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| Q. |
Select the incorrect statement about PWR. |
| A. | high primary circuit pressure requires a strong pressure vessel |
| B. | corrosion is less in pwr |
| C. | during fuel charging in pwr, the reactor has to be shut down at least for a month |
| D. | pwr results in uneven heating |
| Answer» B. corrosion is less in pwr | |
| Explanation: presence of high temperature and high pressure water, the corrosion is severe. this means use of stainless steel adds to further costing. when γ- radiations pass through the pressure vessel it results in uneven heating which induces thermal stresses on vessels. | |
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