# Presence of free moisture in coal during its high temperature carbonisation _____ ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: Presence of free moisture in coal during its high temperature carbonisation _____ ? Correct Answer: B. Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hotoven walls. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

---

Tested in Competitive Exams:

- [NTS Test Prep](https://test-prep.blog/exams/nts)
- [FPSC Past Papers](https://test-prep.blog/exams/fpsc)
- [PPSC Solved MCQs](https://test-prep.blog/exams/ppsc)
- [PMDC MDCAT 2026](https://test-prep.blog/exams/mdcat)
- [UET ECAT Prep](https://test-prep.blog/exams/ecat)
- [CSS Central Superior](https://test-prep.blog/exams/css)

- [Chemical Engineering Mcqs](https://test-prep.blog/categories/chemical-engineering-mcqs)
Difficulty: Challenging 59% Accuracy

# Presence of free moisture in coal during its high temperature carbonisation _____ ?

Direct Answer & Quick Reference

The correct option is **B. Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hotoven walls**.

A. Reduces the coking time

B. Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot

C. Increases the loss of fine coal dust from the ovens when charging

D. None of these

✨ Explain with AI

Verified Key: B. Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hotoven walls
Solved by 4,279+ students

Verified against official examination board answer keys and standard curriculum textbooks.

- [Previous Question Which of the following is a type of sedimentary rock?](https://test-prep.blog/mcq/which-of-the-following-is-a-type-of-sedimentary-rock-3c37d9b4-29f3-4b85-8ee8-c30cddad8e31)
- [Next Question Which of the following rock favors petroleum formation?](https://test-prep.blog/mcq/which-of-the-following-rock-favors-petroleum-formation-8de34f5c-5054-406d-81ba-a2b7a775b708)

- [Practice More Chemical Engineering Mcqs MCQs](https://test-prep.blog/quiz/smart?category=chemical-engineering-mcqs)
- [How We Verify Questions →](https://test-prep.blog/editorial-policy)

## Subject Overview

Explore thousands of solved past paper MCQs for Chemical Engineering Mcqs categorized with explanations.

- [Browse All Chemical Engineering Mcqs MCQs →](https://test-prep.blog/categories/chemical-engineering-mcqs)

## Related Questions

- [Which of the following is a type of sedimentary rock?](https://test-prep.blog/mcq/which-of-the-following-is-a-type-of-sedimentary-rock-3c37d9b4-29f3-4b85-8ee8-c30cddad8e31)
- [Which of the following rock favors petroleum formation?](https://test-prep.blog/mcq/which-of-the-following-rock-favors-petroleum-formation-8de34f5c-5054-406d-81ba-a2b7a775b708)
- [DLS stands For _____ ?](https://test-prep.blog/mcq/dls-stands-for-334d51e8-f12a-4948-aae4-0a921c1cabdc)
- [RIH stands for _____ ?](https://test-prep.blog/mcq/rih-stands-for-bb6912da-ac66-4daa-8872-080b0065be37)
- [“The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of _____ ?](https://test-prep.blog/mcq/the-heat-capacity-of-a-solid-compound-is-approximately-equal-to-the-sum-of-the-h-05c6d5e6-380a-4820-b10d-3ecfd779b04c)

---
*Source: https://test-prep.blog/mcq/presence-of-free-moisture-in-coal-during-its-high-temperature-carbonisation-____-f9366f42-303b-4e01-8a7d-36e08926621b*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*