KRBL Mechanical Engineer Interview Questions and Answers

Mirror images, quantitative aptitude

Modern dam in 2023 time: 15 minutes for 8 people

Q1. What is rankine cycle
Ans. 
Rankine cycle is a thermodynamic cycle used in power plants to convert heat into mechanical work.
• Rankine cycle is a theoretical cycle that represents the operation of a steam power plant.

• It consists of four processes: heating, expansion, cooling, and compression.

• The cycle uses a working fluid, typically water or steam, to transfer heat and perform work.

• The heat source is usually a boiler where fuel is burned to produce...read more
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Q2. What do you know about runner power & explain impulse momentum principle
Ans. 
Runner power is the amount of work done by a runner in a given time. Impulse momentum principle states that the change in momentum of an object is equal to the impulse applied to it.
• Runner power is a measure of how much work a runner can do in a specific time period.

• It is calculated by dividing the work done by the time taken.

• For example, if a runner completes a 10 km race in 1 hour, their power can be calculated by di...read more
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Q1. Started with safety policies like check points before cutting welding,permits etc.
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Q2. Gear types, compressor capacity,SAP Knowldge, HP pump presurre
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Q1. About transmitters, sensor
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Q1. About experience, family background
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Case study with existing projects

Q1. Skill sets and previous works and new proposals
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Q1. Breakdown maintenance
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Q2. PM activities machine checklist following
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Q3. EMS and BMS implementation
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Q1. Grid synchronisation Slip ring induction motor Types of motor starters Capacitor bank
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Q1. Reason for company change Expected CTC
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Q1. What is e-commerce
Ans. 
E-commerce refers to buying and selling goods or services over the internet.
• Online transactions

• Digital payments

• Virtual storefronts

• Examples: Amazon, eBay, Shopify
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Q2. What is opportunity cost
Ans. 
Opportunity cost is the value of the next best alternative that is foregone when a decision is made.
• Opportunity cost is the benefit or value of something that must be given up to acquire or achieve something else.

• It helps in evaluating the trade-offs involved in decision-making.

• For example, if a company decides to invest in a new project, the opportunity cost could be the potential profits from investing in a different...read more
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Q3. What is break even point
Ans. 
Break even point is the point at which total revenue equals total costs, resulting in neither profit nor loss.
• Break even point is calculated by dividing fixed costs by the contribution margin.

• It is the level of sales at which a business neither makes a profit nor incurs a loss.

• It helps in determining the minimum amount of sales needed to cover all costs.

• Break even analysis is important for businesses to make informed d...read more
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