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City Elevator Interview Questions, Process, and Tips
City Elevator Interview Experiences
1 interview found
Anonymous
I was interviewed before Dec 2019.
Interview Questionnaire
10 Questions
- Q1. Tell me about your self and your family background?
- Q2. What you know about elevator. How it's work?
- Ans.
Elevator is a vertical transportation device that moves people or goods between floors of a building.
Elevators are powered by electric motors that drive traction cables or hydraulic pistons.
They have safety features such as emergency brakes, overspeed governors, and door interlocks.
Elevators can be controlled by various systems such as relay logic, microprocessors, or destination dispatch.
Modern elevators also have fea...
- Q3. What different types of motor we used in elevator?
- Ans.
There are mainly two types of motors used in elevators: AC and DC motors.
AC motors are commonly used in high-rise buildings and have a longer lifespan.
DC motors are used in low-rise buildings and are more energy-efficient.
AC motors are more expensive than DC motors.
AC motors have a higher starting torque than DC motors.
Examples of AC motors used in elevators include induction motors and synchronous motors.
Examples of D...
- Q4. How ac drive work? What different type of starter?
- Ans.
AC drives control the speed of AC motors by varying the frequency of the electrical supply.
AC drives use power electronics to convert AC power to DC power and then back to AC power at the desired frequency.
Different types of starters include direct-on-line (DOL), star-delta, soft starters, and variable frequency drives (VFDs).
DOL starters provide full voltage to the motor, while star-delta starters reduce the voltage d...
- Q5. Why oli lubricant we used in elevator?
- Ans.
Oil lubricant is used in elevators to reduce friction and wear on moving parts.
Oil lubricant reduces friction between moving parts in elevators.
It helps to prevent wear and tear on elevator components.
Oil lubricant also helps to dissipate heat generated by friction.
Different types of oil lubricants are used depending on the elevator's design and usage.
Regular maintenance and oil changes are necessary to ensure proper e
- Q6. What is traction?
- Q7. Different type of battery. Any one battery working principle
- Ans.
A battery converts chemical energy into electrical energy. For example, a lead-acid battery used in cars.
Batteries work by converting chemical energy into electrical energy
Common types of batteries include lead-acid, alkaline, lithium-ion, and nickel-cadmium
Lead-acid batteries are commonly used in cars and work by converting lead and lead oxide into lead sulfate
Alkaline batteries use zinc and manganese dioxide to creat...
- Q8. What is transformer? How it work? How we convert ac into pure dc?
- Ans.
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers work on the principle of electromagnetic induction.
They consist of two or more coils of wire, known as windings, which are wound around a core made of magnetic material.
When an alternating current (AC) flows through the primary winding, it creates a changing magnetic field i...
- Q9. What latest motor used in elevator
- Ans.
The latest motor used in elevators is the permanent magnet synchronous motor (PMSM).
PMSM is more energy-efficient and has a higher power density than traditional motors.
It uses rare-earth magnets to create a magnetic field that rotates the motor shaft.
PMSM is also quieter and requires less maintenance than other motors.
Examples of elevators that use PMSM include Otis Gen2 and KONE MonoSpace 500.
- Q10. How synchroniz motor used.
- Ans.
Synchronous motors are used to maintain constant speed and power supply in industrial applications.
Synchronous motors have a rotor with permanent magnets that rotate at the same speed as the stator's magnetic field.
They are used in applications where constant speed is required, such as in electric power generation, industrial machinery, and robotics.
Synchronous motors are also used in applications where precise control...
Interview Preparation Tips
Top City Elevator Maintenance Engineer Interview Questions and Answers
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Interview Preparation Tips
Experience: Data interpretation questions,english vocabulary(GRE BARRONS) is most important , apptitude questions and reasoning are from R S agarwal.
Total Questions: 65
Round: Technical Interview
Experience: Interviewer asked about your core subject littlebit and dont have any deep questions from c and c++.
Round: HR Interview
Experience: Given a topic and asked me to speak about that topic for one minute and given a situation asked me how would you react on that situation.
