The motor which lends itself to easiest way change the direction of rotation is a. Universal...

Question

Question

engineering Electrical-Engineering

Answer 1

Answer #1

b. Shunt wound DC motor

The direction of rotation of a DC shunt motor can be reversed by changing the polarity of either the armature coil or the field coil.

Answer 2

Similar Homework Help Questions

7. Compare the shunt wound de motor and, the series wound dc motor on the basis...

7. Compare the shunt wound de motor and, the series wound dc motor on the basis of a) starting torque b) starting urrent c) efficiency d) speed regulation
44. The direction of rotation of an induction motor depends on a. the frequency of the...

44. The direction of rotation of an induction motor depends on a. the frequency of the input voltage b. the strength of the magnetic field set up c. the phase sequence of the input supply lines and order in which they are connected to the stator windings d. whether the windings are connected in delta or star determines the speed of the rotating magnetic field a. the number of poles in the motor b. the frequency of the supply d...
1. A 4 pole, 220 V, 10 H.P, d.c. shunt motor is rotating at a speed...

1. A 4 pole, 220 V, 10 H.P, d.c. shunt motor is rotating at a speed of 320 rpm. Then the developed useful torque is a.210.647 N-m b.215.547 N-m c.219.484 N-m d.None of these 2. A 4 pole, lap wound d.c. motor drawing an armature current of 20 A has 360 conductors. If the flux per pole is 0.015 Wb then the gross torque developed by the armature of motor is a.10.23 N-m b.15.56 N-m c.17.17 N-m d.19.08 N-m 3....

A type of DC motor which has wide variance in speed based on the mechanical load....

A type of DC motor which has wide variance in speed based on the mechanical load. a. Series Motor. b. Parallel Motor c. Shunt Motor d. Compound Motor.
1. Why does the direction of rotation change when the battery is reversed in the homopolar...

1. Why does the direction of rotation change when the battery is reversed in the homopolar motor? a. When the battery is reversed, the direction of the current changes. b. When the battery is reversed, there is no longer a net torque on the magnet and screw. c. When the battery is reversed, the orientation of the magnetic field is also reversed.
Choose the correct answer for each question and explain why its right. 1. If it is...

Choose the correct answer for each question and explain why its right. 1. If it is necessary to reverse the direction of a DC motor, the simplest way to do it is to a. reverse the armature leads b. reverse the polarity of the power supply leads c. add a capacitor between the positive and negative DC voltage leads d. get a reversed wired DC motor In a shunt configured DC motor, the series field is a. attached in series...

In a shunt-wound dc motor with the field coils and rotor connected in parallel (see the...

In a shunt-wound dc motor with the field coils and rotor connected in parallel (see the figure (Figure 1)), the resistance Rf of the field coils is Rf = 103 Ω and the resistance Rr of the rotor is Rr = 5.5 Ω. When a potential difference of V = 120 V is applied to the brushes and the motor is running at full speed delivering mechanical power, the current supplied to it is 4.90 A. Part A.) What is...
Which synchronous motor below is least likely to use salient poles? A. 2 pole motor B....

Which synchronous motor below is least likely to use salient poles? A. 2 pole motor B. 4 pole motor C. 6 pole motor D. 8 pole motor
The type of transistor configuration that’s used with a DC servo motor is the A. negative-logic...

The type of transistor configuration that’s used with a DC servo motor is the A. negative-logic configuration. B. totem pole configuration. C. H-bridge configuration. D. emitter-follower configuration. An inverter can be programmed to stop an AC motor quickly by enabling A. an internal brake. B. DC voltage injection to the motor. C. a stationary AC waveform. D. a reverse pulse action. You’re looking at a tachometer feedback signal on an oscilloscope. The waveform takes a long time to go to...

Question 16 A type of AC motor which maintains a very consistent speed O a. Compound...

Question 16 A type of AC motor which maintains a very consistent speed O a. Compound Motor b. Shunt Motor C. Induction Motor d. Synchronous Motor