DIN - GPE 02/02/2021
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Last updated almost 5 years ago
6 questions
1
Give the definition of efficiency.
Give the definition of efficiency.
1
Give the general equation for a percentage.
Give the general equation for a percentage.
1
Draw an energy transfer diagram for an electric kettle boiling.
Draw an energy transfer diagram for an electric kettle boiling.
1
Define an anomalous result.
Define an anomalous result.
1
Convert 1.75 hours into seconds.
Convert 1.75 hours into seconds.
1
A motor has an efficiency of 89%. If the input power is 54000W, calculate the useful output power.
A motor has an efficiency of 89%. If the input power is 54000W, calculate the useful output power.