Engineering, 02.09.2019 17:30 keiryporthillo

Asmall oxidized horizontal metal tube is placed in a very large furnace enclosure with firebrick walls. the metal tube has an outside diameter of 1.5 inch and a length of 3 ft. a surface emissivity of 0.7 and its surface is maintained at 650° f. the hot air in the furnace is 1500° f and the furnace brick walls are at 1350° f. the convection heat transfer coefficient for the horizontal tube is 3.0 btu/h. ft2. calculate: (a) the convective, radiative and total heat transferred to the metal tube (b) the percent of total heat transferred by radiation (c) the radiation heat transfer coefficient

Answers: 2

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 18:10, heidiburgos1own6c0

Fluids at rest possess no flow energy. a)- true b)- false

Answers: 3

continue

Engineering, 04.07.2019 18:10, keigleyhannah30

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.

Answers: 3

continue

Engineering, 04.07.2019 18:10, Candi9697

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

continue

Engineering, 04.07.2019 18:10, namira16

Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.

Answers: 2

continue

You know the right answer?

Asmall oxidized horizontal metal tube is placed in a very large furnace enclosure with firebrick wal...