Engineering, 18.12.2019 21:31 ashtyndowdle
We propose to heat a house in the winter with a heat pump. the house is to be maintained at 20 c at all times. when the ambient temperature outside drops to -10 c, the rate at which heat lost from the house is estimated to be 25 kw. what is the minimum electrical power required to drive the heat pump?
Answers: 3
Another question on Engineering
Engineering, 04.07.2019 18:10
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 04.07.2019 18:10
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
Answers: 2
Engineering, 04.07.2019 18:10
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
Answers: 3
Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
You know the right answer?
We propose to heat a house in the winter with a heat pump. the house is to be maintained at 20 c at...
Questions
German, 17.12.2020 09:10
Mathematics, 17.12.2020 09:10
Mathematics, 17.12.2020 09:10
Physics, 17.12.2020 09:10
English, 17.12.2020 09:10
Mathematics, 17.12.2020 09:10
Biology, 17.12.2020 09:10
History, 17.12.2020 09:10
Mathematics, 17.12.2020 09:10
Computers and Technology, 17.12.2020 09:10
Mathematics, 17.12.2020 09:10
English, 17.12.2020 09:10
