Star & Delta Revision OB

Question 1 of 10

1

What is the name of the configuration in this image?

Select one of the following:

Star Point
Star
Star/Delta
Delta

Explanation

Question 2 of 10

1

The voltage across a Star configuration will always be the same.

Select one of the following:

True
False

Explanation

Question 3 of 10

1

The following image shows a Star configuration.

Select one of the following:

True
False

Explanation

Question 4 of 10

1

What stays the same across a Star configuration?

Select one of the following:

Power
Voltage
Current
Resistance

Explanation

Question 5 of 10

1

A Delta connected load has a phase voltage of 400V. What is the line voltage?

Select one of the following:

230V
400V
200V
133V

Explanation

Question 6 of 10

1

What is the formula for calculating current in a Star configuration?

Select one of the following:

IL = √3 x IP
IL = √3 ÷ IP
IP = UP
IP = IL

Explanation

Question 7 of 10

1

When connecting an ammeter across a Star or Delta configuration, you must connect it in series.

Select one of the following:

True
False

Explanation

Question 8 of 10

1

When connecting a voltmeter across a Star or Delta configuration, you must connect it in series.

Select one of the following:

True
False

Explanation

Question 9 of 10

1

A star configuration allows you to connect a 230V supply only.

Select one of the following:

True
False

Explanation

Question 10 of 10

1

The neutral conductor at the transformer is also called the star point.

Select one of the following:

True
False

	Created by Oliver Balay over 9 years ago

Level 2 Science Revision: C&G 2365

Star & Delta Revision OB

Star & Delta Revision OB

Question 1 of 10

What is the name of the configuration in this image?

Select one of the following:

Explanation

Question 2 of 10

The voltage across a Star configuration will always be the same.

Select one of the following:

Explanation

Question 3 of 10

The following image shows a Star configuration.

Select one of the following:

Explanation

Question 4 of 10

What stays the same across a Star configuration?

Select one of the following:

Explanation

Question 5 of 10

A Delta connected load has a phase voltage of 400V. What is the line voltage?

Select one of the following:

Explanation

Question 6 of 10

What is the formula for calculating current in a Star configuration?

Select one of the following:

Explanation

Question 7 of 10

When connecting an ammeter across a Star or Delta configuration, you must connect it in series.

Select one of the following:

Explanation

Question 8 of 10

When connecting a voltmeter across a Star or Delta configuration, you must connect it in series.

Select one of the following:

Explanation

Question 9 of 10

A star configuration allows you to connect a 230V supply only.

Select one of the following:

Explanation

Question 10 of 10

The neutral conductor at the transformer is also called the star point.

Select one of the following:

Explanation