The petersons need to choose new shingles to put on their roof. what model will be best to them choose shingles with a style that will look the way they want? a. a three-dimensional model of their house b. a map of their neighborhood c. photographs of homes with different shingle styles d. a floor plan drawing of their house

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

The higher the astm grain size number, the finer the gran is. a)-true b)-false

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k