GAMMON INDIA
30+ Bayer Business Services Interview Questions and Answers
Q1. What is comprehensive strength of OPC Ans- comprehensive strength is ranging between 33-53 MPa at 28 days ,22-27 MPa at 7days , 16-27 MPa at 3 days of curing after casting
Comprehensive strength of OPC ranges from 33-53 MPa at 28 days of curing after casting.
OPC has high compressive strength due to its chemical composition
It is commonly used in construction for its durability and strength
The strength of OPC increases with time and proper curing
Compressive strength is measured in MPa
OPC has a comprehensive strength ranging from 33-53 MPa at 28 days of curing after casting
Q2. What is the minimum stripping value for a vertical member?
Q3. What do you mean by mean sea level
Q4. What we called the point where the shear force is zero
The point where the shear force is zero is called the point of contraflexure.
Point of contraflexure is the point where bending moment changes sign.
It is the point where the bending moment is maximum.
It occurs in a beam when the shear force changes sign.
It is important to determine the point of contraflexure in order to design a beam that can withstand the loads applied to it.
Q5. What is the special gravity of soil Ans -The specific gravity of soil particles lie within the range of 2.65-2.85
The specific gravity of soil particles is the ratio of the weight of a given volume of soil to the weight of an equal volume of distilled water.
Specific gravity is an important property of soil that helps in determining its suitability for various engineering applications.
It is used to calculate the void ratio, porosity, and degree of saturation of soil.
The specific gravity of soil particles is affected by factors such as mineral composition, texture, and degree of weathering...read more
Q6. What are the ingredients used in SCC (besides aggregates and cement)?
Q7. What is the waters absorption capacity of Coarse Aggregate Ans- 0.5-1 Percent
The water absorption capacity of coarse aggregate is 0.5-1%.
Water absorption capacity is the amount of water that can be absorbed by the aggregate.
Coarse aggregates are larger than 4.75mm in size.
Water absorption capacity affects the strength and durability of concrete.
Examples of coarse aggregates include gravel, crushed stone, and slag.
Q8. Why prestressed better than normal rcc?
Prestressed concrete is better than normal RCC due to its higher strength, durability, and reduced cracking.
Prestressed concrete has higher strength and load-carrying capacity compared to normal reinforced concrete.
It offers improved durability and resistance to environmental factors such as corrosion.
Prestressed concrete reduces cracking and deflection under load, enhancing structural integrity.
It allows for longer spans and thinner sections, resulting in cost savings and in...read more
Q9. What are the most used type of support Ans- 1 Roller 2 pinned 3 fixed
The most used types of support are roller, pinned, and fixed.
Roller supports allow for movement in one direction while restricting movement in other directions.
Pinned supports allow for rotation at the joint but restrict translation.
Fixed supports restrict both rotation and translation.
The type of support used depends on the specific engineering application.
For example, roller supports are commonly used in bridges to allow for thermal expansion and contraction.
Pinned supports...read more
Q10. Placement of steel in ssb and cantilever beam?
The steel is placed in the SSB and cantilever beam to provide reinforcement and increase structural strength.
Steel reinforcement is typically placed in the tension zone of the SSB and cantilever beam.
The steel bars are positioned parallel to the axis of the beam to resist tensile forces.
The placement of steel bars should follow the design specifications and structural engineering principles.
In SSB, steel bars are commonly placed in the bottom half of the beam to counteract be...read more
Q11. What are the sizes of aggregates used in SCC?
Q12. What is the width of highway (for 1line) Ans-3.75 m
The width of a highway for one line is typically 3.75 meters.
The width of a highway can vary depending on the number of lanes and the location.
In the US, the standard width for a single lane highway is 3.7 meters.
In Europe, the standard width for a single lane highway is 3.5 meters.
The width of a highway is important for safety and traffic flow.
Wider highways can accommodate more traffic and reduce congestion.
Q13. What are the tests for workability?
Q14. Difference btn pcc and rcc?
PCC and RCC are different types of concrete used in construction.
PCC stands for Plain Cement Concrete and is used for non-structural components like flooring, leveling, etc.
RCC stands for Reinforced Cement Concrete and is used for structural components like beams, columns, slabs, etc.
PCC does not contain any reinforcement while RCC has steel reinforcement to enhance its strength and durability.
PCC has a lower strength compared to RCC.
Example: PCC is commonly used for construc...read more
Q15. What is creep,hogging ,sagging?
Creep, hogging, and sagging are terms used in engineering to describe different types of structural deformations.
Creep refers to the gradual deformation of a material under a constant load over time.
Hogging is a term used to describe the downward curvature of a beam or structure in the middle, caused by excessive load on the ends.
Sagging is the opposite of hogging, where the beam or structure curves upward in the middle due to excessive load on the center.
These terms are comm...read more
Q16. Give the dimensions of slump cone test apparatus
Q17. Draw the BMD and SFD of propped cantilever
Drawing BMD and SFD of propped cantilever
Identify the support and the point of loading
Calculate the reactions at the support
Draw the SFD by starting from one end and moving towards the other
Draw the BMD by starting from the other end and moving towards the first
Label the maximum and minimum values of SFD and BMD
Check for equilibrium and consistency
Q18. What is principal of Surveying
The principle of surveying involves measuring and mapping the Earth's surface to determine the relative positions of points.
Surveying is used to establish property boundaries, create topographic maps, and plan construction projects.
The principle of surveying relies on accurate measurements using various instruments such as total stations, GPS receivers, and levels.
Surveyors use mathematical calculations and trigonometry to determine distances, angles, and elevations.
The princ...read more
Q19. What is network
A network is a collection of interconnected devices and systems that communicate and share resources.
