20+ ReWork Interview Questions and Answers

The amount of miller required for transporting 500 cum concrete depends on various factors.

• The type of miller being used

• The distance the concrete needs to be transported

• The size of the project

• The time frame for completing the project

• The availability of resources

• The budget allocated for the project

To remove bumping in sg at hard rock areas, proper rock excavation techniques and road design considerations are necessary.

• Perform thorough rock excavation to remove any irregularities or protrusions in the hard rock areas.

• Ensure proper compaction of the subgrade and base layers to minimize settlement and unevenness.

• Design the road profile with appropriate cross slopes and superelevation to facilitate smooth vehicle movement.

• Consider using specialized techniques like rock bla...read more

A transformer can be charged by applying a voltage to its primary winding.

• To charge a transformer, connect a power source to its primary winding

• The voltage applied to the primary winding creates a magnetic field

• This magnetic field induces a voltage in the secondary winding

• The transformer is charged and ready to transfer power

The percentage of wastage varies depending on the project and materials used.

• The percentage of wastage can be calculated by dividing the amount of material wasted by the total amount of material used and multiplying by 100.

• Factors that can contribute to wastage include poor planning, inaccurate measurements, and human error.

• The percentage of wastage can be reduced through careful planning, accurate measurements, and proper training of workers.

• For example, the percentage of wa...read more

HDPE and Di pipe IS codes are standards set by the Bureau of Indian Standards for high-density polyethylene and ductile iron pipes.

• IS 4984: High-density polyethylene (HDPE) pipes for potable water supplies

• IS 8329: Ductile iron (DI) pipes and fittings for pressure pipelines

The question implies that the interviewer is questioning the candidate's potential departure from the company.

• The question suggests that the interviewer may have concerns about the candidate's long-term commitment.

• The candidate should address the concern by explaining their career goals and commitment to the role.

• Providing examples of past experiences where the candidate has demonstrated long-term commitment can help alleviate the interviewer's concerns.

The thickness of the slab is determined by the structural requirements and load-bearing capacity. Mix grade, field test of brick, lab test of brick, and test of cement are essential for quality control in construction.

• Thickness of slab is determined based on structural requirements and load-bearing capacity

• Mix grade of concrete is important for determining its strength and durability

• Field test of brick involves checking for dimensions, hardness, and soundness on site

• Lab test ...read more

Foundation work involves sinking wells. Challenges include tilt and shift of well. Rectification methods include bottom plugging and cassion methodology.

• Foundation work involves sinking wells

• Challenges faced include tilt and shift of well

• Rectification methods include bottom plugging and cassion methodology

• Bottom plugging involves filling the bottom of the well with concrete or other materials to stabilize it

• Cassion methodology involves constructing a large, watertight structu...read more

The grade of GSB used in previous projects varies depending on the specific project requirements.

• The grade of GSB (Granular Sub-Base) used in previous projects is determined based on factors such as traffic load, soil conditions, and project specifications.

• Different grades of GSB, such as GSB-20, GSB-25, GSB-30, etc., may be used in different projects.

• For example, in a high-traffic highway project, a higher grade of GSB like GSB-30 may be used to ensure better stability and d...read more

Water treatment process involves several steps to remove impurities and make water safe for consumption.

• Coagulation and flocculation to remove particles

• Sedimentation to settle out solids

• Filtration to remove remaining particles

• Disinfection to kill bacteria and viruses

• pH adjustment to control acidity or alkalinity

Parts of a transformer include the core, windings, and insulation.

• Core: Provides a path for magnetic flux and is usually made of laminated iron or steel.

• Windings: Consist of primary and secondary coils, which are wound around the core.

• Insulation: Prevents electrical leakage and is used to separate the windings and core.

• Tap changer: Allows for voltage regulation by changing the number of turns in the winding.

• Cooling system: Keeps the transformer from overheating, commonly usin...read more

There are several types of cement used in construction, each with different properties and applications.

• Ordinary Portland Cement (OPC)

• Portland Pozzolana Cement (PPC)

• Rapid Hardening Cement

• Low Heat Cement

• Sulfate Resisting Cement

• White Cement

• Colored Cement

Aerators are devices used to add air into water or other liquids to increase oxygen levels.

• Surface aerators

• Submersible aerators

• Diffused aerators

• Mechanical aerators

• Aspirating aerators

GRI standards applicable for WEL include GRI 403: Occupational Health and Safety and GRI 416: Customer Health and Safety

• GRI 403: Occupational Health and Safety focuses on the organization's efforts to assess and manage occupational health and safety risks

• GRI 416: Customer Health and Safety addresses the organization's efforts to provide safe products and services to customers

• Both standards are relevant for assessing and reporting on workplace health and safety practices

Cement is a binding material used in construction to hold together bricks, stones, and other materials.

• Cement is a fine powder made from a mixture of limestone, clay, and iron ore.

• When mixed with water, cement forms a paste that hardens and binds materials together.

• Common types of cement include Portland cement, which is used in most construction projects.

• Cement is a key ingredient in concrete, mortar, and grout.

Field test of bricks involves checking the physical properties and quality of bricks on-site.

• Visual inspection for cracks, chips, and uniformity

• Sound test by tapping the brick to check for a clear ringing sound

• Water absorption test by immersing the brick in water to see if it absorbs water

• Dimensional measurements to ensure uniform size and shape

• Strength test by applying pressure to check for breakage

Lab test of bricks involves checking for dimensions, compressive strength, water absorption, efflorescence, and soundness.

• Dimensions: Measure length, width, and height to ensure they meet standards.

• Compressive strength: Test the ability of the brick to withstand pressure.

• Water absorption: Determine the amount of water the brick can absorb.

• Efflorescence: Check for white deposits on the surface due to soluble salts.

• Soundness: Tap the brick to check for any cracks or defects.

Lab test of cement involves checking its physical and chemical properties to ensure quality and strength.

• Lab tests include checking fineness, setting time, compressive strength, and chemical composition.

• Fineness test determines the particle size of cement particles.

• Setting time test measures the time taken for cement to set.

• Compressive strength test evaluates the strength of cement mortar.

• Chemical composition test checks for the presence of harmful substances like sulfates an...read more

Field test of cement involves checking its physical properties and quality to ensure it meets standards.

• Field test involves checking the setting time of cement to ensure it is within specified limits.

• Checking the compressive strength of cement cubes after a certain period of curing.

• Inspecting the color and texture of the cement to ensure it is uniform and free from impurities.

• Measuring the fineness of cement particles using a sieve analysis.

• Conducting a soundness test to chec...read more

Efficient team leading requires clear communication, delegation, and motivation.

• Establish clear goals and expectations

• Delegate tasks based on team members' strengths

• Provide regular feedback and recognition

• Encourage open communication and collaboration

• Lead by example and maintain a positive attitude

There are various types of steel, each with different properties and uses.

• Carbon Steel: Contains varying amounts of carbon, used in construction and manufacturing.

• Alloy Steel: Contains additional elements like nickel or chromium for improved strength and durability.

• Stainless Steel: Contains chromium for corrosion resistance, commonly used in kitchen appliances and medical instruments.

• Tool Steel: Designed for making tools, with high hardness and wear resistance.

• High-speed Stee...read more