2025 · Paper 1

Complete GATE ES 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 46–48 of 65. Imported answers require review unless explicitly marked reviewed.

Question 46

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ESMSQ2 marksNeeds review

According to the Bio-Medical Waste Management Rules, 2016, choose the correct option(s) from the following

Your answerSelect all correct options. You can choose more than one.

A.

Bio-medical waste generated should be taken to a common bio-medical waste management facility except for rural areas where common facility is not available.

B.

Bio-medical waste generated should not be taken out of the hospital premise as it may contain dangerous pathogenic organisms.

C.

The red bag containing the human anatomical wastes like amputated body parts, cotton and bandages contaminated with body fluids, etc. should be treated using autoclave or hydroclave to kill the pathogenic organisms.

D.

Increasing operational temperature of an autoclave from 121 °C (pressure 15 psi) to 149 °C (pressure 52 psi), the residence time requirement for treating bio-medical waste will be reduced by 15 minutes.

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Question 47

Open question

ESNAT2 marksNeeds review

A residential family is considering two cities for relocation. The data related to pollutant exposure and associated health cost per year are given in the following figure.



The pollutant exposure is characterized in high, mild and low exposure categories with respective probability values. The difference in expected value of health cost of City 1 with respect to that of City 2 is ____________ lakhs/year. (rounded off to two decimal places).

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Question 48

Open question

ESNAT2 marksNeeds review

The following is a system of linear equations



The value of



is __________. (rounded off to two decimal places)

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