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Electrical wiring diagram used to start a motor with reduced voltage.
Star delta wiring is used to reduce the starting current of a motor.
It involves connecting the motor windings in a star configuration during starting and then switching to a delta configuration once the motor is up to speed.
This reduces the voltage applied to the motor during starting, which in turn reduces the starting current.
The wiring diagram typi...
Power factor is used by Company 1 to improve energy efficiency and reduce electricity costs.
Improves energy efficiency by reducing reactive power consumption
Reduces electricity costs by avoiding penalties for low power factor
Helps in optimizing the use of electrical equipment
Improves voltage stability and reduces power losses
Example: Company 1 uses power factor correction capacitors to improve power factor
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Chillers are devices that remove heat from a liquid via a vapor-compression or absorption refrigeration cycle.
Chillers use refrigerants to absorb heat from a liquid and transfer it to the environment
There are two types of chillers: vapor-compression and absorption
Vapor-compression chillers use a compressor to circulate refrigerant through the system
Absorption chillers use a heat source to drive the refrigeration cycle
C...
Yellow mark problem components to indicate potential issues or defects.
Yellow marks are used to identify components that may have defects or issues.
This helps in identifying potential problems during quality control checks.
Yellow marks can also be used to indicate components that need further inspection or testing.
Examples include electronic components, mechanical parts, and structural components.
Yellow marks are a com...
Tonnage problem refers to the calculation of the maximum weight a ship can carry safely.
It is important to calculate tonnage to ensure the safety of the ship and crew.
Tonnage is calculated based on the ship's size, volume, and weight capacity.
Overloading a ship can lead to instability, sinking, and loss of life.
Tonnage is also used to determine port fees and taxes.
Tonnage can be measured in gross tonnage or net tonnage
Injectors are used to deliver fuel into the combustion chamber of an engine.
Injectors ensure precise fuel delivery for optimal engine performance.
They help improve fuel efficiency and reduce emissions.
Injectors can become clogged or malfunction, leading to engine problems.
Examples of injectors include diesel injectors, gasoline injectors, and direct fuel injectors.
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Concentricity is the condition where two or more features share the same axis or center point.
It is a measure of how well the center points of two or more features coincide with each other.
It is commonly used in manufacturing to ensure that parts are properly aligned and assembled.
Examples of features that can be measured for concentricity include cylinders, spheres, and cones.
Concentricity can be measured using specia...
Ranout refers to the condition where a tool or machine is no longer able to perform its intended function due to wear or damage.
Ranout can occur in various mechanical components such as bearings, shafts, and gears.
It can cause inaccuracies in machining operations and affect the quality of the final product.
Examples of ranout include spindle runout in a lathe or milling machine, and wheel runout in a vehicle.
Regular mai...
Total runout is the measure of the maximum deviation of a rotating object from its axis of rotation.
Total runout is a measure of the concentricity of a rotating object
It is the maximum deviation of the rotating object from its axis of rotation
It is usually measured in microns or thousandths of an inch
Total runout can affect the performance and lifespan of rotating machinery
I applied via Referral and was interviewed before Sep 2020. There were 3 interview rounds.
I applied via Referral and was interviewed in Jun 2020. There were 4 interview rounds.
I applied via Job Portal and was interviewed in Jul 2023. There were 3 interview rounds.
I applied via Company Website and was interviewed in Feb 2023. There were 3 interview rounds.
Different types of moulds used in engineering
1k moulds are single-shot moulds used for simple parts
2k moulds are two-shot moulds used for complex parts with multiple materials
Mechatronics moulds are used for high-precision parts with electronic components
Mechatronics moulds require specialized knowledge in both mechanical and electrical engineering
I applied via Approached by Company and was interviewed before Aug 2022. There were 3 interview rounds.
I am a highly experienced Sr. Engineer with a strong background in various engineering disciplines.
Over 10 years of experience in mechanical, electrical, and civil engineering
Led multiple successful projects from concept to completion
Proficient in CAD software such as AutoCAD and SolidWorks
I appeared for an interview before Dec 2023.
posted on 30 Jan 2025
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