Megha Engineering & Infrastructures Interview Questions, Process, and Tips

Powder factor is a measure of the amount of explosive used per unit volume of rock in tunneling operations.

• Powder factor is calculated by dividing the weight of explosives used by the volume of rock being blasted.

• It is typically expressed in units of kilograms or pounds of explosives per cubic meter or cubic yard of rock.

• A higher powder factor indicates a greater amount of explosives used, which can result in more effi...read more

RMR value stands for Rock Mass Rating value, which is a geotechnical classification system used to assess the quality of rock masses.

• RMR value is used in tunnel engineering to evaluate the stability and support requirements of rock masses.

• It takes into account various parameters such as rock strength, joint conditions, groundwater conditions, and orientation of discontinuities.

• RMR values range from 0 to 100, with highe...read more

Pullout test is a method to determine the bond strength between concrete and reinforcement in a structure.

• Pullout test involves applying a tensile force to a steel bar embedded in concrete to measure the force required to pull it out.

• It is used to assess the quality of concrete and the effectiveness of reinforcement in a structure.

• The test helps in evaluating the bond strength between concrete and reinforcement, which ...read more

Site management involves coordinating and overseeing all activities on a construction site to ensure projects are completed on time and within budget.

• Developing a detailed project plan outlining tasks, timelines, and resources

• Coordinating with subcontractors, suppliers, and other stakeholders

• Ensuring compliance with safety regulations and quality standards

• Managing project budget and expenses

• Monitoring progress and addr...read more

Pipe joining can be done using various methods such as welding, soldering, or using mechanical fittings.

• Welding: involves melting the edges of the pipes and joining them together.

• Soldering: uses a filler material to join the pipes together.

• Mechanical fittings: includes couplings, unions, and compression fittings to connect pipes without welding or soldering.

There are three main types of hazards: physical, chemical, and biological.

• Physical hazards include slips, trips, falls, noise, vibration, and extreme temperatures.

• Chemical hazards involve exposure to harmful substances like gases, liquids, and dusts.

• Biological hazards come from exposure to viruses, bacteria, fungi, and parasites.

Confined space is an area that is not designed for continuous occupancy, has limited entry and exit points, and may have poor ventilation.

• Confined spaces are typically small and enclosed, making it difficult to enter and exit.

• These spaces may contain hazardous substances or conditions that can be harmful to workers.

• Examples of confined spaces include storage tanks, silos, tunnels, and sewers.

Working at height poses risks of falls, falling objects, and structural collapses.

• Falls from height can result in serious injuries or fatalities

• Objects dropped from height can cause harm to workers below

• Structural collapses can occur due to improper installation or maintenance

• Safety measures such as guardrails, harnesses, and regular inspections are crucial to prevent accidents

Safety in construction refers to the measures taken to prevent accidents, injuries, and fatalities on construction sites.

• Ensuring proper training and supervision of workers

• Implementing safety protocols and procedures

• Providing personal protective equipment (PPE)

• Regular inspections of equipment and work areas

• Emergency preparedness and response plans

• Examples: Fall protection systems, scaffolding safety measures

There are five main classes of fire: Class A, Class B, Class C, Class D, and Class K.

• Class A fires involve ordinary combustible materials such as wood, paper, and cloth.

• Class B fires involve flammable liquids like gasoline, oil, and grease.

• Class C fires involve energized electrical equipment.

• Class D fires involve combustible metals like magnesium, titanium, and sodium.

• Class K fires involve cooking oils and fats commonl