Delhi Development Authority Data Entry Operator Interview Questions and Answers for Freshers

Q1. Major difference between Hrg and Lrg?
Ans. 
HRG stands for Human Resource Group while LRG stands for Large Retail Group.
• HRG focuses on managing human resources within an organization

• LRG focuses on managing a large retail business

• HRG deals with employee relations, recruitment, training, and development

• LRG deals with sales, inventory management, customer service, and marketing
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Q2. How to perform transformer sizing
Ans. 
Transformer sizing involves calculating the appropriate size of a transformer based on load requirements.
• Determine the total load requirements in kVA

• Consider the load factor and diversity factor

• Calculate the transformer size based on the total load requirements

• Ensure the transformer is rated for the appropriate voltage and frequency

• Consult with a professional engineer if needed
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Q1. Tell me about yourself
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Q2. What you do daily
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Q3. What is your package
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Q1. Only design related queries
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Q1. Only salary package discussed
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Q1. How to design floating head assembly From pds
Ans. 
Designing a floating head assembly involves considering various factors such as material selection, sealing mechanisms, and thermal expansion.
• Select appropriate materials for the floating head assembly based on the application requirements.

• Design effective sealing mechanisms to prevent leakage and ensure proper functioning.

• Consider thermal expansion and contraction to accommodate temperature variations.

• Ensure proper al...read more
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Q2. H2s service for pressure vessel
Ans. 
H2S service for pressure vessel refers to the use of hydrogen sulfide in a pressure vessel.
• H2S service involves the handling and containment of hydrogen sulfide gas in a pressure vessel.

• Pressure vessels used in H2S service must be designed and constructed to withstand the corrosive effects of hydrogen sulfide.

• Special materials and coatings may be required to prevent hydrogen sulfide from corroding the pressure vessel.

• R...read more
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Q3. Different types of gasket
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Gaskets are mechanical seals used to prevent leakage between two surfaces. There are various types of gaskets available.
• Sheet gaskets

• Spiral wound gaskets

• Ring gaskets

• Metallic gaskets

• Rubber gaskets

• Cork gaskets

• Non-asbestos gaskets
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Q4. Kamprofile and SpWd as per Asme
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General engineering discussion about materials

Q1. It's a technical presentation about your project
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Q1. Tell about planning process
Ans. 
The planning process involves setting goals, identifying resources, creating a timeline, and evaluating progress.
• Setting clear and achievable goals

• Identifying resources needed

• Creating a timeline for tasks and deadlines

• Evaluating progress and making adjustments as needed
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Q1. Tell me about yourself
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Q1. Aluminium formwork slab cycle, components, sqm work for per carpenters
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Q2. How much sqm plastering done by Mason per day, concrete blocks sizes, workability, painting, gypsum work
Ans. 
The amount of sqm plastering done by a Mason per day depends on various factors such as the size of concrete blocks, workability, painting, and gypsum work.
• The size of concrete blocks can affect the amount of plastering done per day.

• Workability of the plastering material can also affect the speed of work.

• Painting and gypsum work can add to the time required for plastering.

• It is difficult to give an exact number for the...read more
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Q3. Conventional shuttering, BBS, steel weight per metre, field test for steel
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Q4. Field concrete tests, cement, grade of concrete
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Q1. Reason for job change, why should we hire you
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