Chemical Engineering Basics-2 - Chemical Engineering Questions and Answers

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Lap joints are preferred over butt joints in soldering/brazing, because these joints are

Weaker in tension but stronger in shear

Weaker in shear but stronger in tension

Stronger in both shear and tension

The lap joints are easily made

α-rays are

Negatively charged

Positively charged

Neutral

Same as X-rays

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

ΔQ = 0, ΔS=0

ΔQ = 0 , ΔS = +ve

ΔQ = 0, ΔS = -ve

ΔQ = +ve , ΔS= +ve

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