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DIN - GPE 02/02/2021

Last updated about 5 years ago

6 questions

1

Question 1

1.

Give the definition of efficiency.

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Question 2

2.

Give the general equation for a percentage.

Question 3

3.

Draw an energy transfer diagram for an electric kettle boiling.

Question 4

4.

Define an anomalous result.

Question 5

5.

Convert 1.75 hours into seconds.

Question 6

6.

A motor has an efficiency of 89%. If the input power is 54000W, calculate the useful output power.