P1 Sean B. and Josh B.
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Is it possible to burn poo for fuel?
Yes it is!
What is the equation for efficiency?
Efficiency=Useful Energy Out/Total Energy in
Name three ways you can lessen heat loss of a house?
- Loft insulation
- Cavity Wall Insulation
- Hot Water Tank Jacket
- Double Glazing
- Draught Proofing
List three the types of Energy?
- Elastic Potential Energy
Name three different types of renewable energy?
Which has the bigger wave length micro waves(no I don't meen the kitchen appliance) or X-rays?
What is a Longitudinal Wave?
A wave thats vibration's travel parralel to the direction of travel
What is the best absorber?
Black Matt object
Whats is a shiny white surface best at, Absorbing or Reflecting light?
What the three ways of heat transfer?
What are the two Energy Sources?
Name one disadvatages of Geothermal energy?
- It has a high start up cost
- There are few suitable location
What is the best way to tranfer heat in a solid?
What is the equation for KWH?
Power(kw) x Times(hour)
If the annual saving of double glazing is £40 and the initial cost is £4000 how long will it take to payback?
Which two enregy tansfer are electrical to Kinetic in these items?
- Blender and washing machine
What energy tansfer is in all of these items?
Eletrical into thermal energy
What steps ups the voltage from power station to the grid?
Step up transformer
Name one disadvantages on nuclar power?
- The waste is very dangerous
- Chance of disaster ( chernobyl 1986)
- Hard to decomission
What is cheaper Boost the voltage or boost the current?
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