General Tips: It is easy to get a job in infosys comparatively other companies because you dont need to prepare for software side.
Prepare aptitude and reasoning from R S Agarwal and GRE BARRONS for vocabulary
College Name: NIT WARANGAL
Interview Preparation Tips
Experience: CPI based shortlisting. Around 6-7 people from MME with CPI > 7.9 were shortlisted.
Round: Interview (Telephonic)
Experience: Duration: 10-15 minutes
Questions :
1. Name
2. Resume Based Questions
3. Internships and projects
4. Technical Questions
5. Favorite Subject and questions on that
6. BTP
General Tips: 1. Choose which subject you will say as your favorite and prepare that thoroughly.
2. Read Proforma of company and prepare accordingly.
3. It is most secure if you can direct the interviewer to ask questions about your internships and projects, because that is something you know better than him/her.
4. Prepare puzzles etc. generally asked in interviews.
5. Keep a Positive Attitude in general. Have an attitude of “I don’t need the company, the company needs me”.
Skill Tips: This company basically needed only 1 MME student was selected - who did both his interns and projects in ‘Modeling and Simulation’.
Skills: Thermodynamics of Materials, Characterization, Manufacturing Processes ,
College Name: IIT- Kanpur
Interview Questionnaire
1 Question
- Q1. Basic HR questions, your understanding of your projects, biggest achievement so far??
Interview Preparation Tips
Tips: Get to know your resume very well, have a story for each of your resume point
Round: Test
Experience: Written test. Basic Quant and one short essay to test your English.
Round: Interview
Experience: They were looking for people with good math skills and team player.
Round: Interview
Experience: Prepare for all the basic HR questions beforehand, write them down. for core get your basic fundamentals perfect.
Tips: I started preparing for placements from Nov starting but starting early will be better.
General Tips: Prepare for all the basic HR questions beforehand, write them down.
For core, get your basic fundamentals perfect.
Skills: Basic fundamentals
College Name: IIT-Madras
Interview Preparation Tips
Experience: Candidates with CG equal to or higher than 8.0 were selected.
Round: Test
Experience: It was divided in 2 sets of 45 minutes each.
Coding: To write a function to find if a string is palindrome or not.
Verbal+quant: These were CAT model questions.
Duration: 90 minutes
Round: Interview
Experience: There were 2 rounds of this interview. Both were HR and questions based on resume and some general questions were asked.
Tips: I think I was selected because of my CG, coding skills and communication skills.
General Tips: If you're preparing for core, make sure you start revising your subjects soon. Keep your notes and concentrate on structures.
Skill Tips: I started my preparations in November by going through case study material available in lan and solving CAT questions.
College Name: IIT MADRAS
Interview Preparation Tips
Experience: Quizzed on opinions of the Construction Industry.
General Tips: 1. Be prepared on the courses and project works that you mention in your resume2. Read newspapers, blogs about the construction industry and keep yourself updated
Skill Tips: """"
Skills: Infrastructure Planning, Infrastructure Management, Construction Management, Project Management
College Name: VIT Chennai
Interview Questionnaire
10 Questions
- Q1. Do you know Java? ---Yes
- Ans.
Yes, I know Java.
I have experience in Java programming.
I am familiar with Java syntax and concepts.
I have worked on Java projects in the past.
- Q2. What is Thread and why are they used? ---told
- Q3. What is JDBC? ---told
- Q4. How to retrieve data from back end? ---told
- Ans.
To retrieve data from the back end, you can use APIs or database queries.
Use API calls to fetch data from the back end server.
Execute database queries to retrieve data from the database.
Parse the response or query result to extract the required data.
Handle any necessary authentication or authorization for accessing the back end.
Examples: GET request to an API endpoint, SELECT query in SQL.
- Q5. Explain OOP concepts. ---explained the program
- Ans.
OOP is a programming paradigm based on the concept of objects, which can contain data and code.
