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If metal is freezing against a flat mould wall and heat flow is normal to mould surface, then how the thickness (x) of solid metal deposited related with time (t)?
  • a)
    x α √t
  • b)
    x α t
  • c)
    t α √x
  • d)
    x α t2
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If metal is freezing against a flat mould wall and heat flow is normal...
Is directly proportional to t
b)x is inversely proportional to t
c)x is proportional to the square root of t
d)x is proportional to the cube root of t

Answer: a) x is directly proportional to t. As the metal freezes against the flat mould wall, the thickness of the solid metal layer deposited increases with time. Therefore, x and t are directly proportional to each other.
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If metal is freezing against a flat mould wall and heat flow is normal to mould surface, then how the thickness (x) of solid metal deposited related with time (t)?a)xα√tb)xαtc)t α √xd)xαt2Correct answer is option 'A'. Can you explain this answer?
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