A network allows devices to connect and communicate with each other.
It enables the sharing of data, information, and resources such as printers and storage devices.
Networks can be wired or wireless, local (LAN) or wide area (WAN).
Examples of networks include the internet, corporate intranets, and home networks.
Q20. How to prepare Prolongation Claim
A prolongation claim can be prepared by identifying the additional costs incurred due to delays and providing evidence to support the claim.
Identify the cause of delay and the impact it had on the project timeline and budget
Document all additional costs incurred due to the delay, including labor, materials, and equipment
Provide evidence to support the claim, such as daily reports, change orders, and correspondence with stakeholders
Calculate the total amount of the claim and s...read more
Q21. What are its parameters?
Q22. When are you pass HSLC
I passed HSLC in 2015.
I passed HSLC in 2015.
I completed my HSLC in 2015.
I cleared the HSLC examination in 2015.
Q23. What is security
Security refers to the measures taken to protect systems, networks, and data from unauthorized access, use, disclosure, disruption, modification, or destruction.
Security involves implementing various controls and safeguards to prevent unauthorized access to sensitive information.
It includes measures such as encryption, firewalls, access controls, and intrusion detection systems.
Security also involves regular monitoring, vulnerability assessments, and incident response to iden...read more
Q24. What is engineer
An engineer is a professional who applies scientific and mathematical principles to design, develop, and maintain systems or structures.
Engineers use their knowledge and skills to solve complex problems and improve existing systems.
They work in various fields such as civil, mechanical, electrical, and software engineering.
Network Security Engineers specialize in securing computer networks and protecting them from unauthorized access or attacks.
They design and implement securi...read more
Q25. How economical it is?
Q26. Role and responsibilities to monitor performance.
Monitoring performance involves setting clear expectations, providing feedback, tracking progress, and addressing any issues that arise.
Set clear performance expectations for team members
Provide regular feedback on performance
Track progress towards goals and objectives
Address any performance issues promptly and constructively
Q27. What is civil engineer
A civil engineer is a professional who designs, constructs, and maintains infrastructure projects.
Civil engineers are involved in the planning, design, and construction of various structures such as buildings, bridges, roads, and dams.
They ensure that the projects meet safety, environmental, and regulatory standards.
Civil engineers use advanced software and technologies to create detailed designs and simulations.
They collaborate with architects, surveyors, and other professio...read more
Q28. What means security
Security refers to the measures and practices implemented to protect systems, networks, and data from unauthorized access, threats, and vulnerabilities.
Security involves implementing various controls and safeguards to ensure confidentiality, integrity, and availability of information.
It includes measures such as encryption, access controls, firewalls, intrusion detection systems, and regular security audits.
Security also involves educating users about best practices, such as ...read more
Q29. How to do delay analysis
Delay analysis involves identifying the causes of delay and determining their impact on the project timeline.
Identify the critical path of the project
Determine the planned vs actual timeline for each activity
Identify any changes or disruptions that occurred during the project
Quantify the impact of each delay on the project timeline
Use a recognized methodology such as the As-Planned vs As-Built or Time Impact Analysis
Consider the contractual requirements and any relevant indus...read more
Q30. What is SCC?
Q31. What is the current ctc
I am currently earning a salary of $60,000 per year.
My current annual salary is $60,000
I am earning $5,000 per month
My total compensation package is $60,000
Q32. What is the company name
The company name is XYZ Corporation, a leading data analytics firm specializing in providing insights for businesses.
XYZ Corporation is a data analytics firm
Specializes in providing insights for businesses
Q33. NEUTRAL AXIS IN RCC STRUCTURE
The neutral axis is the line where the stress is zero in a reinforced concrete structure.
The neutral axis divides the cross-section of the structure into two parts: the compression zone and the tension zone.
The depth of the neutral axis depends on the moment of resistance of the section and the bending moment applied.
The position of the neutral axis affects the amount of reinforcement required in the tension zone.
The neutral axis is important in the design of reinforced concr...read more
Q34. What is construction
Construction is the process of building or assembling infrastructure, buildings, or other structures.
Involves planning, designing, and executing a project
Requires skilled labor and specialized equipment
Can include various types of construction such as residential, commercial, and industrial
Examples include building a house, constructing a bridge, or erecting a skyscraper
Q35. Define M20 and Fe415
M20 and Fe415 are grades of concrete and steel used in construction.
M20 is a mix of concrete with a compressive strength of 20 N/mm² after 28 days of curing.
Fe415 is a grade of steel with a yield strength of 415 N/mm².
M20 is commonly used for residential construction while Fe415 is used for reinforcement in concrete structures.
Both M20 and Fe415 are standardized by the Bureau of Indian Standards (BIS).
Q36. Volume of cube
The volume of a cube is calculated by multiplying the length of its sides.
Volume = side x side x side
All sides of a cube are equal
Formula: V = s^3
Q37. System implementation process
System implementation process involves planning, designing, testing, and deploying new software or hardware systems.
Planning phase involves defining project scope, setting goals, and creating a timeline.
Design phase includes creating system architecture, database design, and user interface.
Testing phase involves conducting various tests to ensure system functionality and performance.
Deployment phase includes installing the system, training users, and transitioning to live ope...read more
Q38. Type of beams
Beams are horizontal structural members that support loads applied perpendicular to their longitudinal axis.
Common types include: I-beams, H-beams, C-beams, and T-beams
I-beams are commonly used in construction and have a distinctive shape resembling the letter 'I'
H-beams are similar to I-beams but have wider flanges
C-beams have a shape resembling the letter 'C' and are used in framing walls and roofs
T-beams have a shape resembling the letter 'T' and are used in bridges and ot...read more
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