एक आवेग टरबाइन 1000 rpm पर 600 m शुद्ध दाबोच्चता के साथ चल रहा है। यदि नोजल के माध्यम से निस्सरण 0.1 m3/s है, तो नोजल पर उपलब्ध शक्ति कितनी होगी? g = 10 m/s2 लीजिए।

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SSC JE Mechanical 9 Oct 2023 Shift 2 Official Paper-I
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  1. 450 kW
  2. 600 kW
  3. 525 kW
  4. 700 kW

Answer (Detailed Solution Below)

Option 2 : 600 kW
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संकल्पना: 

पेल्टन पहिए वाले टरबाइन के नोज़ल पर उपलब्ध शक्ति (kW में) की गणना निम्न द्वारा की गयी है।

\(P= \dfrac{{ρ gQH}}{{1000}}\)

जहाँ ρ = पानी का घनत्व, = नोजल के माध्यम से निर्वहन, = पेल्टन व्हील पर परिणामी दाबोच्चता 

गणना:

दिया गया है:

नोजल के माध्यम से निर्वहन Q = 0.21 m3/s, पेल्टन पहिया पर परिणामी दाबोच्चता H = 600 m, पानी का घनत्व ρ = 1000 kg/m3

\(P = \dfrac{{ρ gQH}}{{1000}} =\dfrac{1000\times10\times 0.1\times600}{1000}= 600\;kW\)

∴ नोजल पर उपलब्ध शक्ति 600 kW है।

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