100+ Senior Service Engineer Interview Questions and Answers

Interview questions for Senior Service Engineer position related to CNC machines and bearings.

• CNC lathe and VMC machine have different geometries.

• Feed, speed, RPM, and spindle power can be calculated using formulas.

• Changing ball screw bearing requires disassembling the machine.

• Angular bearings have different angles and combinations depending on the machine.

• Taper in turning or face of turned part can be caused by various factors.

• I/O board is connected to various parts of the m...read more

Per axle load varies for different vehicle configurations like 6X2/6X4 etc.

• Per axle load is the maximum weight that can be carried by a single axle of a vehicle.

• For a 6X2 configuration, the per axle load is typically around 7-8 tons.

• For a 6X4 configuration, the per axle load is typically around 10-11 tons.

I have extensive technical experience in the power generation field.

• I have been working in the power generation field for over 10 years.

• I have a deep understanding of various power generation technologies such as gas turbines, steam turbines, and renewable energy systems.

• I have successfully completed several complex power generation projects, including the installation and commissioning of a 100 MW gas-fired power plant.

• I have expertise in troubleshooting and resolving techni...read more

We use various types of lubricants depending on the gearbox specifications and requirements.

• The type of lubricant used depends on the gearbox design and operating conditions.

• Common types of lubricants used in gearboxes include mineral oil, synthetic oil, and grease.

• Mineral oil is commonly used in low-speed and low-load applications, while synthetic oil is used in high-speed and high-load applications.

• Grease is used in applications where the gearbox is sealed and requires mini...read more

Backlash is the amount of play or clearance between two mating parts. It can be measured using a dial indicator.

• Backlash is a mechanical term used to describe the amount of movement between two mating parts.

• It is usually caused by wear and tear or manufacturing tolerances.

• Backlash can be measured using a dial indicator by placing it between the two parts and moving them back and forth.

• The amount of movement indicated on the dial is the amount of backlash.

• Backlash can be reduc...read more

I will focus on understanding the customer's needs and recommending the most suitable products based on their requirements.

• Listen to the customer's needs and preferences

• Provide information on the features and benefits of each product

• Offer personalized recommendations based on customer requirements

• Highlight any promotions or discounts available

• Ensure excellent customer service throughout the sales process

Vibration analysis of gearbox involves measuring and analyzing the frequency and amplitude of vibrations to detect any potential issues.

• Use vibration sensors to measure the frequency and amplitude of vibrations

• Analyze the data using software to identify any abnormal patterns or frequencies

• Compare the results to established standards or previous measurements to determine if there are any issues

• Common issues detected through vibration analysis include misalignment, unbalance, a...read more

Vehicle testing by software ensures safety, performance, and compliance through simulations and diagnostics, using tools like CANoe or Vector.

• Simulates vehicle behavior under various conditions to ensure reliability.

• Tests electronic control units (ECUs) for functionality and performance.

• Validates compliance with industry standards and regulations.

• Examples of software include CANoe, Vector, and MATLAB/Simulink.

• Facilitates diagnostics and troubleshooting of vehicle systems.

The number of core used in network cables for camera communication varies depending on the type of camera and network setup.

• Network cables for camera communication can have different numbers of cores, typically ranging from 2 to 8 cores.

• The number of cores required depends on factors such as the camera resolution, power requirements, and additional functionalities like audio or PTZ control.

• For basic camera communication, a 2-core network cable may be sufficient.

• However, for h...read more

Tyres are classified based on their application and construction. The tyre industry is growing rapidly with increasing demand.

• Tyres can be classified as passenger car tyres, commercial vehicle tyres, off-road tyres, etc.

• Construction-wise, tyres can be classified as bias-ply, radial-ply, and tubeless.

• The tyre industry is expected to grow at a CAGR of 7.5% from 2020-2025.

• Increasing demand for automobiles, especially in developing countries, is driving the growth of the tyre ind...read more

A variety of tools can be used to check vehicles on the technical and body shop work side.

• Diagnostic scan tools to identify and troubleshoot technical issues

• Paint thickness gauges to measure the thickness of paint coatings

• Dent repair tools such as dent pullers and dent removal kits

• Frame straightening equipment to correct structural damage

• Wheel alignment tools to ensure proper alignment of wheels

• Compression testers to check engine compression

• Battery testers to assess battery h...read more

Itching issues in fluid can be solved by identifying the root cause and implementing appropriate measures.

• Conduct a thorough analysis of the fluid composition and identify any potential irritants.

• Check for any contamination or impurities in the fluid.

• Implement filtration or purification processes to remove any irritants or impurities.

• Consider adding anti-itching agents to the fluid.

• Regularly monitor and maintain the fluid to prevent any future itching issues.

ESP bearings support the pump shaft and ensure smooth operation under various conditions.

• 1. Radial Bearings: Support radial loads and maintain shaft alignment. Example: Thrust bearings in multi-stage ESPs.

• 2. Thrust Bearings: Handle axial loads and prevent shaft movement. Example: Used in high-pressure applications.

• 3. Journal Bearings: Provide support and reduce friction between rotating and stationary parts. Example: Common in oil-lubricated systems.