OOP stands for Object-Oriented Programming
It focuses on creating objects that interact with each other to solve a problem
Encapsulation, inheritance, and polymorphism are key concepts in OOP
Example: A car object can have properties like color, make, and model, and methods like start and stop
OOP promotes code reusability and ma
- Q6. He gave me Java program and asked me to explain how memory is allocated? ---Explained with diagram
- Q7. How was the day? ---A bit lagging one
- Q8. Why? ---My token number is 197, I need to wait for long time since morning
- Q9. About yourself? ---told
- Q10. Tell me a special quality of yours which is not mentioned in your resume? ---Told
Interview Preparation Tips
Experience: 4 modules :
1. Computer Programing :- Code is given,we need to find output, basic questions in Java, C, Data Structures, DBMS.
2. Quantitative Aptitude :- Easy, Basics in Simple Interest, Profit&Loss, Numbers, Logs, Time and Work, Time Speed Distance, Prob, Perm&Comb.
3. Logical Reasoning :- Blood relations, Directions, Data sufficiency, Puzzle, Arrangements (circular & linear).
4. English :- Fill in appropriate meaning, Antonyms, Synonyms, Arrange the sentences, and 2 huge paragraphs (4+4=8 questions).
Out of 2000 members 400 were selected. I'm one among them.
Round: HR Interview
Experience: After 2 days I received mail from HCL (offer letter and letter of intent).
Tips: HR round is to test our communication only..
College Name: NA
Skills evaluated in this interview
Interview Questionnaire
6 Questions
- Q1. It was followed by HR interview
- Q2. Tell mi abt urself
- Ans.
I am a software engineer with experience in developing web applications and expertise in programming languages such as Java and Python.
Proficient in Java and Python programming languages
Experience in developing web applications using frameworks such as Spring and Django
Familiarity with database technologies such as MySQL and MongoDB
Strong problem-solving and analytical skills
Ability to work in a team and collaborate ef
- Q3. Wat r ur strengths weaknesses
- Q4. Wer do u see urself in next 5 years
- Ans.
In the next 5 years, I see myself as a senior software engineer leading a team of developers.
I plan to continue learning and expanding my skillset
I hope to take on more leadership roles and mentor junior developers
I aim to contribute to the development of innovative software solutions
I plan to stay up-to-date with the latest technologies and industry trends
- Q5. Why should we hire u
- Q6. How many years can u commit to us
Interview Preparation Tips
Experience: Be confident but dont be over confident
Tips: solve as many papers u can to crack dis test
Duration: 60 minutes
Total Questions: 50
Round: Group Discussion
Experience: Be clear about ur thots.
Tips: Try to speak more & relevant to the topic.
Duration: 15 minutes
Round: Technical Interview
Experience: being honest will help u clear this round
Tips: Be UP to DATE..
General Tips: Develop coding skills& logics also understand the basic math formulaes
College Name: TERNA ENGINEERING COLLEGE
Motivation: If u can Dream IT , U can Definetly Achieve IT.. :)
Funny Moments: :D
Anuj Gupta
Interview Questionnaire
6 Questions
- Q1. Given a Linked list , print yes if it is palindrome else print no
- Q2. Print the level order traversal of the binary tree in the spiral form
- Ans.
Print the level order traversal of binary tree in spiral form
Perform level order traversal of the binary tree
Alternate the direction of traversal for each level
Use a stack to reverse the order of nodes in each level
Print the nodes in the order of traversal
- Q3. Maximum of all subarrays of size k(Expected Time Complexity O(N). Input : arr[] = {1, 2, 3, 1, 4, 5, 2, 3, 6} k = 3 Output : 3 3 4 5 5 5 6
- Ans.
Find the maximum element in each subarray of size k in a given array.
Iterate through the array from index 0 to n-k.
For each subarray of size k, find the maximum element.
Store the maximum elements in a separate array.
Return the array of maximum elements.
- Q4. Given Two sorted array of size size n each. Find the Kth largest element in these two array (Expected Time Complexity Log(n))
- Ans.
To find the Kth largest element in two sorted arrays, we can use the merge step of merge sort algorithm.
Merge the two arrays into a single sorted array using a modified merge sort algorithm.
Return the Kth element from the merged array.
