arrow
arrow
arrow
Calculate the theoretical weight of a steel bar of length 8 m and diameter 20 mm. Take density of steel as 7850 kg/m³.
Question

Calculate the theoretical weight of a steel bar of length 8 m and diameter 20 mm. Take density of steel as 7850 kg/m³.

A.

19.72 kg

B.

12.56 kg

C.

15.58 kg

D.

17.77 kg

Correct option is A


Given,
Length, L = 8 m
Diameter (ɸ) = 20 mm = 20 × 10-³ m
Density of steel (ds) = 7850 kg/m³

test-prime-package

Access ‘SSC JE Civil’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
test-prime-package

Access ‘SSC JE Civil’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow