Question
Download Solution PDF10 मिनिटांत 500 किलो पाणी 30 मीटर उचलू शकणार्या पंपाची (400 W निर्धारित) कार्यक्षमता शोधा. (g = 10m/s2 वापरा)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
पंप:
- पंप हे एक यांत्रिक उपकरण आहे ज्याचा वापर द्रव (द्रव किंवा वायू) ला नळमार्ग किंवा रबरी नळीच्या आतुन पुढे जाण्यास भाग पाडण्यासाठी केला जातो.
- ते चूषण (आंशिक निर्वात) तयार करून दबाव निर्माण करण्यासाठी देखील वापरले जातात, ज्यामुळे द्रव जास्त उंचीवर चढतो.
पंपची कार्यक्षमता, \(\eta =\frac{Useful ~power}{Power~rating}\)
गणना:
दिलेले आहे:
निर्धारित शक्ती = 400 W, उचललेल्या पाण्याचे वस्तुमान = 500 kg, H = 30 m, वेळ = 10 मिनिटे = 60 × 10 = 600 सेकंद, g = 10 m/s2
बल, F = m × g = 500 × 10 = 5000 N
कार्य = बल × विस्थापन (H) = 5000 × 30 = 150 kJ
⇒ उपयुक्त कार्य = 250 W
⇒ η = 62.5%
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