Engineering

Boost your preparation with the latest Engineering MCQs with answers and explanations. Our collection covers civil engineering, electrical engineering, mechanical engineering, electronics, software engineering, and other core subjects. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, PEC exams, university entry tests, and job interviews. Practice online with updated Engineering MCQs to strengthen concepts, improve technical knowledge, and perform better in exams and recruitment tests.

📘 Chemical Engineering
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📘 Software Engineering MCQs

2353. Choose the correct statement regarding thermal cracking.

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Moderate changes in operating temperature does not change the depth of cracking.
Increased residence time results in the decreased severity of cracking.
At low pressure, the yield of lighter hydrocarbons are more.
Greater depth of cracking gives lower octane number gasoline.
✅ The correct answer is option D.

2360. ‘Utilities’ in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product cost.

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l to 5
10 to 20
25 to 35
35 to 45
✅ The correct answer is option B.