Ocl Iron & Steel QA QC Engineer Interview Questions and Answers

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Q1. Technical field related questions
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Q2. HR related questions.
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Q3. AI related questions
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Q1. HR related questions
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Q1. What is Pipe Layout.
Ans. 
Pipe layout refers to the arrangement and positioning of pipes in a system to ensure efficient flow of fluids or gases.
• Pipe layout involves determining the route, size, and elevation of pipes within a system.

• Consideration must be given to factors such as pressure drop, flow rate, and accessibility for maintenance.

• Proper pipe layout can optimize system performance and minimize potential issues such as leaks or blockages
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Q2. Why Position Displacement Pumps are used for Hydraulic.
Ans. 
Position displacement pumps are used for hydraulic systems due to their ability to provide precise control over fluid flow and pressure.
• Position displacement pumps offer accurate and repeatable flow rates, making them ideal for applications requiring precise control.

• These pumps are capable of maintaining constant pressure, which is crucial in hydraulic systems to ensure consistent performance.

• Position displacement pump...read more
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Q3. Brief about pipe scheduled.
Ans. 
Pipe schedule refers to the wall thickness of pipes used in various industries.
• Pipe schedule is a way to standardize the thickness of pipes for different applications.

• It is denoted by a number followed by 'S' (e.g. Schedule 40, Schedule 80).

• Higher schedule numbers indicate thicker walls for higher pressure applications.

• Pipe schedules are important for ensuring compatibility and safety in piping systems.
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Q4. Procedure of Replacement of Pump in a Hydraulic System.
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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 h...read more
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Q5. How System Pressure is set in a Hydraulic system.
Ans. 
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 su...read more
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Q6. What is TIG welding and why is it widely used in Jointing Hydraulic Pipes.
Ans. 
TIG welding is a welding process that uses a non-consumable tungsten electrode to produce the weld. It is widely used in jointing hydraulic pipes due to its precision and clean welds.
• TIG welding stands for Tungsten Inert Gas welding.

• It uses a non-consumable tungsten electrode to create the weld.

• TIG welding produces high-quality, clean welds with minimal spatter.

• The process allows for precise control over the welding ar...read more
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Q7. What are the procedures of cleaning pipe lines.
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Cleaning pipe lines involves various procedures such as flushing, pigging, and chemical cleaning.
• Flushing involves using water or air pressure to remove debris and buildup from the pipes.

• Pigging uses a device called a 'pig' to scrape the inside of the pipe and push out any blockages.

• Chemical cleaning involves using specific chemicals to dissolve and remove stubborn deposits in the pipes.

• Regular maintenance and inspecti...read more
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Q8. What is NAS value and why its important to achieve with in standard limits.
Ans. 
NAS value is a measure of network-attached storage performance and reliability, important to achieve within standard limits for optimal data storage and access.
• NAS value stands for Network-Attached Storage value, which measures the performance and reliability of a storage system.

• It is important to achieve NAS value within standard limits to ensure optimal data storage and access speeds.

• Exceeding NAS value limits can re...read more
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Q9. How Conveyor alignment is done.
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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 ...read more
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Q10. What are the factors and its requirements to procure a Conveyor belt.
Ans. 
Factors and requirements for procuring a conveyor belt
• Consider the type of material being transported

• Determine the required capacity and speed of the conveyor belt

• Evaluate the environment where the conveyor belt will be used (e.g. temperature, humidity)

• Assess the maintenance and operating costs of the conveyor belt

• Check the safety features and regulations compliance of the conveyor belt

• Look into the reputation and reli...read more
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Q11. Types of Coupling uses and the procedure of alignment.
Ans. 
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 rechec...read more
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Q12. What is a Rapid wagon loading system.
Ans. 
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
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Q1. What is Six sigma in lean manufacturing
Ans. 
Six Sigma is a methodology used in lean manufacturing to improve processes by reducing defects and variation.
• Six Sigma aims to achieve a level of quality where there are only 3.4 defects per million opportunities.

• It focuses on identifying and eliminating causes of defects to improve overall process efficiency.

• Six Sigma uses statistical tools and techniques to measure and analyze process performance.

• It involves defining...read more
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Q2. What is TPM and JH and its step
Ans. 
TPM stands for Total Productive Maintenance and JH stands for Just in Time. TPM focuses on maintaining equipment to prevent breakdowns, while JH focuses on minimizing waste and improving efficiency.
• TPM involves proactive maintenance to prevent breakdowns and improve overall equipment effectiveness

• JH focuses on reducing waste, improving efficiency, and delivering products just in time to meet customer demand

• TPM steps in...read more
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Q1. (1) tell your self, (2) Passt company work, (3) what is VFD and it's diagram, (4) Electrical maintenance related questions
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Q2. Motor related questions
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Q3. MCC and PCC panel
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Q1. (1) Salary discussion, (2) Experience related questions
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Q1. Power factor What is vfd Difference between ac and dc motor
Ans. 
Power factor is the ratio of real power to apparent power in an AC circuit. VFD stands for Variable Frequency Drive. AC motors run on alternating current while DC motors run on direct current.
• Power factor is a measure of how effectively electrical power is being used in a circuit.

• It is calculated by dividing the real power (in watts) by the apparent power (in volt-amperes).

• A power factor of 1 indicates that all the pow...read more
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Q2. Types of load cell
Ans. 
Types of load cells include strain gauge load cells, hydraulic load cells, and capacitive load cells.
• Strain gauge load cells measure the strain or deformation of a material.

• Hydraulic load cells use hydraulic fluid to measure force.

• Capacitive load cells measure changes in capacitance to determine force.

• Other types of load cells include piezoelectric load cells and pneumatic load cells.
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Q1. Which type of protection used in a substation
Ans. 
Different types of protection are used in a substation to ensure safety and reliability.
• Overcurrent protection: Protects against excessive current flow.

• Overvoltage protection: Safeguards against high voltage surges.

• Differential protection: Detects faults by comparing currents entering and leaving the substation.

• Distance protection: Protects transmission lines based on the distance to the fault.

• Ground fault protection: ...read more
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Q2. Which type of ht breaker used in ht line
Ans. 
Different types of HT breakers are used in HT lines depending on the specific requirements.
• Air Circuit Breaker (ACB) is commonly used in HT lines for its high breaking capacity and quick response time.

• Vacuum Circuit Breaker (VCB) is another popular choice due to its compact size and low maintenance requirements.

• SF6 Circuit Breaker is used for high voltage applications as it provides excellent arc quenching properties.

• O...read more
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Q1. What is capacity your furnace
Ans. 
The capacity of a furnace refers to its heating output, typically measured in BTUs or tons.
• Furnace capacity is determined by the amount of heat it can produce.

• It is usually measured in BTUs (British Thermal Units) or tons.

• Higher capacity furnaces can produce more heat and are suitable for larger spaces.

• For example, a furnace with a capacity of 80,000 BTUs can heat a larger area compared to one with a capacity of 40,000
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Q2. What is drive components in CCM department
Ans. 
Drive components in CCM department are the parts that enable the motor to function properly.
• Drive components include motors, gears, belts, and pulleys.

• They work together to transfer power from the motor to the machine.

• The components must be properly sized and aligned to ensure efficient operation.

• Examples of machines that use drive components include conveyor belts, pumps, and fans.
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Q1. About NDT level 2
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Q1. Regarding salary and experience
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Brief explanation of UT, LPT, VT and MT methods.