IV Testing Quiz

What is the first thing you need to do on an IV after all the dead tests have been completed and are satisfactory?

• Measure the resistance between lines

• Check the polarity of the incoming supply

• Test the functionality of the IV

• Confirm the voltage between Lines & Earth

What voltage should be measured between lines?

• 230v

• 400v

• 0v

• 110v

What voltage should be measured between Lines & Neutral?

• 400v

• 230v

• 0v

• 110v

What voltage should be measured between Lines & Earth?

• 400v

• 230v

• 0v

• 110v

What voltage should be measured between N & E?

• 400v

• 230v

• 0v

• 110v

How can the phase sequence be checked?

• By measuring the frequency

• By performing a polarity test

• By using an ammeter

• By checking the voltage level

What do some voltage testers have to indicate the rotation direction?

• A light indicator

• A digital display

• A facility to indicate if the rotation is Left or right

• An audible alarm

Where should the L1 probe be placed?

• Onto L2

• Onto L3

• Onto L1

• Onto the ground

How many types of phase rotation are mentioned that can be looked up in GN3?

• 1

• 2

• 3

• 4

¿Qué unidades se utilizan para medir la impedancia?

• Amperios (A)

• Voltios (V)

• Ohmios (Ω)

• Henrios (H)