चित्र में दिखाए गए रिवेटेड जोड़ में, Pt = प्रति पिच लंबाई में प्लेट का तनन प्रतिरोध (N), p = रिवेट की पिच (mm), t = प्लेट की मोटाई (mm), और σt = प्लेट सामग्री का अनुमेय तनन प्रतिबल (N/mm2) है। दो रिवेट के बीच प्लेट का तनन प्रतिरोध दिया गया है:

Task Id 1206 Daman (21)

This question was previously asked in
BHEL Engineer Trainee Mechanical 24 Aug 2023 Official Paper
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  1. Pt = 2(p - d).t. σt
  2. Pt = 2(p + d).t. σt
  3. Pt = (p - d).t. σt
  4. Pt = (p + d).t. σt

Answer (Detailed Solution Below)

Option 3 : Pt = (p - d).t. σt
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सिद्धांत:

रिवेटेड जोड़ में, प्लेट का तनन प्रतिरोध रिवेट छिद्रों के बीच बचे शुद्ध अनुप्रस्थ काट क्षेत्र के आधार पर निर्धारित किया जाता है।

\( P_t = (\text{शुद्ध क्षेत्रफल}) \times \sigma_t \)

दो रिवेट के बीच शुद्ध क्षेत्रफल = \( (p - d) \cdot t \)

दिया गया है:

\( p \) = रिवेट की पिच (mm)

\( d \) = रिवेट छिद्र का व्यास (mm)

\( t \) = प्लेट की मोटाई (mm)

\( \sigma_t \) = प्लेट सामग्री का अनुमेय तनन प्रतिबल (N/mm2)

गणना:

\( P_t = (p - d) \times t \times \sigma_t \)

 

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