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Previous year question hub

Boiling and Condensation - Heat Transfer - Chemical Engineering Previous Year Questions

Practice Boiling and Condensation - Heat Transfer - Chemical Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

9Papers
9Years
9Questions
1Topics

Boiling and Condensation question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 6 66.7%
Medium 3 33.3%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 8 88.9%
Numerical Answer Type (NAT) 1 11.1%

Subject weightage

Top subjects by unique question coverage.

Chemical Engineering
9 Qs

Most asked topics

Top topics across the included previous year papers.

Heat Transfer
9 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Boiling and Condensation
9 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Chemical Engineering (CH) 2022
1 Qs
Chemical Engineering (CH) 2021
1 Qs
Chemical Engineering (CH) 2020
1 Qs
Chemical Engineering (CH) 2019
1 Qs
Chemical Engineering (CH) 2018
1 Qs
Chemical Engineering (CH) 2017
1 Qs
Chemical Engineering (CH) 2016
1 Qs
Chemical Engineering (CH) 2013
1 Qs
Chemical Engineering (CH) 2011
1 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Chemical Engineering (CH) 20222022
1 questions in this view		2022
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20212021
1 questions in this view		2021
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20202020
1 questions in this view		2020
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20192019
1 questions in this view		2019
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20182018
1 questions in this view		2018
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20172017
1 questions in this view		2017
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20162016
1 questions in this view		2016
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20132013
1 questions in this view		2013
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20112011
1 questions in this view		2011
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

All Boiling and Condensation previous year questions

Practice every matching question in batches of 20, with every available option.

1
2011 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2011

In film type condensation over a vertical tube, local heat transfer coefficient is

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2
2013 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2013
In a pool boiling experiment, the following phenomena were observed. P. Natural convection Q. Film boiling R. Transition boiling S. Nucleate boiling. What was the CORRECT sequence of their occurrence?
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3
2016 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2016
Steam at 100°C is condensing on a vertical steel plate. The condensate flow is laminar. The average Nusselt numbers are Nu1 and Nu2, when the plate temperatures are 10°C and 55°C, respectively. Assume the physical properties of the fluid and steel to remain constant within the temperature range of interest. Using Nusselt equations for film-type condensation, what is the value of the ratio Nu2/Nu1?
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4
2017 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2017

In nucleate boiling, the pressure inside a bubble is higher than the pressure of the surrounding liquid. Assuming that both the liquid and vapour are saturated, the temperature of the liquid will ALWAYS be

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5
2018 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2018
Vapour bubbles are formed in the nucleate boiling regime at a frequency of 10 bubbles per second per nucleation site. There are 100 nucleation sites per m\(^2\) of heating area. The latent heat of vaporization and the density of vapour under the operating condition are 1000 kJ/kg and 1 kg/m\(^3\) respectively. The diameter of each bubble is 10\(^{-3}\) m. Assume that the entire heat supplied is used for vapour generation. The heat flux (in Watt per m\(^2\) of heating area) is __________ (rounded off to third decimal place).
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6
2019 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2019
Pool boiling equipment operating above ambient temperature is usually designed to operate
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7
2020 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2020
Leidenfrost phenomenon refers to
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8
2021 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2021

Heat transfer coefficient for a vapor condensing as a film on a vertical surface is given by

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9
2022 · Chemical Engineering · Heat Transfer · Boiling and Condensation
Chemical Engineering (CH) 2022
Saturated steam condenses on a vertical plate maintained at a constant wall temperature. If \(x\) is the vertical distance from the top edge of the plate, then the local heat transfer coefficient \(h(x) \propto \Gamma(x)^{-1/3}\), where \(\Gamma(x)\) is the local mass flow rate of the condensate per unit plate width. The ratio of the average heat transfer coefficient over the entire plate to the heat transfer coefficient at the bottom of the plate is
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