Civil Engineering MCQJE Level Civil Engineering
Young''s modulus (E) is related to shear modulus (G) and Poisson''s ratio (μ) by:
Strength of MaterialsStrength of MaterialsMEDIUM
Choose the correct answer
A
E = G(1 + 2μ)
B
E = 2G(1 + μ)
C
E = G/2(1 + μ)
D
E = 3G(1 − μ)
Correct Answer
B. E = 2G(1 + μ)
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
Relationship: E = 2G(1 + μ). Also: E = 3K(1 − 2μ) where K = bulk modulus. For steel: E = 200 GPa, G = 80 GPa, μ ≈ 0.3. Check: 2G(1+μ) = 2×80×1.3 = 208 ≈ 200 GPa. These relate three elastic constants; only two are independent.
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
Concept shortcut
IS/IRC reference
Common trap
Practice more Civil Engineering questions
This MCQ belongs to JE Level Premium Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.