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In RCC slabs only iron rods are used but...

In RCC slabs only iron rods are used but not of any other metal because

A

it has more ultimate strength

B

they are cheap

C

elasticity is more

D

the coefficient of expansions of concrete and iron are equal.

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
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  4. Among the following solids, the lowest coefficient of expansion is for

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  5. If the length of a body is measured in centimeters instead of meters, ...

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  6. A solid ball of metall has a spherical cavity inside it. The ball is h...

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  7. A platinum wire can be sealed through glass, but a brass wire cannot b...

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  8. Two spheres of same size are made of same metal, but one is hollow and...

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  9. A metal washer has a hole of diameter d(1) and an external diameter d(...

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  10. A metal sphere is heated. Maximum percentage increase occurs in its

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  11. Thermostat works on the principle of

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  12. Two metal strips that constitute a thermostat must necessarly differ i...

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  13. A bimetal made of copper and iron strips welded together is straight a...

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  14. Which of the following statement is wrong

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  15. The coefficients of linear expansion of P and Q are alpha(1)andalpha(2...

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  16. A uniform metallic rod rotates about its perpendicular bisector with c...

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  17. A uniform metallic rod rotates about its perpendicular bisector with c...

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  18. Coefficient of volume expansion of copper as a function of temperature

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  19. Coefficient of linear expansion of brass and steel rods are alpha(1)an...

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  20. Which of the following behaves like water between 0^(@)Cand4^(@)C.

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