A Rectangular Steel Plate with Dimensions of 60 Cm *25 $\degree$

question 91

Multiple Choice

A rectangular steel plate with dimensions of 60 cm *25 cm is heated from 20 $\degree$ C to 150 $\degree$ C. What is its change in area? (Coefficient of linear expansion for steel is 11 *10 ^{- 6}/ $\degree$ C.)

• A) 0.82 cm²
• B) 1.1 cm²
• C) 4.3 cm²
• D) 6.6 cm²

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