Q.5) A bar of 20 mm diameter is tested in tension. When a load of 38 kN was applied extension of 0.12 mm was measured over a length of 200 mm and contraction in diameter was 0.004 mm. If Young's modulus is 2 x 10 N/mm2 then the value of modulus of rigidity is (A) 65000 N/mm2 (C) 75000 N/mm2 (B) 70000 N/mm2 (D) 80000 N/mm
Q.5) A bar of 20 mm diameter is tested in tension. When a load of 38 kN was applied extension of 0.12 mm was measured over a length of 200 mm and contraction in diameter was 0.004 mm. If Young's modulus is 2 x 10 N/mm2 then the value of modulus of rigidity is (A) 65000 N/mm2 (C) 75000 N/mm2 (B) 70000 N/mm2 (D) 80000 N/mm
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Solid mechanics
![Q.5) A bar of 20 mm diameter is tested in tension. When a load of 38 kN was applied
extension of 0.12 mm was measured over a length of 200 mm and contraction in
diameter was 0.004 mm. If Young's modulus is 2 x 10 N/mm2 then the value of
modulus of rigidity is
(A) 65000 N/mm2
(C) 75000 N/mm2
(B) 70000 N/mm
(D) 80000 N/mm?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F63ce4422-fdd5-4bc8-93ea-40bad1a903ef%2Fb80ba4a9-c64c-4d49-9e6a-e870d0ae60e0%2Ffw31tk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q.5) A bar of 20 mm diameter is tested in tension. When a load of 38 kN was applied
extension of 0.12 mm was measured over a length of 200 mm and contraction in
diameter was 0.004 mm. If Young's modulus is 2 x 10 N/mm2 then the value of
modulus of rigidity is
(A) 65000 N/mm2
(C) 75000 N/mm2
(B) 70000 N/mm
(D) 80000 N/mm?
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