Sobha Projects and Trade Senior Project Manager Interview Questions and Answers

Q1. What is the Steel margin
Ans. 
Steel margin refers to the difference between the cost of producing steel and the selling price.
• Steel margin is calculated by subtracting the cost of production (including raw materials, labor, and overhead) from the selling price of steel products.

• It is important for companies to maintain a healthy steel margin to ensure profitability and sustainability.

• Factors that can impact the steel margin include fluctuations in ...read more
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Q2. What is the persentage of Aggregate in Gradiation test
Ans. 
The percentage of aggregate in gradation test varies depending on the specific requirements of the project.
• The percentage of aggregate in gradation test is typically determined by the specifications provided for the project

• It can range from 0% to 100% depending on the type of aggregate being used and the desired characteristics of the final mix

• For example, in a concrete mix design, the percentage of coarse aggregate ma...read more
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Q3. Project manager role at site
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The project manager plays a crucial role in overseeing and coordinating all aspects of a project at the site.
• Responsible for planning, organizing, and directing project activities

• Ensuring project goals are met within budget and timeline

• Managing resources and stakeholders effectively

• Problem-solving and decision-making skills are essential

• Strong communication and leadership skills are necessary
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Q4. What is the overall cost in project in role of RCC
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The overall cost in a project in the role of RCC refers to the total expenses incurred for the Reinforced Cement Concrete work.
• Calculate the cost of materials such as cement, aggregates, and reinforcement bars.

• Consider the cost of labor for construction and installation of RCC components.

• Include any additional costs such as equipment rental, transportation, and overhead expenses.

• Factor in the cost of quality control me...read more
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General aptitude of IQ

Q1. QA and QC related
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Q2. What is the criteria of acceptance of a concrete compressive strength
Ans. 
Concrete compressive strength acceptance criteria is based on specified strength, testing frequency, and acceptance criteria.
• Specified strength should be determined by the project requirements or standards.

• Testing frequency should be established to ensure consistent quality control.

• Acceptance criteria may include minimum strength requirements and statistical analysis.

• Example: Specified strength of 28 MPa, testing every...read more
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Q3. What is project management
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Project management is the practice of initiating, planning, executing, controlling, and closing the work of a team to achieve specific goals and meet specific success criteria.
• Involves initiating, planning, executing, controlling, and closing a project

• Focuses on achieving specific goals and meeting success criteria

• Requires effective communication, coordination, and resource management

• Utilizes tools and techniques such ...read more
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Q4. How to handle the contractor if he is not performing
Ans. 
Address the issue directly with the contractor and set clear expectations for improvement.
• Schedule a meeting with the contractor to discuss performance concerns

• Clearly communicate the areas where the contractor is not meeting expectations

• Set specific goals and deadlines for improvement

• Offer support or resources to help the contractor improve

• Consider consequences if performance does not improve, such as termination of c
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Q5. What do you mean By EPCcontractor
Ans. 
EPC stands for Engineering, Procurement, and Construction. An EPC contractor is a company that provides all services required for a project from design to completion.
• EPC stands for Engineering, Procurement, and Construction

• EPC contractors are responsible for designing, procuring materials, and constructing projects

• They are often hired for large-scale projects such as power plants, refineries, and infrastructure project
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Q1. Process of W. T. P
Ans. 
The process of Water Treatment Plant (W.T.P) involves various stages to purify water for consumption.
• 1. Coagulation: Adding chemicals to water to make particles clump together.

• 2. Sedimentation: Allowing the clumped particles to settle at the bottom.

• 3. Filtration: Passing water through filters to remove remaining particles.

• 4. Disinfection: Adding chlorine or other chemicals to kill bacteria and viruses.

• 5. Distribution: ...read more
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Q2. About safety precautions
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Q1. Salary discussion
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Q1. What is SFRA test on power transformer?
Ans. 
SFRA test is a diagnostic test performed on power transformers to assess their mechanical and electrical integrity.
• SFRA stands for Sweep Frequency Response Analysis.

• It is a non-intrusive test that measures the frequency response of a transformer to a swept sinusoidal input signal.

• The test helps in identifying mechanical and electrical faults in the transformer windings.

• SFRA test results can be compared with baseline me...read more
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Q1. Which grade of concrete normal use for rcc
Ans. 
The grade of concrete normally used for RCC is M20.
• The grade of concrete for RCC (Reinforced Cement Concrete) is determined based on the design requirements and structural considerations.

• The most commonly used grade of concrete for RCC is M20, which means the concrete mix has a compressive strength of 20 megapascals (MPa) after 28 days of curing.

• Other grades of concrete like M25, M30, M35, etc., can also be used depend...read more
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Q2. What are the pre initiative action for start pilling
Ans. 
Pre-initiative actions for start piling
• Conduct a geotechnical investigation to assess soil conditions

• Obtain necessary permits and approvals from local authorities

• Develop a detailed piling plan and schedule

• Procure required piling equipment and materials

• Ensure safety measures are in place for workers and surrounding areas

• Prepare the site by clearing any obstacles or debris

• Establish proper communication channels with stak...read more
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Q1. What is the duration for deshuttering a beam of span 4 mtr
Ans. 
The duration for deshuttering a beam of span 4 mtr depends on various factors.
• The type of formwork used for shuttering the beam

• The strength of the concrete used

• The ambient temperature and humidity

• The curing process followed

• The complexity of the beam design

• The availability of manpower and equipment

• Typically, deshuttering can take anywhere from 7 to 21 days for a beam of span 4 mtr
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Q2. What is the procedure to define one way and two way slab.How you will fix the reinforcement for two way slab
Ans. 
To define one way and two way slab, we follow different procedures. For two way slab, reinforcement is fixed in both directions.
• One way slab is defined as the slab in which the ratio of longer span to shorter span is greater than or equal to 2.

• Two way slab is defined as the slab in which the ratio of longer span to shorter span is less than 2.

• For two way slab, reinforcement is fixed in both directions to distribute the...read more
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Q3. Longer span/ shorter span less than or equal to 2 is called one way slab,more than 2 is called two way slab.In one way slab main bar placeing should be shorter detection & two way slab main bar should be...read more
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Q1. Sewerage System - Design Standards
Ans. 
Design standards for sewerage system
• Design standards vary based on location and regulations

• Consideration should be given to factors such as population density, topography, and soil type

• Standards may include minimum pipe diameter, slope, and depth

• Examples of design standards include ASCE 15 and EPA guidelines
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Q2. Load distribution method
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Hi this sudhir here a diploma holder in civil high rise building construction .I know the grade of concrete for building construction and finishing work knowledge also I have.

Q1. Why we mix addmixture in concrete
Ans. 
Admixtures are added to concrete to improve its properties and performance.
• Admixtures enhance the workability and durability of concrete.

• They can reduce the water content required for a given slump, making the concrete more cohesive.

• Admixtures can accelerate or retard the setting time of concrete.

• They improve the strength, durability, and resistance to chemical attack of concrete.

• Examples of admixtures include water re...read more
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Q2. What is M25 cube strangth
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M25 cube strength refers to the compressive strength of concrete with a mix ratio of 1:1:2.
• M25 cube strength is a measure of the ability of concrete to withstand compression.

• It is denoted by the characteristic strength of a concrete cube tested at 28 days.

• M25 grade concrete has a mix ratio of 1:1:2 (cement:sand:aggregate).

• The cube strength of M25 concrete is typically around 25 MPa or 3625 psi.

• It is important for struc...read more
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