Practice question
एक सेंट्रीफ्यूगल (अपकेंद्री) पंप अधिकतम हाइड्रोलिक दक्षता तब देता है जब उसके इम्पेलर ब्लेड होते हैं:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1तरंग के आकार के (Wave-shaped)
- 2पीछे की ओर झुके हुए (Bent backward)✓
- 3आगे की ओर झुके हुए (Bent forward)
- 4सीधे (Straight)
सही उत्तर देखें
पीछे की ओर झुके हुए (Bent backward)
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