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 A cylindrical pressure vessel with a 2m wide inside diameter is subjected to internal steam pressure of 1.5Mpa. Calculate the thickness of the plate required if corrosion allowance is considered as 2mm. The permissible value of tensile stress is 80N/mm².
  • a)
    15mm
  • b)
    19mm
  • c)
    21mm
  • d)
    17mm
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A cylindrical pressure vessel with a 2m wide inside diameter is subjec...
Explanation: t=PD/2σ + CA or t=1.5×2000/2×80 + 2.
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Most Upvoted Answer
A cylindrical pressure vessel with a 2m wide inside diameter is subjec...
Given:
Internal diameter = 2m
Internal pressure = 1.5 MPa
Corrosion allowance = 2mm
Permissible tensile stress = 80 N/mm^2

To find: Thickness of the plate required.

We can use the formula for thickness calculation of a cylindrical pressure vessel:

t = (P * d) / (2 * S - 1.5 * P)

where,
t = thickness of plate
P = internal pressure
d = internal diameter
S = permissible tensile stress

First, we need to convert the diameter from meters to millimeters:

d = 2m * 1000mm/m = 2000mm

Now, substituting the given values in the formula:

t = (1.5 MPa * 2000mm) / (2 * 80 N/mm^2 - 1.5 * 1.5 MPa) + 2mm

t = 14.53 mm + 2mm (corrosion allowance)

t = 16.53 mm

Therefore, the thickness of the plate required is 16.53 mm.
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A cylindrical pressure vessel with a 2m wide inside diameter is subjected to internal steam pressure of 1.5Mpa. Calculate the thickness of the plate required if corrosion allowance is considered as 2mm. The permissible value of tensile stress is 80N/mm².a)15mmb)19mmc)21mmd)17mmCorrect answer is option 'C'. Can you explain this answer?
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