20+ Bharat Aluminium Company (BALCO) Interview Questions and Answers

There are three types of formwork going on at the current site.

• Timber formwork

• Steel formwork

• Aluminum formwork

SCC and GCC clauses are essential in contracts to outline rights and responsibilities of parties involved.

• SCC (Special Conditions of Contract) are specific to the project and can include details on scope, schedule, and payment terms.

• GCC (General Conditions of Contract) are standard clauses that apply to all contracts and cover topics like dispute resolution, termination, and indemnity.

• Both SCC and GCC help ensure clarity and fairness in contracts, protecting the interests of ...read more

Total float is the amount of time that a schedule activity can be delayed without delaying the project finish date.

• Total float is calculated by subtracting the early start date of an activity from its late start date.

• Activities with total float can be delayed without affecting the project finish date.

• Total float helps in identifying activities that have flexibility in their start and finish dates.

• It is important to monitor total float to ensure project deadlines are met.

Two-stroke engines have a power stroke every revolution, while four-stroke engines have a power stroke every other revolution.

• Two-stroke engines have a simpler design and are lighter than four-stroke engines.

• Two-stroke engines have a higher power-to-weight ratio than four-stroke engines.

• Four-stroke engines are more fuel-efficient and have a longer lifespan than two-stroke engines.

• Two-stroke engines are commonly used in small power tools and motorcycles, while four-stroke engi...read more

Bp1800 concrete pump has a hydraulic function for efficient pumping of concrete.

• The hydraulic system of Bp1800 concrete pump helps in generating the required pressure to pump concrete.

• It consists of hydraulic cylinders, pumps, and motors that work together to move the concrete through the pipeline.

• The hydraulic function also helps in controlling the speed and direction of the pump.

• The hydraulic oil used in the system helps in lubricating and cooling the components.

• Overall, th...read more

QA (Quality Assurance) focuses on preventing defects in the process, while QC (Quality Control) focuses on identifying defects in the final product.

• QA is process-oriented, ensuring that the processes used to create the product are effective and efficient.

• QC is product-oriented, focusing on identifying defects in the final product through inspections and testing.

• 5 Why process is a problem-solving technique that involves asking 'why' five times to get to the root cause of an is...read more

Contract management involves the administration and oversight of contracts throughout their lifecycle.

• Ensuring compliance with contract terms and conditions

• Monitoring contract performance and milestones

• Managing changes and amendments to contracts

• Resolving disputes and conflicts that may arise

• Maintaining accurate records and documentation

• Examples: tracking deadlines, negotiating terms, analyzing risks

A tower crane support mechanic is responsible for maintaining and repairing the tower crane's support system.

• Inspecting and maintaining the tower crane's support system

• Repairing or replacing damaged or worn-out parts

• Ensuring the tower crane is stable and secure

• Working with other members of the construction team to ensure safety and efficiency

• Using specialized tools and equipment to perform maintenance and repairs

• Keeping detailed records of maintenance and repairs

Carbon percentage in steel typically ranges from 0.2% to 2.1%.

• Carbon content affects the strength and hardness of steel.

• Low carbon steel (0.2% or less) is more ductile and easily welded.

• High carbon steel (0.6% to 2.1%) is harder and more brittle, used for cutting tools.

• Medium carbon steel (0.3% to 0.6%) balances strength and ductility.

Analysis of cost of activities involves evaluating expenses related to various tasks or projects.

• Identify all activities involved in the project

• Determine the cost associated with each activity

• Analyze the cost breakdown to identify areas of potential savings or inefficiencies

• Consider factors such as labor, materials, equipment, and overhead costs

• Use tools like cost estimation software or spreadsheets for accurate analysis

A zero export device in a solar installation is a device that prevents excess solar energy from being exported back to the grid.

• A zero export device is typically used in situations where the grid cannot handle the additional power generated by the solar installation.

• It ensures that the solar energy is consumed locally or stored in batteries instead of being exported.

• Zero export devices can be programmed to limit the export of energy to a specific threshold.

• These devices are c...read more

Batching plant pain mixture servicing refers to the maintenance and repair of the equipment used to mix concrete.

• Regular cleaning and inspection of the batching plant equipment

• Replacing worn out parts and repairing any damages

• Ensuring proper calibration of the equipment for accurate mixing

• Regular lubrication of moving parts to prevent wear and tear

• Training staff on proper use and maintenance of the equipment

Tiling work involves preparing the surface, measuring and cutting tiles, applying adhesive, laying tiles, and grouting.

• Clean and prepare the surface to be tiled

• Measure and cut tiles to fit the area

• Apply adhesive to the surface and lay tiles in a pattern

• Allow adhesive to dry and then apply grout to fill gaps between tiles

• Clean excess grout and allow it to dry completely

AGM Contracts handles a variety of contracts including construction, procurement, and service agreements.

• Construction contracts

• Procurement contracts

• Service agreements

Gypsum plaster is made from gypsum powder and water, while POP (Plaster of Paris) is made from gypsum and heat.

• Gypsum plaster is a white cementing material made by partial or complete dehydration of the mineral gypsum.

• POP is a white powder made by calcining gypsum, then grinding it into a fine powder.

• Gypsum plaster is used for interior walls and ceilings, while POP is commonly used for creating molds, sculptures, and decorative elements.

• Gypsum plaster sets slowly and is more ...read more

Stone work involves the process of cutting, shaping, and placing stones to create structures or decorative features.

• Selecting the appropriate type of stone for the project

• Cutting and shaping the stones using tools such as chisels and hammers

• Laying out the stones in a pattern or design

• Applying mortar or other bonding agents to secure the stones in place

• Finishing the surface of the stones to achieve the desired texture or appearance

Testing in tile involves evaluating the quality and durability of tiles used in construction projects.

• Testing for strength and durability

• Testing for water absorption

• Testing for slip resistance

• Testing for color fastness

• Testing for chemical resistance

Costing of projects involves estimating the expenses and resources required for completion.

• Costing of projects includes estimating labor, materials, equipment, and overhead costs.

• It is important to consider any potential risks or unforeseen expenses that may arise during the project.

• Costing also involves determining profit margins and pricing strategies to ensure profitability.

• Examples of costing methods include bottom-up estimating, parametric estimating, and analogous estim...read more

Total Float is the amount of time a schedule activity can be delayed without delaying the project completion date.

• Total Float is calculated by subtracting the Early Start date of an activity from its Late Start date.

• It indicates the flexibility in scheduling a particular activity.

• Activities with zero Total Float are considered critical path activities.

• Total Float helps project managers in managing project schedules effectively.

Rate analysis of shuttering involves calculating the cost of materials, labor, and equipment for formwork used in construction projects.

• Rate analysis of shuttering includes determining the quantity of materials needed for formwork, such as plywood, steel props, and scaffolding.

• Labor costs for assembling and dismantling the formwork are also considered in the rate analysis.

• Equipment costs, such as rental of concrete mixers or cranes for lifting heavy formwork components, are f...read more