GATE ME 2021 Set 2 — Question 14
Go beyond PYQs with Success TrackerAI-powered personalised practice and doubt support. Unlimited practice on eligible plans; AI usage limits apply.MCQ+1 / -0.33EasyIron-Carbon DiagramStructure & PropertiesEngineering MaterialsFerrous & Non-Ferrous MaterialsHeat Treatment
Engineering Materials → Heat Treatment → Ferrous & Non-Ferrous Materials
Last updated
Question
The Cast Iron which possesses all the carbon in the combined form as cementite is known as
Correct answer
(D) White Cast Iron
Solution
White cast iron is characterized by the presence of carbon in the form of cementite () rather than graphite. This occurs when the cooling rate is fast enough to prevent graphitization, resulting in a very hard and brittle material with a white crystalline fracture surface.
Continue learning with Success Tracker
A step still unclear? Work through it with support
Use Success Tracker to ask about the reasoning, then try another GATE ME question to check your understanding.
AI-powered practice· Unlimited practice on eligible plans
- PYQs with solutions
- Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
- Practice that adapts
- Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
- AI doubt support
- Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.
Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.
This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.
More questions on Heat Treatment
2026 Set 1 Q62A metal has FCC crystal structure with 2.71 g/cm of density and 26.98 g/mol of atomic weight.…2025 Set 1 Q20Among the following surface hardening processes, steel is heated to the lowest temperature in2024 Set 1 Q28The phases present in pearlite are2023 Set 1 Q51The atomic radius of a hypothetical face-centered cubic (FCC) metal is nm. The…2023 Set 1 Q52A steel sample with 1.5 wt.% carbon (no other alloying elements present) is slowly cooled from 1100…