About GWSSB
GWSSB Interview Questions and Answers
Updated 21 Feb 2026Electrical Engineer Interview Experience
Candidate: Kiran Joshi
Experience Level: Entry-level
Applied Via: Online portal
Difficulty:
Final Result:
Interview Process
2
Questions Asked
- Explain the electrical systems used in water treatment plants.
- How do you troubleshoot electrical faults?
- What safety protocols do you follow?
Advice
Study the specific electrical equipment used in water supply systems and safety standards.
Full Experience
The first round was a technical written test, followed by an interview focusing on practical knowledge and safety. The interviewers were friendly and supportive throughout.
Project Manager Interview Experience
Candidate: Priya Desai
Experience Level: Mid-level
Applied Via: Online portal
Difficulty:
Final Result: Rejected
Interview Process
2
Questions Asked
- How do you manage project timelines?
- Describe your experience with budgeting in infrastructure projects.
- How do you handle stakeholder communication?
Advice
Enhance your knowledge of local regulations and improve examples of past project successes.
Full Experience
The interviewers were interested in my project management approach and ability to handle multiple stakeholders. I felt I could have provided stronger examples.
Mechanical Engineer Interview Experience
Candidate: Amit Shah
Experience Level: Senior
Applied Via: Walk-in
Difficulty: Hard
Final Result:
Interview Process
3
Questions Asked
- Explain maintenance procedures for pumping stations.
- Describe a challenging mechanical failure you resolved.
- How do you ensure compliance with safety standards?
Advice
Be ready to discuss detailed technical scenarios and leadership experiences.
Full Experience
The first round was a technical test, the second a panel interview, and the third a practical assessment. The interviewers focused on my experience with water supply machinery and team management.
Accountant Interview Experience
Candidate: Sneha Mehta
Experience Level: Entry-level
Applied Via: Referral
Difficulty: Easy
Final Result: Rejected
Interview Process
1
Questions Asked
- What accounting software are you familiar with?
- How do you ensure accuracy in your reports?
Advice
Gain more practical experience with accounting software and familiarize yourself with government accounting standards.
Full Experience
The interview was straightforward, mostly about my educational background and basic accounting principles. I felt underprepared for some questions about government-specific accounting practices.
Civil Engineer Interview Experience
Candidate: Ravi Patel
Experience Level: Mid-level
Applied Via: Online portal
Difficulty:
Final Result:
Interview Process
2
Questions Asked
- Explain the process of water treatment.
- How do you handle project delays?
- Describe your experience with CAD software.
Advice
Prepare technical knowledge on water infrastructure and project management skills.
Full Experience
The first round was a technical written test focusing on civil engineering concepts related to water supply. The second round was an in-person interview where they asked about my previous projects and problem-solving approaches. Overall, the process was smooth and fair.
Frequently Asked Questions in GWSSB
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Common Interview Questions in GWSSB
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: T, U, V are 3 friends digging groups in fields. If T & U can complete i groove in 4 days &, U & V can complete 1 groove in 3 days & V & T can complete in 2 days. Find how many days each takes to complete 1 groove individually.
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?
Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
Q: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â
Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
Q: A person meets a train at a railway station coming daily at a particular time. One day he is late by 25 minutes, and he meets the train 5 k.m. before the station. If his speed is 12 kmph, what is the speed of the train.
Q: There are some chickens in a poultry. They are fed with corn. One sack of corn will come for 9 days. The farmer decides to sell some chickens and wanted to hold 12 chicken with him. He cuts the feed by 10% and sack of corn comes for 30...
Q: Motorboat A leaves shore P as B leaves Q; they move across the lake at a constant speed. They meet first time 600 yards from P. Each returns from the opposite shore without halting, and they meet 200 yards from. How long is the lake?