R.K.M Powergen
Utility Warehouse Interview Questions and Answers
Q1. Types of seal. Types of bearing.
Seals: mechanical, hydraulic, pneumatic. Bearings: ball, roller, plain, magnetic, fluid.
Mechanical seals prevent leakage between two surfaces in relative motion.
Hydraulic seals prevent leakage of fluid in hydraulic systems.
Pneumatic seals prevent leakage of gas in pneumatic systems.
Ball bearings use balls to reduce friction between two surfaces.
Roller bearings use rollers to reduce friction between two surfaces.
Plain bearings use a sliding motion to reduce friction between tw...read more
Q2. Types of maintenance.
Types of maintenance include corrective, preventive, predictive, and proactive maintenance.
Corrective maintenance involves fixing a problem after it has occurred.
Preventive maintenance involves regularly scheduled maintenance to prevent problems from occurring.
Predictive maintenance involves using data and analysis to predict when maintenance will be needed.
Proactive maintenance involves identifying and addressing potential issues before they become problems.
Examples include ...read more
Q3. Types of seal. Blower.
There are various types of seals used in blowers such as labyrinth seals, mechanical seals, and oil seals.
Labyrinth seals are non-contact seals that use a series of rotating and stationary blades to create a tortuous path for the air to pass through.
Mechanical seals use a rotating and stationary face to create a seal and prevent leakage.
Oil seals are used to prevent lubricant from leaking out of the blower and contaminants from entering.
Other types of seals used in blowers in...read more
Q4. Description of ESP ?
ESP stands for Event Stream Processing, a technology used for real-time data processing and analysis.
ESP is used to analyze and process large volumes of data in real-time.
It can be used in various industries such as finance, healthcare, and transportation.
ESP can help detect anomalies, predict outcomes, and automate decision-making processes.
Examples of ESP platforms include Apache Kafka, IBM Streams, and TIBCO StreamBase.
Q5. Working drum elements system
A working drum elements system is a mechanism that allows for the efficient and effective movement of drums.
The system should be designed to handle drums of various sizes and weights
It should include components such as rollers, conveyors, and lifters
The system should be automated to reduce manual labor and increase productivity
Regular maintenance and inspections are necessary to ensure the system is functioning properly
Q6. largest subarray sum
Find the largest sum of contiguous subarray within a given array of integers.
Iterate through the array and keep track of the current sum and maximum sum seen so far.
If the current sum becomes negative, reset it to 0 as it won't contribute to the maximum sum.
Return the maximum sum found at the end of the iteration.
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