Two radiating surface A 1 = 6 m2 and A 2 = 4 m2 have shape factor F 12 – McqOptions

MCQOPTIONS

1.	Two radiating surface A ₁ = 6 m² and A ₂ = 4 m² have shape factor F ₁₂ = 0.1. Then the shape factor F ₂₁ will be
A.	0.12
B.	0.18
C.	0.15
D.	0.10
Answer» D. 0.10

Discussion

No Comment Found

Related MCQs

For the same amount of fabrication material and same inside capacity, the heat loss is lowest in
For the same material and same temperature difference, the heat flow in terms of shape factor is given by
The shape factor for complete rectangular furnace isWhere a, b and c are the inside dimensions and d x is the wall thicknessa) 2/ d x (a b + b c + c a) + 4 (0.64) (a + b +c) + 8 (0.45) d xb) 2/ d x (a b + b c + c a) + 4 (0.44) (a + b +c) + 8 (0.35) d xc) 2/ d x (a b + b c + c a) + 4 (0.34) (a + b +c) + 8 (0.25) d xd) 2/ d x (a b + b c + c
Which is true regarding a complete rectangular furnace?
Shape factor for sphere is
The annealing furnace for continuous bar stock is open at the ends and has interior dimensions of 0.6 m * 0.6 m * 1.5 m long with a wall 0.3 m thick all around. Calculate the shape factor for the furnace?
Shape factor for cylinder is
For a prescribed temperature difference, bodies with the same shape factor will allow heat conduction proportional to
Shape factor for a plane wall is equal to
“All the factors relating to the geometry of the sections are grouped together into a multiple constant called the shape factor”.