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What increases as steam pressure increases inside a boiler?

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What increases as steam pressure increases inside a boiler?

(a) Force

(b) Density

(c) Rate of steam conversion

(d) Viscosity

I had been asked this question during an interview.

My question is taken from Function of Boilers in division Steam Generators & Accessories of Energy Engineering

1 Answer

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Best answer
Correct option is (b) Density

Easiest explanation: As the steam pressure increases, its density also increases while the corresponding increase in temperature causes density of water to decrease. This makes the pressure difference causing water flow to decrease.

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