- Q5. Website having several web-pages. And also there are lot many user who are accessing the web-site. say user 1 has access pattern : x->y->z->a->b->c->d->e->f user 2 has access pattern : z->a->b->c->d user 3...
- Q6. Given two array , one of size m+n and contains m element and other position are empty , 2nd array is of size n and contains n element. both array are sorted , now merge the second array to first one such t...
- Ans.
Merge two sorted arrays into one sorted array with expected time complexity of (m+n).
Use a two-pointer approach to compare elements from both arrays and merge them into the first array.
Start comparing elements from the end of both arrays and place the larger element at the end of the first array.
Continue this process until all elements from the second array are merged into the first array.
Interview Preparation Tips
Duration: 90 minutes
Skills: Algorithm , OS, DBMS, data structure
College Name: NIT BHOPAL
Skills evaluated in this interview
Interview Questionnaire
7 Questions
- Q1. How will you calculate premium for that shop?
- Ans.
Premium for the shop can be calculated based on various factors such as location, size, inventory, and risk assessment.
Consider the location of the shop and the crime rate in the area
Assess the size of the shop and the value of the inventory
Evaluate the risk associated with the type of business and the history of claims
Use actuarial tables and statistical models to determine the premium
Adjust the premium based on deduc
- Q2. How do you calculate brand value or good will?
- Ans.
Brand value or goodwill is calculated by assessing the overall perception of the brand in the market and its financial performance.
Brand value is calculated by assessing the brand's reputation, customer loyalty, and market share.
Goodwill is calculated by assessing the brand's intangible assets such as patents, trademarks, and intellectual property.
Financial performance is also taken into consideration while calculating...
- Q3. What is loan syndication?
- Ans.
Loan syndication is the process of involving multiple lenders to fund a single loan for a borrower.
It involves a group of lenders who jointly provide funds to a borrower.
The lead bank manages the syndication process and negotiates the terms with the borrower.
The loan is usually large and involves high-risk borrowers such as corporations or governments.
Syndicated loans can be structured as either a term loan or a revolv...
- Q4. Value a sweet shop called “Punjabi Halwai” in Mumbai?
- Ans.
The value of Punjabi Halwai sweet shop in Mumbai depends on its revenue, location, customer base, and competition.
Revenue: Annual sales and profit margin
Location: Foot traffic, accessibility, and rent
Customer base: Loyal customers and repeat business
Competition: Number of similar shops in the area
Brand value: Reputation and recognition in the market
- Q5. What is your favourite finance subject?
- Ans.
My favorite finance subject is corporate finance.
I enjoy analyzing financial statements and making investment decisions.
I find the concept of capital budgeting fascinating.
I like learning about financial risk management strategies.
I am interested in understanding how companies finance their operations.
I appreciate the importance of financial planning and forecasting in corporate finance.
- Q6. They asked me some questions on my CV like Why less marks in academics
- Q7. Also, about my summers project- what did I do, what was the project and how did I went about doing it
Interview Preparation Tips
Experience: 1) BBG shipping has experience of turning around two companies and is one of the largest companies in this segement
2) City shipping is largest private company into ship repair and ship breaking but not in similar segment.
3) Sonyo shipping is one of the oldest shipping company and has various businesses related this. It is looking forward to expand in china and India and looking forward to expand and acquire some ship breaking company to create a low cost base.
Bids are:
BBG: 100% of debt for seven years 9% interest pa
City: 90% of debt for seven years 10% interest pa
Sonyo: 85% of debt for five years 13% interest pa
As a manager you have to take decision. Your senior has called up to look for bid of City and this will help to build relationship with city. The bank already has relationship with BBG. What will you recommend?
Round: HR Interview
Experience: I can’t say I was 100% right in all my answers but I tried to simplify every answer. I knew my CV very well and was able to anticipate questions like why less marks.
General Tips: Through knowledge of sectors and other fin subjects. Was confident as I had prepared well for the interview. In GD one has to contribute 2-3 good points that was sufficient. There were people who remained silent but contributed even 1 good point were selected for interview atleast. In interview they gauge your fitment wrt role and their core values.
Skills: Economics, Finance
College Name: NA
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