CDS 2014 PYQ with Answer — Which of the following is a good lubricant

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Atlas Essay Optional Vistaar

UPSC CDSCombined Defence Services Overview

Test Series

Daily Quiz
Mock Tests
All-India Test

Study

Syllabus
PYQs
Trends
Practice

Progress

Analytics
Rankings
Results

AI Tools

AI Doubts
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Exit to Mains

Overview Daily Quiz Mock Tests All-India PYQs Practice

CDS 2014 · General Knowledge (CDS-II)Q23

Back to the full 2014 paper

2014 · Q23

Which of the following is a good lubricant

General KnowledgeChemistry

ADiamond powder
BGraphite powder
CMolten carbon
DAlloy of carbon and iron

Explanation

Graphite's layered structure makes it a good dry lubricant.

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