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Objective Question & Answer

QUESTION

Objective Question

Q.1

If the length of a 16 mm diameter bar is 10 m, its weight is:

A
16.5 kg
B
16.9 kg
C
15.8 kg
D

16.2 kg
Answer ( Option C)

15.8 kg

Solution

Given L = 10 m,

d = 0.016 m

steel density = 7,850 kg/m³.

Weight W = (π/4)d2 Lp× r = π/4 × 0.0162 ×10 ×7850 = 15.78 kg - 15.8 kg.

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