Nikhil Construction Interview Questions and Answers

The output voltage of an AAAC Rabbit conductor is typically around 600 volts.

• The output voltage of an AAAC Rabbit conductor is usually around 600 volts.

• The exact output voltage may vary depending on the specific application and conditions.

• It is important to consult the manufacturer's specifications for accurate information.

My execution work plan involves setting clear goals, creating a timeline, assigning tasks, monitoring progress, and adjusting as needed.

• Set clear goals and objectives for the project

• Create a detailed timeline with milestones and deadlines

• Assign tasks to team members based on their strengths and expertise

• Regularly monitor progress and make adjustments as needed

• Communicate effectively with team members and stakeholders

• Ut...read more

Job safety analysis is a process of identifying potential hazards in a job task and implementing controls to mitigate risks.

• Involves breaking down a job task into steps

• Identifying potential hazards for each step

• Determining preventive measures to reduce risks

• Ensures workers are aware of safety procedures

• Examples: construction site JSA, manufacturing plant JSA

Hazard identification is the process of identifying potential sources of harm in the workplace, while risk assessment involves evaluating the likelihood and severity of those hazards.

• Hazard identification involves identifying potential sources of harm such as chemicals, machinery, or ergonomic factors.

• Risk assessment involves evaluating the likelihood and severity of harm from these hazards.

• The goal is to implement con...read more

Fire safety refers to measures taken to prevent and protect against the risks of fire.

• Fire safety includes having working smoke detectors in place.

• It also involves creating and practicing a fire escape plan.

• Proper storage and handling of flammable materials is crucial for fire safety.

• Regular maintenance of fire extinguishers and other fire safety equipment is important.

• Training employees on fire safety protocols is ess

A hazard site is a location where there is a potential risk of harm to people, property, or the environment.

• Hazard sites can include industrial facilities, chemical plants, nuclear power plants, and construction sites.

• These sites may contain hazardous materials, dangerous equipment, or unsafe conditions.

• Proper safety measures and protocols must be followed at hazard sites to prevent accidents and injuries.

• Examples of h...read more

Stop work application is a procedure used to halt work activities due to safety concerns or violations.

• Stop work applications are typically used when there is an imminent danger to workers or the environment.

• Workers are trained to recognize when a stop work application is necessary and how to properly implement it.

• Examples of reasons for a stop work application include unsafe working conditions, equipment malfunctions,

Scaffolding is a temporary structure used to support workers and materials during construction or maintenance work.

• Scaffolding provides a safe working platform at height

• It is typically made of metal or wood

• Different types include tube and coupler, frame, and system scaffolding

• Scaffolding must be inspected regularly for safety

Types of scaffolding include supported scaffolding, suspended scaffolding, and aerial lifts.

• Supported scaffolding is the most common type and is supported by the ground or a building structure.

• Suspended scaffolding hangs from the roof or top of a building and is commonly used for window washing or painting.

• Aerial lifts are platforms lifted by cranes or other equipment and are commonly used for tasks at height.

• Other typ...read more

Types of accidents/incidents include slips, trips, falls, machinery accidents, chemical exposures, and fires.

• Slips, trips, and falls are common in workplaces due to wet floors, cluttered walkways, or uneven surfaces.

• Machinery accidents can occur when proper safety procedures are not followed or equipment malfunctions.

• Chemical exposures may result from spills, leaks, or improper handling of hazardous substances.

• Fires ca...read more

LEL stands for Lower Explosive Limit, which is the minimum concentration of a gas or vapor in air that will ignite if a source of ignition is present.

• LEL is used to determine the potential for a fire or explosion in a confined space.

• Procedures for LEL testing involve using gas detection equipment to measure the concentration of a specific gas in the air.

• If the LEL of a gas is exceeded, it indicates a potentially hazard...read more

Control of confined spaces is essential for ensuring the safety of workers in potentially hazardous environments.

• Implementing a permit-to-work system to control access to confined spaces

• Conducting thorough risk assessments before entry

• Providing appropriate training for workers on confined space entry procedures

• Using gas detectors and ventilation systems to monitor and control atmospheric conditions

• Having a rescue plan

There are mainly four grades of bitumen commonly used in construction: VG-10, VG-20, VG-30, and VG-40.

• VG-10: Suitable for low-traffic roads

• VG-20: Suitable for medium-traffic roads

• VG-30: Suitable for high-traffic roads

• VG-40: Suitable for heavy-duty traffic areas like airports and container terminals

The compressive strength of cement mortar cube at 3 days is typically around 20-25 MPa.

• Compressive strength of cement mortar cube is an important parameter to assess its quality and durability

• The strength of cement mortar increases with age, so 3 days is an early testing point

• Typical compressive strength values for cement mortar cubes at 3 days range from 20-25 MPa

My notice period is 30 days.

• My notice period is standard 30 days as per company policy.

• I am required to serve a 30-day notice period before leaving my current position.

• I can start the new role after completing the 30-day notice period.