General Studies · Internal Combustion Engines
Which material is filled inside hollow valves of some heavy-duty engines to facilitate rapid cooling via heat transfer?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Compressed air
- 2Synthetic oil
- 3Sodium✓
- 4Distilled water
Correct answer
Sodium
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for General Studies?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Internal Combustion Engines MCQs →Want more practice questions on Internal Combustion Engines?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in General Studies · Internal Combustion Engines