Civil Engineering MCQs
Q A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of______________?
  • A A. Carbondioxide gas
  • B B. Hydrogen sulphide gas
  • C C. Methane gas
  • D D. Petrol vapours
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی ΩˆΩ‚Ψͺ Ω…ΫŒΪΊΨŒ ایک Ψ³Ψ§Ψͺھ، بیک ΩˆΩ‚Ψͺ

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