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I applied via Naukri.com and was interviewed before Apr 2023. There were 3 interview rounds.
Aptitude test is normal like general science, reasoning and math questions.
posted on 4 Jul 2023
I applied via Company Website and was interviewed in Nov 2022. There were 2 interview rounds.
CI casting refers to cast iron casting, which is made from a composition of iron, carbon, and silicon.
CI casting stands for cast iron casting.
It is made from a composition of iron, carbon, and silicon.
The carbon content in CI casting is typically between 2.1% and 4%.
The silicon content in CI casting is typically between 1% and 3%.
CI casting is known for its excellent castability, good machinability, and high wear resis
The pouring temperature of high chrome metal is typically between 1,600 to 1,800 degrees Celsius.
High chrome metal is commonly used in applications that require high temperature resistance and corrosion resistance.
The pouring temperature is crucial to ensure proper flow and solidification of the metal.
The specific pouring temperature may vary depending on the exact composition of the high chrome metal and the desired p...
I applied via Approached by Company and was interviewed in Jul 2022. There were 2 interview rounds.
posted on 29 Nov 2022
I applied via Walk-in and was interviewed in May 2022. There was 1 interview round.
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
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.
I was interviewed in Jul 2017.
I applied via Campus Placement and was interviewed before Jul 2021. There were 2 interview rounds.
Current affairs and technical both questions will come be ready
Composite error and ratio error are two types of errors in current transformers.
Composite error is the combination of ratio error and phase angle error in a current transformer.
Ratio error is the difference between the actual turns ratio and the specified turns ratio of a current transformer.
Phase angle error is the angular difference between the primary and secondary currents of a current transformer.
Composite error a...
An AC drive circuit diagram controls the speed of an AC motor by varying the frequency and voltage of the power supplied to it.
An AC drive consists of a rectifier, DC link, inverter, and control circuitry.
The rectifier converts AC power to DC power, which is stored in the DC link.
The inverter converts the DC power back to AC power with variable frequency and voltage.
The control circuitry adjusts the frequency and volta...
A single line diagram of a distribution system is required with proper specifications.
The diagram should show the flow of power from the source to the load
It should include all components such as transformers, switchgear, and cables
The specifications should include voltage levels, power ratings, and protection devices
The diagram should follow standard symbols and conventions
Example: A 11 kV distribution system with a 5
Dewpoint test is done in transformer to check the moisture content in the insulation oil.
Moisture in insulation oil can cause breakdown of transformer insulation
Dewpoint test helps to determine the moisture content in the oil
It is a preventive maintenance measure to avoid transformer failure
The test involves cooling a mirror until dew forms on it, and measuring the temperature at which dew forms
Power transformers are used in transmission systems to step up or down voltage, while distribution transformers are used in distribution systems to step down voltage.
Power transformers are used in high voltage transmission systems to step up or down voltage for long distance transmission.
Distribution transformers are used in low voltage distribution systems to step down voltage for local distribution.
Power transformers...
Buchholz relay is used to protect transformers from faults by detecting gas and oil flow abnormalities.
Buchholz relay is installed in the pipe connecting the transformer tank and conservator tank.
It operates based on the principle that faults in the transformer generate gases and cause oil flow disturbances.
When gas or oil flow abnormalities occur, the relay trips and sends a signal to the control panel to isolate the ...
I was interviewed in May 2019.
Steel sections are structural shapes made from steel for construction purposes.
I-beams
H-beams
C-channels
Angle sections
T-sections
Z-sections
Box sections
Circular sections
Different types of loads applied on long and short steel columns
Long columns are more susceptible to buckling under compressive loads
Short columns are more susceptible to crushing under compressive loads
Long columns are more likely to experience bending under lateral loads
Short columns are more likely to experience shear under lateral loads
Examples of loads include dead load, live load, wind load, seismic load, etc.
I was interviewed in Mar 2021.
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