What is the total heat loss through a triple glazing (U-value: 1.3) window with an area of 2 m2 on a day when the outdoor and indoor temperatures are 5 C and 20 C, respectively?

Q: .. How long it will take to reach 100 °C.

A: 18.67 seconds

Q: 1-17 A 15-cm-diameter aluminum ball is to be heated from 80°C to an average temperature of 200°C.…

A: Given data Diameter(d)=15cm=0.15m Radius(r) = 7.5cm=0.075m Initial temperature (Ti)=80 oC Final…

Q: ) Briefly discuss the influence of clothing on human comfort. How is the effect of clothing…

A: intro- clothing is act as a barrier for heat transfer from body to surrounding or surrounding to…

Q: The inner and outer surface temperature of a 5.1 mm thick glass window are 17.6 and 7.1 oC,…

A:

Q: A rod of 1 cm diameter and 10 cm long is heated at one end. A fan is used to blow air over the…

A: Given:Diameter of a rod, d=1 cmLength of a rod, L=10 cmFind:The appropriate area for the conduction

Q: A fan forces air over a computer circuit board with an area of 0.01 m2 to keep the circuit board…

A:

Q: A cylindrical steel tank with a diameter of 3 m and height of 4.4 m is used to store chilled water…

A: Given:  r = d/2 = 3/2 = 1.5 m H = 4.4 m h = 15 W/m2K

Q: 1-52 A wood slab with a thickness of 0.05 m is subjected to a heat flux of 40 W/m2. The left and…

A:

Q: Q: A large plane wall of thickness (L= 0.3 m), thermal conductivity ( k = 40 W/m-°C), and surface…

A: Given, L = 0.3 mk = 40 W/m °CA = 0.4 m2T(0) = 70 °Cq' = 1200kk + 20L=1200 (40)40 + 20 (0.3)=1043.48…

Q: A window with an Rsrvalue of 0.18 receives 300 W/m² of insolation. If the interior of the building…

A: As given that For window RSI- = 0.18 , insolation = 300 W/m2 ; The temperature of the interior Ti=…

Q: 3. Solve for the rate of natural convection heat loss from a flat 1-m square, restaurant grill…

A: Square Plate = 1 m

Q: 1-30 A 4-m x 5-m x 7-m room is heated by the radiator of a steam heating system. The steam radiator…

A:

Q: 9) If the temperature of the sun were to suddenly double, by what multiplicative factor would the…

A: According to Stefan Boltzman law of radiation The thermal radiation rate is directly proportional to…

Q: We often think of pollution in terms of smog or trash in the ocean. Give an example of thermal…

A: MAIN CAUSES OF THE THERMAL POLLUTION Thermal pollution is caused by a variety of human and natural…

Q: An office space of 15 ft x12 ft x10 ft height. The heat loss through walls is (6949.8 Btuh) if…

A: An office space of 15 ft x12 ft x10 ft height. The heat loss through walls is (6949.8 Btuh) if…