DLF Services Interview Questions and Answers

Q1. I am 2 years experience
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Q2. Billings customer service
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Q1. Fire protection and fire system week check team training
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Q2. Monthly and weekly report check
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Fire and production department

Q1. Company Protection and Company Employee Security
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Q2. There should be no problem in company benefit and company
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Q1. CompanWhat can we do for the company and the benefits of the company
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Q2. Company me kitne Data of how many employees are there in the company
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Q1. Initial discussion started from HR
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Q1. Technical discussion with assistant director
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Q2. How to achieve net zero
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Q3. Carbon neutrality
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Q1. What is your expectations
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Q1. You self information & family members details
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Q2. Job Experience & freshers
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Q1. Arrays reverse the first 5 number
Ans. 
Reverse the first 5 numbers in an array
• Use array.slice() to get the first 5 elements

• Use array.reverse() to reverse the elements

• Combine the reversed elements with the rest of the array
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Q2. How can a linked list be created without utilizing arrays?
Ans. 
A linked list can be created without utilizing arrays by defining a Node class with a value and a reference to the next node.
• Define a Node class with a value and a reference to the next node

• Create instances of the Node class and link them together by setting the next node reference

• Implement methods to add, remove, and traverse the linked list
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Q1. Resume discussion, how did you overcome stress etc
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Q2. Previous work experience
Ans. 
I have 3 years of experience working as a Supply Chain Analyst for a large retail company.
• Managed inventory levels to ensure optimal stock levels and minimize excess inventory

• Analyzed supply chain data to identify trends and make recommendations for process improvements

• Collaborated with vendors to negotiate pricing and terms for supply contracts
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2 excel sheets where given, to analyze and interpret the data to give a better solution for the problem given

Q1. Aptitude question
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Q2. Why did you choose this career, why planned to switch
Ans. 
I chose this career because of my interest in data analysis and problem-solving in the supply chain industry.
• Passion for data analysis and problem-solving

• Interest in the supply chain industry

• Opportunity for growth and advancement

• Desire to make a positive impact on business operations
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Q1. What is aur circuit breaker
Ans. 
A circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by excess current.
• A circuit breaker automatically interrupts the flow of electricity when it detects an overload or short circuit.

• It can be reset manually after tripping to restore power to the circuit.

• Common types include thermal-magnetic, magnetic, and thermal circuit breakers.

• Examples include miniature circuit brea...read more
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Q2. What is star delta starter
Ans. 
A star delta starter is a type of reduced voltage starter used to reduce the starting current of induction motors.
• Consists of a star contactor and a delta contactor

• Initially starts the motor in star configuration to reduce current

• Switches to delta configuration once motor reaches a certain speed

• Used for large induction motors to prevent high starting currents

• Commonly used in industries like manufacturing and mining
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Q1. What is vaccum circuit breaker
Ans. 
A vacuum circuit breaker is an electrical switch that uses a vacuum to extinguish the arc when the circuit is broken.
• Uses a vacuum to extinguish the arc

• Commonly used in medium voltage applications

• Compact and reliable design

• Does not require any maintenance
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Q2. What is transformers
Ans. 
Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.
• Transformers consist of two coils of wire, known as the primary and secondary coils.

• They work on the principle of electromagnetic induction, where a changing current in the primary coil induces a voltage in the secondary coil.

• Transformers are used to step up or step down voltage levels in e...read more
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Q1. What is Diesel generators
Ans. 
Diesel generators are backup power sources that use diesel fuel to generate electricity during power outages.
• Diesel generators are commonly used in industrial settings, hospitals, data centers, and residential homes.

• They are reliable and efficient sources of backup power.

• Diesel generators require regular maintenance and fuel supply to ensure proper functioning.

• Examples of diesel generator brands include Caterpillar, Cu
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Q2. What is untreatable power supply
Ans. 
Untreatable power supply refers to a power source that cannot be fixed or repaired.
• Untreatable power supply may be caused by irreparable damage to the power source components.

• It may also refer to a power source that is obsolete and no longer supported by manufacturers.

• In some cases, the cost of repairing the power supply may be higher than replacing it with a new one.
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Q1. What is the NOI
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Q2. Different Valution methods
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Q3. What is the exit yield
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