What will be an ideal response?
The function of the field discharge resistor is to limit the amount of induced voltage when the motor is started and limit the amount of induced voltage caused by the collapsing magnetic field when the motor is stopped and the excitation current is disconnected.
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Technician A says chevron seals are used at the front and rear of the crankcase. Technician B says dynamic seals are used to seal moving parts. Who is right?
A. Technician A B. Technician B C. Both technicians D. Neither technician
The refrigerant that was formerly used in mobile air conditioning systems and had its production stopped because of its ozone destroying properties is called:
a. H-12 b. R-12 c. H-134 d. R-134
A water source system that gets its water from a well and does not reuse the water
A) is called a quasi-closed loop because it still uses a circulating pump B) Is an open loop system C) Is a closed loop system D) is considered a hybrid between an open and closed loop system
The orifice is a precisely sized hole in the ____.
A. manifold B. spud C. burner tube D. combustion chamber