General Studies · Fluid Machinery
यदि गति को स्थिर रखते हुए एक रेडियल प्रवाह पंप के प्ररित करनेवाला (impeller) का व्यास दोगुना कर दिया जाए, तो विकसित सैद्धांतिक शीर्ष (head) में क्या परिवर्तन होगा?
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