List two mechanical and three electrical reasons why a DC motor is not 100% efficient.
What will be an ideal response?
mechanical losses-frictional, windage
electrical losses-armature iron, copper winding, brush contact
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Glass:
a. Is easy to clean c. Is resistant to most laboratory chemicals b. Readily accepts heat d. All answers are correct.
What type of compressor clutch is likely used on a current A/C compressor?
A. stationary coil type clutch B. rotating coil type clutch C. centrifugal type clutch D. wet type clutch
Technician A says that many power windows and power door locks use a reversible, permanent-magnet motor with a built-in circuit breaker. Technician B says that the control switches and relays direct the current through the motor(s). Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Subassemblies can have their own subassemblies.
Answer the following statement true (T) or false (F)