BPI Test Questions with Complete
Solutions11
Low kelvin is - ANSWERS -yellow
High kelvin is - ANSWERS -Blue or white
Energy and matter move - ANSWERS -from high concentrations to low concentrations.
Hot moves to - ANSWERS -cold.
High pressure moves to - ANSWERS -low pressure.
Wet moves to - ANSWERS -dry.
Energy - ANSWERS -The ability to bring about change or to do work.
BTU - ANSWERS -Amount of heat required to change 1 lb of water 1 degree F.
1 gallon #2 fuel oil - ANSWERS -139,000 BTU
1 therm of natural gas - ANSWERS -100,000 BTU
1 kW of electricity - ANSWERS -3,412 BTU
, Bimetal - ANSWERS -Uses different rates of expansion/contraction of 2 different metals fused
together.
🔺T - ANSWERS -Difference in temperature from one place to another.
Conduction - ANSWERS -Heat flow from molecule to molecule in a solid.
Convection - ANSWERS -Heat flow by movement of fluids (liquids and gasses).
Radiation - ANSWERS -Heat flow across an empty space.
Thermal Bridging - ANSWERS -Rapid flow of heat, by conduction, through a highly conductive
material in a building assembly.
R - ANSWERS -Resistance to heat flow.
U - ANSWERS -Amount of heat (in BTU's) that transmits through 1 sq ft of material, or building
assembly, in 1 hour when there is a 1 degree temperature difference between the 2 sides.
Heat Transmission Formula - ANSWERS -q = U • A • 🔺T
U - ANSWERS -Amount of heat a material or assembly allows to flow.
Solar gains depend on - ANSWERS -home's compass orientation.
Most energy efficient orientation is - ANSWERS -East-West of the long wall.
Solutions11
Low kelvin is - ANSWERS -yellow
High kelvin is - ANSWERS -Blue or white
Energy and matter move - ANSWERS -from high concentrations to low concentrations.
Hot moves to - ANSWERS -cold.
High pressure moves to - ANSWERS -low pressure.
Wet moves to - ANSWERS -dry.
Energy - ANSWERS -The ability to bring about change or to do work.
BTU - ANSWERS -Amount of heat required to change 1 lb of water 1 degree F.
1 gallon #2 fuel oil - ANSWERS -139,000 BTU
1 therm of natural gas - ANSWERS -100,000 BTU
1 kW of electricity - ANSWERS -3,412 BTU
, Bimetal - ANSWERS -Uses different rates of expansion/contraction of 2 different metals fused
together.
🔺T - ANSWERS -Difference in temperature from one place to another.
Conduction - ANSWERS -Heat flow from molecule to molecule in a solid.
Convection - ANSWERS -Heat flow by movement of fluids (liquids and gasses).
Radiation - ANSWERS -Heat flow across an empty space.
Thermal Bridging - ANSWERS -Rapid flow of heat, by conduction, through a highly conductive
material in a building assembly.
R - ANSWERS -Resistance to heat flow.
U - ANSWERS -Amount of heat (in BTU's) that transmits through 1 sq ft of material, or building
assembly, in 1 hour when there is a 1 degree temperature difference between the 2 sides.
Heat Transmission Formula - ANSWERS -q = U • A • 🔺T
U - ANSWERS -Amount of heat a material or assembly allows to flow.
Solar gains depend on - ANSWERS -home's compass orientation.
Most energy efficient orientation is - ANSWERS -East-West of the long wall.
