100+ Executive Engineer Interview Questions and Answers

I will establish clear communication channels with vendors and stakeholders to collect data efficiently.

• Establish regular meetings with vendors and stakeholders to discuss data requirements

• Utilize online surveys or questionnaires to gather feedback and information

• Implement data sharing platforms or portals for vendors to submit data electronically

• Assign dedicated personnel to liaise with vendors and stakeholders for data collection

• Ensure data security and confidentiality meas...read more

Implement mistake-proofing techniques to prevent repetitive problems.

• Identify the root cause of the problem

• Design a poka-yoke that prevents the mistake from happening

• Test the poka-yoke to ensure it is effective

• Train employees on the new process

• Continuously monitor and improve the poka-yoke

• Examples: color-coding, checklists, sensors, warning lights

Earthing is the process of connecting the metallic parts of an electrical appliance to the earth plate.

• Plate Earthing

• Pipe Earthing

• Rod Earthing

• Strip Earthing

• Earthing through Water Mains

• Earthing through Earth Electrodes

• Earthing through Foundation

• Plate Earthing with Pipe

• Chemical Earthing

The Rockwell scale is used to check surface hardness.

• The Rockwell scale measures the indentation hardness of a material.

• It is commonly used in engineering and manufacturing industries.

• The scale uses a diamond or ball indenter to create an indentation on the surface of the material.

• Different scales within the Rockwell scale are used for different materials and hardness ranges.

• For example, the Rockwell C scale is commonly used for steel and the Rockwell B scale is used for soft...read more

The SP consumption of air compressors and refrigeration plants refers to the specific power consumption of these machines.

• SP consumption is the amount of power consumed per unit of output.

• Air compressors and refrigeration plants are commonly used in industrial settings.

• Efficient operation of these machines can lead to significant cost savings.

• Factors that affect SP consumption include machine design, operating conditions, and maintenance practices.

There are multiple ways to tackle column pressure depending on the situation.

• Adjusting the column diameter or length

• Changing the packing material

• Modifying the flow rate or pressure

• Using a different solvent or buffer

• Optimizing the temperature and pH

• Adding a guard column

• Performing maintenance on the column

• Replacing the column altogether

General problems in columns

• Buckling due to excessive compression

• Lateral torsional buckling due to bending

• Shear failure due to excessive shear stress

• Corrosion leading to reduced cross-sectional area

• Excessive deflection due to inadequate stiffness

• Cracking due to excessive tensile stress

Handling customer complaints and NC occurrences with suppliers

• Listen to the customer's complaint and empathize with their situation

• Apologize for the inconvenience caused and assure them that the issue will be resolved

• Investigate the root cause of the complaint and take corrective actions to prevent it from happening again

• Keep the customer informed about the progress of the resolution

• For NC occurrences with suppliers, communicate the issue clearly and provide evidence to suppo...read more

Priming is the process of filling the pump and suction pipe with liquid to remove air and create a vacuum.

• Priming is necessary to ensure the pump can function properly.

• It involves filling the pump and suction pipe with liquid to remove air and create a vacuum.

• This helps to prevent cavitation and damage to the pump.

• Priming can be done manually or automatically depending on the type of pump.

• Examples of pumps that require priming include centrifugal pumps and self-priming pumps.

System pressure in a hydraulic system is set using a pressure relief valve or a pressure regulator.

• System pressure can be set using a pressure relief valve which opens to release excess pressure.

• A pressure regulator can also be used to control the pressure by adjusting the setting.

• The pressure setting is typically determined based on the requirements of the hydraulic system and the components used.

• Monitoring devices such as pressure gauges are used to ensure the pressure is m...read more

Calculate mills roller thrust by considering the load on the rollers and the angle of contact.

• Calculate the load on the rollers by considering the weight of the material being processed and any additional forces acting on the rollers.

• Determine the angle of contact between the rollers and the material being processed.

• Use the formula: Roller Thrust = Load on Rollers * tan(Angle of Contact).

• Ensure to consider all relevant factors affecting the roller thrust in your plant.

The highest power of pump flow is less than 1 horsepower, between 500-780 watts.

