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Previous year question hub

Humidification and Dehumidification - Food Engineering - Life Sciences Previous Year Questions

Practice Humidification and Dehumidification - Food Engineering - Life Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

2Papers
2Years
2Questions
1Topics

Humidification and Dehumidification question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Humidification and Dehumidification. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 1 50%
Easy 1 50%

Question type distribution

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

MCQ 1 50%
Numerical Answer Type (NAT) 1 50%

Subject weightage

Top subjects by unique question coverage.

Life Sciences
2 Qs

Most asked topics

Top topics across the included previous year papers.

Food Engineering
2 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Humidification and Dehumidification
2 Qs

Paper coverage

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

Life Sciences (XL) 2021
1 Qs
Life Sciences (XL) 2016
1 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
Life Sciences (XL) 202120211View paper
Life Sciences (XL) 201620161View paper

All Humidification and Dehumidification previous year questions

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

1
2016 · Life Sciences · Food Engineering · Humidification and Dehumidification
Life Sciences (XL) 2016
In a typical Psychrometric Chart shown below, the processes OP, OQ and OR related to air water vapor mixture are _____, _____ and _____. [Diagram: Psychrometric chart with points P, Q, R, O]

Source question diagram

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2
2021 · Life Sciences · Food Engineering · Humidification and Dehumidification
Life Sciences (XL) 2021
Dry air is fed into a tray dryer. The percentage relative humidity of the air leaving the dryer is 60% at 70°C and 101.35 kPa. If, saturated vapour pressure of water at 70°C is 31.2 kPa, the humidity of the air leaving the dryer in kg water per kg dry air (round off to 3 decimal places) will be ______. (Given : Molecular weight of water and air are 18.02 g mol⁻¹ and 28.97 g mol⁻¹ respectively)
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