• 4. Ceramic Bearings: Offer...read more

The erection process involves assembling and installing structural components in construction projects.

• Involves lifting and positioning heavy materials, such as steel beams.

• Utilizes cranes and other machinery for safe and efficient assembly.

• Includes safety protocols to protect workers during the process.

• Example: Erecting a steel frame for a high-rise building.

• Requires coordination among various teams, including engineers and contractors.

Commissioning involves verifying and validating a system's performance and functionality before it goes live.

• 1. Planning: Define the scope, objectives, and timeline for commissioning.

• 2. Design Review: Assess system design against specifications and requirements.

• 3. Installation Verification: Ensure all components are installed correctly and safely.

• 4. Functional Testing: Test system operations to confirm they meet performance criteria (e.g., HVAC systems tested for airflow).

• 5. ...read more

I have worked on a gas chromatography instrument.

• Gas chromatography separates and analyzes compounds in a sample based on their boiling points and affinity for the stationary phase.

• The sample is vaporized and passed through a column filled with a stationary phase.

• The compounds in the sample interact differently with the stationary phase and are separated as they travel through the column.

• The separated compounds are detected by a detector and a chromatogram is generated.

• The in...read more

Leveling instruments are used to measure and adjust the level of surfaces. Reading electrical and mechanical drawings involves interpreting symbols and dimensions.

• Leveling instruments are used to ensure that surfaces are level and flat. They typically consist of a spirit level or a laser level.

• To use a leveling instrument, place it on a stable surface and adjust it until the bubble is centered in the spirit level or align the laser beam with a reference point.

• Electrical drawi...read more

The brake system in a wheel loader is responsible for controlling the stopping and slowing down of the machine.

• The brake system in a wheel loader typically consists of multiple components such as brake pedals, brake calipers, brake discs, and brake fluid.

• The brake pedals are used by the operator to apply pressure and activate the brakes.

• The brake calipers clamp down on the brake discs to create friction and slow down or stop the wheel loader.

• Brake fluid is used to transfer th...read more

I will handle customers with empathy, active listening, problem-solving skills, and clear communication.

• Show empathy and understanding towards customers' concerns

• Practice active listening to fully understand the issue before providing solutions

• Utilize problem-solving skills to address customer needs effectively

• Communicate clearly and professionally to ensure customers are informed and satisfied

Antilock brake systems prevent wheel lock-up during braking, enhancing vehicle control and safety.

• Prevents wheel lock-up during hard braking, allowing for steering control.

• Improves vehicle stability and reduces stopping distances on slippery surfaces.

• Uses sensors to monitor wheel speed and modulates brake pressure accordingly.

• Commonly found in modern vehicles, enhancing safety features like traction control.

Parameters to check in ETP include pH level, temperature, turbidity, dissolved oxygen, and chemical dosing.

• pH level

• Temperature

• Turbidity

• Dissolved oxygen

• Chemical dosing

Gear boxes are dismantled by following proper safety procedures and using appropriate tools.

• Ensure the gear box is not under load and is properly supported

• Remove any electrical or hydraulic connections

• Remove bolts and fasteners securing the gear box to the equipment

• Use a hoist or crane to lift the gear box off the equipment

• Disassemble the gear box using appropriate tools and following manufacturer's instructions

• Inspect and clean all components before reassembly

Standard Operating Procedures (SOPs) for servicing EV motorcycles ensure safety and efficiency during maintenance.

• 1. Ensure the motorcycle is powered off and unplugged from any charging source.

• 2. Wear appropriate personal protective equipment (PPE) such as gloves and safety glasses.

• 3. Conduct a visual inspection for any obvious damage or wear on components.

• 4. Check battery health and connections; for example, look for corrosion on terminals.

• 5. Verify software updates are avai...read more

Effective problem resolution requires a systematic approach tailored to the situation's specifics.

• Identify the problem: Gather information to understand the issue clearly. For example, if a machine is malfunctioning, check error logs.

• Analyze the situation: Determine the root cause by asking 'why' multiple times. If a server is down, investigate recent changes or updates.

• Develop a solution: Brainstorm potential fixes and evaluate their feasibility. For instance, if a software ...read more

The type of axle used for a dumper can vary depending on the specific model and requirements.

• Common types of axles used for dumpers include single axles, tandem axles, and tri-axles.

• Single axles are typically used for smaller dumpers with lower load capacities.

• Tandem axles are commonly used for medium-sized dumpers and provide better stability and weight distribution.

• Tri-axles are used for larger dumpers with higher load capacities and offer increased load-bearing capabilitie...read more

Electrostatic precipitators face issues like maintenance, efficiency drops, and power consumption affecting operational performance.

• Maintenance challenges: Regular cleaning of collector plates is necessary to maintain efficiency.

• Efficiency drops: High dust loading can lead to reduced collection efficiency, requiring operational adjustments.

• Power consumption: Increased energy use during high particulate loads can lead to higher operational costs.

• Corrosion: Components may corro...read more

Bearings are machine elements that reduce friction between moving parts. There are several types of bearings.

• Plain bearings

• Rolling element bearings

• Jewel bearings

• Fluid bearings

• Magnetic bearings

• Flexure bearings