Solved question paper for CHEM May-2021 (DIPLOMA 1st-2nd)
Solved Question Paper
Chemistry May-2021
PSBTE • DIPLOMA • Cvil Engineering • 1st-2nd • May-2021
CHEM (chemistry) for Punjab State Board of Technical Education Diploma in Engineering 1st-2nd semester students is collected here as subject-wise previous year question papers and old papers for quick revision. Students can use these PYQ papers to understand the exam pattern, check repeated questions, and prepare important topics in a simple, semester-wise way. This page helps you find and download diploma question paper PDFs for CHEM and review common unit-wise questions before exams. BRpaper is not the official website of the Punjab State Board of Technical Education, and the papers here are meant for study reference and exam preparation only.
Solved Questions
Solved-
Explain electromagnetic separation for concentration of ores.Short Answer 5 Marks May-2021 • PSBTE DIPLOMA
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May 2019 Explain electromagnetic separation process for concentration of ores.
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Dec 2016
Explain electromagnetic separation process for the concentration of ores?
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What is a refractory material?Short Answer 3 Marks May-2021 • PSBTE DIPLOMA
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May 2018
What are the main characteristics of a good refractory?
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Dec 2018 What are the characteristics of a good refractory material?
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Dec 2018 What are the characteristics of a good refractory material?
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May 2017
What are the characteristics of a good refractory material?
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May 2016
What are refractories? Give characteristics of a good refractory material.
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May 2015 What are the characteristics of good refractory material?
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What is flash point and fire point of a lubricant?Short Answer 3 Marks May-2021 • PSBTE DIPLOMA
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May 2021
Define flash and fire point of lubricants.
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May 2019 What is fire point and flash point of a lubricant?
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Dec 2018 Explain flash point of a lubricant.
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Dec 2018 Explain fire point of a lubricant.
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Dec 2018 Explain flash point and fire point of a lubricant.
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May 2015 Explain flash and fire points as applied to lubricants.
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What are the characteristics of a good lubricant?Short Answer 3 Marks May-2021 • PSBTE DIPLOMA
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May 2021
What are the functions of a lubricant?
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May 2020 What are the functions of lubricants?
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May 2019 What are the functions of a lubricant?
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May 2019 What are the functions of a lubricant?
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Dec 2018 What are the characteristics of a good lubricant?
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Dec 2018 What are the characteristics of a good lubricant?
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Dec 2017
What are functions of lubricants?
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Dec 2017
What are lubricants? How are they classified?
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Dec 2016
Define the term lubricant? What are the function of lubricant?
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May 2015 What are the characteristics of a good lubricant?
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May 2015 What are lubricants?
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Dec 2015 What are the functions of lubricants?
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Define calorific value of a fuel? What are the units of calorific value?Short Answer 3 Marks May-2021 • PSBTE DIPLOMA
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May 2019 What is calorific value of a fuel? Name the apparatus used to measure calorific value.
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Dec 2018 Define calorific value of a fuel.
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May 2015 Explain calorific value of fuel.
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What are the advantages of gaseous fuels over solid and liquid fuels?Short Answer 5 Marks May-2021 • PSBTE DIPLOMA
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May 2019 What are fuels? What are the advantages of gaseous fuels?
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May 2018
What are the advantages of gaseous fuels?
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Dec 2018 What are the advantages of gaseous fuels?
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Dec 2018 What are the advantages of gaseous fuels?
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May 2015 Explain advantages of gaseous fuel over solid fuels.
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Define corrosion? How is it different from erosion?Short Answer 3 Marks May-2021 • PSBTE DIPLOMA
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May 2020 What is difference between corrosion and erosion?
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Dec 2018 What is the difference between erosion and corrosion?
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Dec 2018 What is the difference between erosion and corrosion?
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Dec 2017
Define erosion. How it is different from corrosion?
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May 2015 Define corrosion. How is it different from erosion?
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Dec 2015 How is erosion different from corrosion?
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What is galvanization of iron? Explain.Short Answer 3 Marks May-2021 • PSBTE DIPLOMA
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May 2021
What is galvanization?
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May 2020 What is Galvanization? How it is done?
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May 2019 Write brief note on galvanization.
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May 2019 What is galvanization?
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Dec 2018 Define the term galvanization.
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Dec 2018 Define the term galvanization.
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Differentiate between ferrous and non-ferrous alloys.Short Answer 3 Marks May-2021 • PSBTE DIPLOMA
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Give the uses of the following alloys Nickel steel.Long Answer 10 Marks May-2021 • PSBTE DIPLOMA
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May 2021 Give the uses of the following alloys Alnico.
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May 2021 Give the uses of the following alloys Solder.
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May 2021 Give the uses of the following alloys Nichrome.
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Give the uses of the following alloys Alnico.Long Answer 10 Marks May-2021 • PSBTE DIPLOMA
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May 2021 Give the uses of the following alloys Nickel steel.
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May 2021 Give the uses of the following alloys Solder.
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May 2021 Give the uses of the following alloys Nichrome.
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Give the uses of the following alloys Solder.Long Answer 10 Marks May-2021 • PSBTE DIPLOMA
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May 2021 Give the uses of the following alloys Nickel steel.
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May 2021 Give the uses of the following alloys Alnico.
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May 2021 Give the uses of the following alloys Nichrome.
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Give the uses of the following alloys Nichrome.Long Answer 10 Marks May-2021 • PSBTE DIPLOMA
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May 2021 Give the uses of the following alloys Nickel steel.
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May 2021 Give the uses of the following alloys Alnico.
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May 2021 Give the uses of the following alloys Solder.
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FAQ
Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
01 Where can I find CHEM previous year question papers for PSBTE Diploma?
You can use this CHEM subject page to find subject-wise previous year question papers for the PSBTE Diploma in Engineering 1st-2nd semester.
02 Can I download CHEM diploma question paper PDF from this page?
This page is meant to help students locate CHEM question paper PDFs and old papers for study and revision.
03 Are solved CHEM question papers available here?
Students often search for solved papers, but this page is mainly for previous year question papers and exam preparation material.
04 How do CHEM old papers help in exam preparation?
Old CHEM papers help you understand the exam pattern, spot repeated questions, and revise important units before the exam.
05 Is BRpaper the official website of Punjab State Board of Technical Education?
No. BRpaper is not the official website of Punjab State Board of Technical Education; it is a study reference page for question papers.