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Chemical Engineering · Q423

Chemical Engineering Basics

Engineering and GATE · Chemical Engineering · question 423

Q423

Pick out the wrong statement.

A.
In a thin spherical shell under internal pressure, hoop stress is equal to the half of axial stress
Answer
B.
Thermoplastic material does not follow Hooke's law of elasticity
C.
Components under longitudinal compression is called 'struts' and the load under which strut fails is called crippling or buckling load
D.
At low temperatures (sub-zero) in pressure vessels, the ductility of metal diminishes and brittle fracture occurs while at high temperature in pressure vessels, embrittlement of material may take place

Answer: Option A

Solution

Answer: Option A
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