Complete the following sentences (showing your calculation): 1) The U- value for a roof consisting from 3 layers from inside to outside respectively (13 mm plaster k= 0.16 W/m.K , 100 mm insulation k= 0.065 W/m.K and 200mm concrete slab k= 2.10 W/m.K)=…………………………………………… 2) If the air at a temperature of 12oC will include a maximum 10g/m3 of water vapor and at a temperature of 22oC will include a maximum 22g/m3 of water vapor, if the air at 22oC decrease to 10g/m3, then the relative humidity will equal………………………………………….......................................................………. 3) 80oF will equal in Kelvin ……………….......………..………………………………………………
Complete the following sentences (showing your calculation):
1) The U- value for a roof consisting from 3 layers from inside to outside respectively (13 mm plaster k= 0.16 W/m.K , 100 mm insulation k= 0.065 W/m.K and 200mm concrete slab k= 2.10 W/m.K)=……………………………………………
2) If the air at a temperature of 12oC will include a maximum 10g/m3 of water vapor and at a temperature of 22oC will include a maximum 22g/m3 of water vapor, if the air at 22oC decrease to 10g/m3, then the relative humidity will equal………………………………………….......................................................……….
3) 80oF will equal in Kelvin ……………….......………..………………………………………………
4) The internal gain from occupant in W /m2 for 3 person are playing basket and 2 persons are playing tennis and 1 person are dancing = ……………...……………
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