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Question 18

If 1.2 × 106J of heat energy is given off in 1sec from a vessel maintained at a temperature gradient of 30km-1, the surface area of the vessel is [thermal conductivity of the vessel = 400w/m/k]

  • A.1.0 × 103m2
  • B.1.0 × 102m2
  • C.1.0× 10m2
  • D.9.0 × 102m2
Objective

Question details

Exam body
UNIPORT
Subject
Physics
Year
2011/2012
Question no.
#18
Type
Objective
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