Q. Priming of a centrifugal pump is done to:

एक केन्द्रापसारक पम्प की प्राइमिंग निम्न के लिए की जाती है:

A
Increase mass flow rate
द्रव्यमान प्रवाह दर बढ़ाएँ
B
Develop effective pressure rise
प्रभावी दबाव वृद्धि का विकास करें
C
Avoid separation inside impeller
प्ररित करनेवाला के अंदर पृथक्करण से बचें
D
None of these
इनमें से कोई नहीं

Explanation

Centrifugal pumps cannot pump air. Priming removes air and fills the pump casing with liquid to allow the impeller to generate the necessary pressure rise to start flow. Without priming, cavitation or dry running may occur.

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