Upload Button Icon Add office photos
Engaged Employer

i

This company page is being actively managed by ISS Facility Services Team. If you also belong to the team, you can get access from here

ISS Facility Services Verified Tick

Compare button icon Compare button icon Compare

Filter interviews by

ISS Facility Services RO Plant Operator Interview Questions and Answers

Updated 23 Jan 2024

ISS Facility Services RO Plant Operator Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in

Round 1 - One-on-one 

(3 Questions)

  • Q1. What is ro plant
  • Ans. 

    RO plant stands for Reverse Osmosis plant. It is a water treatment system that uses a semi-permeable membrane to remove impurities from water.

    • RO plant is used to purify water by removing contaminants through the process of reverse osmosis.

    • It works by applying pressure to the water, forcing it through a membrane that only allows pure water molecules to pass through, leaving behind impurities.

    • RO plants are commonly used ...

  • Answered by AI
  • Q2. How to work ro membrane
  • Ans. 

    RO membrane works by using pressure to separate water molecules from impurities.

    • RO membrane uses a semi-permeable membrane to remove dissolved solids, ions, and other contaminants from water.

    • Water is forced through the membrane under high pressure, allowing only water molecules to pass through while rejecting impurities.

    • The membrane has tiny pores that are smaller than most contaminants, allowing only water molecules t...

  • Answered by AI
  • Q3. Tel me about your self

Interview Preparation Tips

Interview preparation tips for other job seekers - Info the ro plant

Interview questions from similar companies

Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Feb 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

What is tds and pH
Cod limit
Tds out of environment

Round 3 - One-on-one 

(3 Questions)

  • Q1. Test ph and tds cod and tss limit pH normal water and definition
  • Ans. 

    pH and TDS are important parameters to test in water treatment. COD and TSS limits vary depending on the type of water.

    • pH measures the acidity or alkalinity of water. Normal water pH is around 7.

    • TDS (Total Dissolved Solids) measures the amount of inorganic and organic substances in water. Normal TDS limit for drinking water is 500 ppm.

    • COD (Chemical Oxygen Demand) measures the amount of oxygen required to oxidize organi...

  • Answered by AI
  • Q2. Work expression in our company
  • Q3. Joining time limit 15

Interview Preparation Tips

Interview preparation tips for other job seekers - Company is best and management is very poor and salary time to time prouy

Skills evaluated in this interview

ISS Facility Services Interview FAQs

How many rounds are there in ISS Facility Services RO Plant Operator interview?
ISS Facility Services interview process usually has 1 rounds. The most common rounds in the ISS Facility Services interview process are One-on-one Round.
What are the top questions asked in ISS Facility Services RO Plant Operator interview?

Some of the top questions asked at the ISS Facility Services RO Plant Operator interview -

  1. How to work ro membr...read more
  2. What is ro pl...read more

Tell us how to improve this page.

ISS Facility Services RO Plant Operator Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

Interview Questions from Similar Companies

Quess Interview Questions
3.9
 • 404 Interviews
JLL Interview Questions
4.1
 • 348 Interviews
CBRE Interview Questions
4.2
 • 260 Interviews
Sodexo Interview Questions
4.1
 • 160 Interviews
G4S Interview Questions
4.0
 • 95 Interviews
Leadec India Interview Questions
4.1
 • 65 Interviews
Knight Frank Interview Questions
4.1
 • 44 Interviews
BVG India Interview Questions
3.9
 • 44 Interviews
View all
Facility Executive
231 salaries
unlock blur

₹2 L/yr - ₹6 L/yr

Assistant Manager
119 salaries
unlock blur

₹3.8 L/yr - ₹11 L/yr

Assistant Facility Manager
107 salaries
unlock blur

₹3.3 L/yr - ₹8 L/yr

Facility Manager
80 salaries
unlock blur

₹4.2 L/yr - ₹11.6 L/yr

Technical Executive
80 salaries
unlock blur

₹3 L/yr - ₹5.2 L/yr

Explore more salaries
Compare ISS Facility Services with

Sodexo

4.1
Compare

Compass Group Support Services

4.1
Compare

CBRE

4.2
Compare

JLL

4.1
Compare
Did you find this page helpful?
Yes No
write
Share an Interview