• The pump flow power ranges between 500-780 watts

• The power is less than 1 horsepower

• Examples of pumps with this power range include submersible pumps and centrifugal pumps

The gas pressure in Maxson varies depending on the specific location and conditions.

• Gas pressure in Maxson can range from atmospheric pressure to high pressure in industrial settings

• Factors such as altitude, temperature, and type of gas can affect the pressure

• For example, at sea level, the average atmospheric pressure is around 14.7 pounds per square inch (psi)

The left side master chain can be synchronized with the MC by adjusting the timing and tension of the chains.

• Ensure both chains are properly aligned and tensioned

• Adjust the timing of the chains to match

• Use tools like chain tensioners to ensure proper tension

• Regularly check and maintain the chains to prevent issues

Stress-strain curve is based on material properties, academic and previous projects.

• Stress-strain curve is a graphical representation of the relationship between stress and strain of a material.

• It is important to understand the mechanical properties of materials to determine their behavior under stress.

• Previous projects can provide valuable insights into the behavior of materials under different conditions.

• Academic projects can also provide a good understanding of the mechani...read more

Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

• Ohm's law is represented by the equation V=IR, where V is voltage, I is current, and R is resistance.

• It is used to calculate the current flowing through a circuit given the voltage and resistance.

• The law is named after Georg Simon Ohm, a German physicist.

• The law is applicable to both AC and DC circuits.

The procedure for replacing a pump in a hydraulic system involves draining the system, disconnecting the old pump, installing the new pump, and refilling the system.

• Drain the hydraulic system to prevent spills and contamination.

• Disconnect the old pump from the system by removing any connecting hoses or pipes.

• Install the new pump in the same location as the old pump, ensuring proper alignment and connection.

• Refill the hydraulic system with the appropriate fluid and bleed any a...read more

Couplings are used to connect two shafts together while allowing for some degree of misalignment. Alignment is crucial for proper functioning.

• Types of couplings include rigid, flexible, fluid, and magnetic couplings.

• Procedure for alignment involves checking shaft alignment using tools like dial indicators, laser alignment systems, or straightedges.

• Alignment process includes adjusting shims, moving machinery, and rechecking alignment until within specified tolerances.

• Proper al...read more

Parameters checked in a chiller include temperature, pressure, flow rate, and power consumption.

• Temperature: Ensure it is within the specified range for efficient cooling.

• Pressure: Monitor both high and low pressure to prevent damage to the system.

• Flow rate: Check for proper circulation of the refrigerant to maintain cooling capacity.

• Power consumption: Verify that the chiller is operating at optimal energy efficiency.

• Examples: Temperature should be between 45-55 degrees Fahre...read more

There are several types of tests conducted on circuit breakers.

• Some common types of tests include insulation resistance test, contact resistance test, and operation test.

• Insulation resistance test checks the insulation properties of the circuit breaker.

• Contact resistance test measures the resistance across the contacts of the circuit breaker.

• Operation test evaluates the performance and functionality of the circuit breaker during normal operations.

• Other tests may include diele...read more

Pipe earthing is done by connecting the pipe to a copper electrode buried in the ground.

• Select a suitable location for the copper electrode

• Dig a hole and insert the copper electrode into it

• Connect the pipe to the copper electrode using a copper wire

• Ensure that the connection is tight and secure

• Cover the hole with soil and water it to ensure good contact between the electrode and the soil

Yield is the amount of product obtained in a chemical reaction or manufacturing process.

• Yield is expressed as a percentage of the theoretical maximum amount of product that could be obtained.

• Factors that can affect yield include reaction conditions, purity of reactants, and the efficiency of the manufacturing process.

• For example, if a chemical reaction has a theoretical yield of 100 grams and the actual yield is 80 grams, the yield would be 80%.

The current rating of a transformer refers to the maximum current that the transformer can safely handle without overheating.

• Current ratings are typically expressed in terms of amperes (A).

• The current rating of a transformer is determined by factors such as the size of the transformer, the material it is made of, and the cooling mechanism.

• For example, a transformer may have a current rating of 100A, meaning it can safely handle a maximum current of 100 amperes.

• Exceeding the c...read more

Battery problems can include overcharging, undercharging, self-discharge, sulfation, and thermal runaway.

• Overcharging can lead to decreased battery life and potential safety hazards.

