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Previous year question hub

Mixtures of Ideal Gases - Engineering Sciences Previous Year Questions

Practice Mixtures of Ideal Gases - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

15Papers
15Years
46Questions
1Topics

Mixtures of Ideal Gases question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Mixtures of Ideal Gases. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 23 50%
Easy 21 45.7%
Hard 2 4.3%

Question type distribution

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

Numerical Answer Type (NAT) 25 54.3%
MCQ 15 32.6%
Fill in the blanks 3 6.5%
MSQ 3 6.5%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
46 Qs

Most asked topics

Top topics across the included previous year papers.

Mixtures of Ideal Gases
46 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Gas-mixture Properties and Psychrometrics
46 Qs

Paper coverage

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

Engineering Sciences (XE) 2026
5 Qs
Engineering Sciences (XE) 2025
3 Qs
Engineering Sciences (XE) 2024
3 Qs
Engineering Sciences (XE) 2023
2 Qs
Engineering Sciences (XE) 2022
4 Qs
Engineering Sciences (XE) 2021
5 Qs
Engineering Sciences (XE) 2020
1 Qs
Engineering Sciences (XE) 2019
3 Qs
Engineering Sciences (XE) 2018
3 Qs
Engineering Sciences (XE) 2017
3 Qs
Engineering Sciences (XE) 2016
4 Qs
Engineering Sciences (XE) 2015
2 Qs
Engineering Sciences (XE) 2014
3 Qs
Engineering Sciences (XE) 2013
3 Qs
Engineering Sciences (XE) 2012
2 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Gas-mixture Properties and Psychrometrics

Explore previous-paper coverage, trends and focused practice for Gas-mixture Properties and Psychrometrics.

46 questions15 papers15 years

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Engineering Sciences (XE) 202620265View paper
Engineering Sciences (XE) 202520253View paper
Engineering Sciences (XE) 202420243View paper
Engineering Sciences (XE) 202320232View paper
Engineering Sciences (XE) 202220224View paper
Engineering Sciences (XE) 202120215View paper
Engineering Sciences (XE) 202020201View paper
Engineering Sciences (XE) 201920193View paper
Engineering Sciences (XE) 201820183View paper
Engineering Sciences (XE) 201720173View paper
Engineering Sciences (XE) 201620164View paper
Engineering Sciences (XE) 201520152View paper
Engineering Sciences (XE) 201420143View paper
Engineering Sciences (XE) 201320133View paper
Engineering Sciences (XE) 201220122View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2012 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2012
The relative humidity of air (in percentage) is
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2
2013 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2013
Common Data for Questions 17 and 18: At a location where the atmospheric pressure is 98 kPa and the ambient temperature is 30°C, the humidity ratio is 0.01 kg/kg of dry air. A high pressure front moves over the location which changes only the atmospheric pressure to 102kPa, while the humidity ratio remains same.

What is the partial pressure of water vapour in kPa to the first decimal place accuracy before the high pressure front moves in? ________
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3
2014 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2014
The molecular weight of a mixture is 38.4 gm/mol. The mixture is composed of methane and carbon-dioxide gases. The atomic weights of the elements C, H, and O are 12, 1, and 16 gm/mol, respectively. The mole fraction of methane (\(X_{methane}\)) is __________ and that of carbon-dioxide (\(X_{carbon-dioxide}\)) is __________.
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4
2015 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2015
Consider the process of sensible cooling of air with 60% relative humidity at constant pressure. Which one of the following statements is TRUE for this process?
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5
2016 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2016
Moist air undergoes an adiabatic saturation process such that the relative humidity of air increases. For this process,
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6
2017 · Engineering Sciences · Mixtures of Ideal Gases · Gas-mixture Properties and Psychrometrics
Engineering Sciences (XE) 2017
If \(T_v\), \(T\), \(T_w\) and \(T_d\) denote virtual, dry bulb, wet bulb and dew point temperatures of a moist air parcel, then the correct order of their values is
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