Which of the following motors is used in refrigeration and air conditioning?
A. DC cumulative motor.
B. Small torque squirrel-cage induction motor for small units
C. Three-phase shunt wound commutator motor
D. Slip-rings induction motor for large installation
Answer:A
Which of the following motors is used in refrigeration and air conditioning?
A. DC cumulative motor. B. Small torque squirrel-cage induction motor for small units C. Three-phase shunt wound commutator motor D. Slip-rings induction motor for large installation