• Undercharging can result in reduced capacity and performance.

• Self-discharge occurs when a battery loses charge over time, even when not in use.

• Sulfation is the formation of lead sulfate crystals on the battery plates, reducing efficiency.

• Thermal runaway is a dangerous condition where a battery ove...read more

Sunken, terrace, and podium waterproofing techniques are used to prevent water penetration in below-grade structures.

• Sunken waterproofing involves creating a depression in the ground and applying waterproofing materials to the walls and floor.

• Terrace waterproofing involves applying waterproofing materials to the surface of a terrace or balcony to prevent water penetration.

• Podium waterproofing involves applying waterproofing materials to the surface of a podium or raised platf...read more

Secondary SH refers to the secondary superheater in a boiler's pressure parts.

• Secondary SH is a component of a boiler's pressure parts that further heats steam to increase its temperature and energy.

• It is located after the primary superheater and before the reheater.

• The purpose of the secondary SH is to increase the efficiency of the boiler by maximizing the energy output of the steam.

• Examples of boilers that use secondary SH include those in power plants and industrial facil...read more

Nitration is a chemical process of introducing a nitro group into an organic compound.

• Nitration involves the substitution of a hydrogen atom in an organic compound with a nitro group (NO2).

• It is commonly used in the production of explosives, dyes, and pharmaceuticals.

• The process can be carried out using a variety of nitrating agents, such as nitric acid, nitric oxide, and nitrogen dioxide.

• Nitration can also occur naturally in the atmosphere, leading to the formation of acid r...read more

A rapid wagon loading system is a technology used to quickly load goods onto train wagons for transportation.

• Utilizes automated machinery to load goods efficiently

• Reduces loading time significantly compared to manual loading

• Commonly used in industries such as mining, agriculture, and logistics

• Examples include conveyor belt systems, robotic arms for loading, and automated palletizing systems

Various types of instruments used in furnaces include thermocouples, pyrometers, pressure gauges, and flow meters.

• Thermocouples are used to measure temperature inside the furnace.

• Pyrometers are used for non-contact temperature measurement.

• Pressure gauges monitor the pressure levels within the furnace.

• Flow meters are used to measure the flow rate of gases or liquids in the furnace.

Looking for better growth opportunities and challenging projects in a new location.

• Seeking a more challenging role as an Executive Engineer

• Desire to work on new projects and expand skill set

• Location change for personal reasons

• Salary and benefits package is also a factor

Yes, pump has compression test.

• Compression test is performed on pumps to check the efficiency of the pump.

• It measures the pressure generated by the pump against a closed valve.

• It helps in identifying any leaks or blockages in the pump.

• Compression test is commonly performed on centrifugal pumps.

• It is an important part of pump maintenance and troubleshooting.

Buckley relay is a protective relay used in power systems to detect faults and prevent damage to equipment.

• It is a type of directional overcurrent relay.

• It operates based on the principle of phase comparison.

• It is used to protect generators, transformers, and transmission lines.

• It is named after its inventor, W. H. Buckley.

• It is commonly used in high voltage power systems.

Screwing and bowing are common woodworking techniques used to join pieces of wood together.

• Screwing involves driving screws into the wood to create a strong joint.

• Bowing involves using a bow tie or butterfly key to reinforce a joint that is starting to split or crack.

• Both techniques require precision and careful planning to ensure a secure and durable connection.

• Examples: Screwing together two pieces of wood to create a sturdy frame, using a bow tie to repair a cracked tablet...read more

Handled various equipments and proficient in troubleshooting.

• Handled electrical and mechanical equipments such as generators, pumps, motors, and compressors.

• Troubleshot issues related to power supply, control systems, and mechanical failures.

• Implemented preventive maintenance measures to ensure smooth functioning of equipments.

• Trained junior engineers on equipment handling and troubleshooting techniques.

• Collaborated with vendors to procure spare parts and equipment upgrades.

Materials are substances used to make things. Plastics are synthetic polymers that can be molded into various shapes.

• Materials are substances used to make products or structures

• Plastics are synthetic polymers that can be molded into different shapes

• Types of plastics include PET, PVC, HDPE, and LDPE

Resistance is the opposition to the flow of electric current in a circuit.

