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Dry type and oil type are two types of transformers based on the insulation used.
Dry type transformers use air as insulation while oil type transformers use oil as insulation.
Dry type transformers are safer and more environmentally friendly than oil type transformers.
Oil type transformers are more efficient and can handle higher loads than dry type transformers.
Dry type transformers are typically used in indoor applica...
Power factor is the ratio of real power to apparent power in an AC circuit. It can be maintained by using capacitors or inductors.
Power factor is a measure of how efficiently electrical power is being used
It is expressed as a decimal or a percentage
A power factor of 1 means all the power is being used efficiently
A power factor less than 1 means some power is being wasted
Capacitors or inductors can be used to correct po...
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I applied via Referral and was interviewed before Jun 2022. There were 3 interview rounds.
Centrifuge pump power and capacity calculations involve understanding the pump's efficiency, flow rate, and head.
Calculate the pump's power using the formula: Power (kW) = (Q x H x SG) / (3.6 x η)
Determine the pump's capacity by calculating the flow rate (Q) in m^3/s
Consider the pump's head (H) in meters and specific gravity (SG) of the fluid being pumped
Efficiency (η) of the pump is crucial for accurate power calculat...
A liquid ring compressor is a type of rotary positive displacement pump that uses a liquid seal to create compression.
Uses a rotating impeller with blades to compress gas by creating a liquid ring around the impeller
The liquid ring acts as a seal and helps in compression of gas
Commonly used in applications where a continuous flow of gas with low pressure is required, such as in vacuum systems or wastewater treatment pl
I applied via Recruitment Consulltant and was interviewed in Nov 2023. There were 2 interview rounds.
Types of alignment in mechanical engineering include shaft alignment, coupling alignment, and gear alignment.
Shaft alignment ensures that the centerlines of connected shafts are in the same straight line.
Coupling alignment involves aligning the coupling halves to ensure smooth power transmission.
Gear alignment ensures proper meshing of gears for efficient operation.
Other types of alignment include belt alignment, pulle
posted on 12 Jan 2021
Preventive maintenance of water seal involves regular inspection, cleaning, and replacement of worn-out parts.
Inspect water seal regularly for signs of wear and tear
Clean water seal and surrounding area to prevent buildup of debris
Replace worn-out parts such as gaskets and O-rings
Ensure proper lubrication of moving parts
Monitor water levels and pressure to prevent leaks
Train operators on proper use and maintenance of w
Gearboxes are selected based on torque, speed, power, and application requirements.
Determine the required torque and speed for the application
Select a gearbox with a suitable gear ratio to achieve the desired output speed and torque
Consider the power requirements and ensure the gearbox can handle the load
Choose a gearbox with the appropriate mounting and shaft configuration for the application
Examples of gearboxes incl
I applied via Campus Placement and was interviewed in Nov 2024. There was 1 interview round.
Logical reasoning, quant, verbal
I applied via Company Website and was interviewed in Apr 2022. There were 2 interview rounds.
I applied via Company Website and was interviewed in Mar 2022. There were 3 interview rounds.
Technical
Number searies etc
I applied via Naukri.com and was interviewed in Sep 2019. There were 3 interview rounds.
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