100 mm × 250 mm के एक आयताकार अनुप्रस्थ काट वाले बीम के लिए औसत अपरूपण प्रतिबल ज्ञात करें, जो 3 N/mm2 के अधिकतम अपरूपण प्रतिबल के अधीन है।

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PGCIL DT Civil 5 May 2023 Official Paper
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  1. 2.25 N/mm2
  2. 4.5 N/mm2
  3. 2 N/mm2
  4. 4 N/mm2

Answer (Detailed Solution Below)

Option 3 : 2 N/mm2
Free
CT 1: Classification I
10 Qs. 10 Marks 10 Mins

Detailed Solution

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अवधारणा:

आयताकार खंड के लिए अधिकतम अपरूपण प्रतिबल और औसत अपरूपण  प्रतिबल के बीच संबंध;

जहां = अधिकतम अपरूपण प्रतिबल, = औसत अपरूपण प्रतिबल, V = अपरूपण बल, b = अनुभाग की चौड़ाई, और d = अनुभाग की गहराई।

गणना:

दिया गया

बीम अनुप्रस्थ काट = 100 mm × 250 mm

अधिकतम अपरूपण प्रतिबल () = N/mm2

अतः विकल्प (3) सही है।

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