The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are $${\varepsilon _{\text{c}}}$$ and $${\varepsilon _l}$$ respectively. The change in volume of the boiler cylinder per unit volume will be
A. $${\varepsilon _{\text{c}}} + 2{\varepsilon _l}$$
B. $$2{\varepsilon _{\text{c}}} + {\varepsilon _l}$$
C. $${\varepsilon _{\text{c}}} + \varepsilon _l^2$$
D. $$\varepsilon _{\text{c}}^2 + {\varepsilon _l}$$
Answer: Option B
This Question Belongs to Mechanical Engineering >> Machine Design
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D. None of these
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A. Directly as load
B. Inversely as square of load
C. Inversely as cube of load
D. Inversely as fourth power of load
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A. Margin
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