Threshold limit value (TLV) of CO in air is _____________... — Answer & Explanation | PrepBeePakistan

Home MCQs Quiz Past Papers FIA Prep Contact

Quick navigation

Home MCQs Categories Quiz Past Papers FIA Prep Search Contact Us

Popular categories

English GK Mathematics Current Affairs Islamic Studies Computer Science

Preparing your study page...

Prepare Smarter. Score Better. Original demo content only; production MCQs should be original, licensed, public-domain, user-owned, or permission-based.

Contact

Got an idea? Let's build it!

For website support or bug reports, email support@prepbeepakistan.com.

For suggestions, web development, mobile applications, or custom software solutions, email contact@prepbeepakistan.com.

Or use our contact form →

FPSC MCQs PPSC MCQs NTS MCQs CSS MCQs Punjab Police MCQs FIA MCQs CTD MCQs Rangers MCQs Computer Science MCQs General Knowledge MCQs Pakistan Studies MCQs

© 2026 PrepBeePakistan. All rights reserved.

Privacy Policy Terms of Service Delete My Account

HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Threshold limit value (TLV) of CO in air is _____________ ppm?

Correct answer: A

Explanation

The Threshold Limit Value (TLV) for Carbon Monoxide (CO) is generally accepted as 5 ppm.

Start Related Quiz Submit Correction More MCQs