kahoot elec

Question 1

What is the SI unit for torque?

Answer 1

Newton meter

Question 2

In a RSIR motor the start winding is disconnected at?

Answer 2

at 75% of the rated speed

Question 3

A CSIR motor has?

Answer 3

the best starting torque than other motors

Question 4

a start capacitor has greater?

Answer 4

capacitance than the run capacitor

Question 5

The horsepower rating of a motor is determined by?

Answer 5

speed and the torque

Question 6

what is the HP formula?

Answer 6

(torque multiplied by Speed)/7121

Question 7

In a PSC motor has?

Answer 7

A run capacitor connected continuously

Question 8

A shaded pole motor?

Answer 8

Has shading coil

Question 9

Capacitor are rated in?

Answer 9

Microfarads

Question 10

The proper method to discharge a capacitor is to?

Answer 10

connect a 20,000 ohm resistor with a 5 watt rating

Question 11

To change rotation direction in a RSIR?

Answer 11

Either switch the start or the run terminal

Question 12

The run winding are mounted?

Answer 12

Deep into the stator slots?

Question 13

One benefit of skewered rotor bars?

Answer 13

Quiet operation

Question 14

The purpose of the end bells is to?

Answer 14

Seal the motor, hold the bearings and support the shaft

Question 15

The centrifugal switch?

Answer 15

NC and mounted on the shaft

Question 16

A dual voltage motor connected for high voltage has the run windings connected in?

Answer 16

Series

Question 17

The CSCR motor, the potential relay disconnects?

Answer 17

The start capacitor

Question 18

On a dual voltage RSIR motor connected for low voltage, the start windings would be connected in?

Answer 18

Parallel

Question 19

A current relay contains

Answer 19

NO contacts

Question 20

A potential relay includes?

Answer 20

NC contacts

Question 21

To change the state of the contacts a current relay relies on?

Answer 21

Inrush current

Question 22

The power factor is the ratio comparing?

Answer 22

The true power in Watts and Apparent power in VA
Pf=(P/S)

Question 23

The capacitance of a capacitor is determined by?

Answer 23

The size of the conducting plates and the space between them

Question 24

What determines the resistance for a capacitor?

Answer 24

Cross sectional

Question 25

A CSIR motor has?

Answer 25

a start cap connected temporarily

Question 26

A start cap?

Answer 26

connected in series with the start winding

Question 27

Dual Voltage start winding terminals are labeled?

Answer 27

T5 T6 T7 T8