• Resistance is a property of a material or component that hinders the flow of electric current.

• It is measured in ohms (Ω) and is denoted by the symbol 'R'.

• Resistance converts electrical energy into heat energy.

• Higher resistance leads to lower current flow and vice versa.

• Examples of resistors include light bulbs, heating elements, and electrical wires.

There are three types of heat transfer: conduction, convection, and radiation.

• Conduction is the transfer of heat through direct contact between objects or substances.

• Convection is the transfer of heat through the movement of fluids or gases.

• Radiation is the transfer of heat through electromagnetic waves, such as from the sun.

To build a power system, I would start by conducting a thorough analysis of power requirements, designing the system layout, selecting appropriate components, and ensuring proper installation and maintenance.

• Conduct a detailed analysis of power requirements to determine the load capacity and voltage needs

• Design the system layout including the placement of transformers, switchgear, and distribution panels

• Select appropriate components such as generators, transformers, circuit b...read more

The observed maximum current is the highest value of electric current recorded in a circuit or system.

• Observed maximum current is crucial for determining the capacity and safety limits of electrical components.

• It is typically measured in amperes (A) using a current meter or clamp meter.

• Exceeding the observed maximum current can lead to overheating, damage, or failure of electrical equipment.

• Regular monitoring and maintenance are important to prevent current overload.

• For examp...read more

BBS (Behavior Based Safety) checks involve observing and evaluating behaviors to ensure safety protocols are being followed.

• Observe workers performing tasks to ensure they are following safety procedures

• Provide feedback and coaching to workers on safe behaviors

• Document any unsafe behaviors or conditions observed

• Conduct regular audits to monitor compliance with safety protocols

Reputable problems can be tackled by identifying the root cause and implementing effective solutions.

• Conduct a thorough analysis to identify the root cause of the problem

• Develop a plan of action to address the issue

• Implement the plan and monitor progress

• Communicate with stakeholders to keep them informed

• Evaluate the effectiveness of the solution and make adjustments as necessary

The CMD of a plant stands for Chief Managing Director, who is responsible for overseeing the overall operations and strategic direction of the organization.

• CMD is the highest-ranking officer in a company or organization

• They are responsible for making major corporate decisions, managing the overall operations, and ensuring the company's success

• Examples of CMDs in plants include the CEO of a manufacturing plant or the President of a power plant

Cooling tower chemicals are used to prevent scaling, corrosion, and biological growth in the tower.

• Chemicals are added to the water in the tower to prevent mineral buildup and corrosion.

• Biocides are used to prevent the growth of bacteria and other microorganisms.

• Examples of chemicals used include chlorine, bromine, and algaecides.

• Regular testing and maintenance of the tower's chemical levels is necessary to ensure proper functioning.

• Chemical usage should be monitored to ensur...read more

Conveyor alignment is done by adjusting the idlers and pulleys to ensure the belt runs straight and centered on the conveyor frame.

• Check for any misalignment by observing the belt's position on the idlers.

• Adjust the idlers and pulleys to ensure the belt runs straight and centered.

• Use alignment tools such as laser alignment devices for precision.

• Regularly inspect and maintain the conveyor system to prevent misalignment issues.

• Properly tension the belt to prevent tracking issue...read more

Yes, I have operated VRM in previous projects.

• Yes, I have experience operating VRM in previous projects.

• I am familiar with the functions and capabilities of VRM.

• I have successfully utilized VRM to achieve project goals and objectives.

The area covered by 1 lit. of paint depends on the type of paint, surface texture, and application method.

• The coverage of paint is typically measured in square feet or square meters per liter.

• Factors affecting coverage include the type of paint (e.g. primer, topcoat), surface porosity, and number of coats applied.

• For example, a high-quality paint may cover around 350-400 square feet per gallon on a smooth surface, while a textured surface may require more paint due to higher ...read more

Additives in compounding enhance properties of the final product.

• Additives improve physical properties like strength, flexibility, and durability.

• They enhance chemical properties like resistance to heat, UV light, and chemicals.

• Additives can also improve processing properties like flow, dispersion, and mixing.

• Examples of additives include plasticizers, stabilizers, fillers, pigments, and flame retardants.