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I applied via Company Website and was interviewed in Mar 2022. There were 3 interview rounds.
HT breaker vacuum bottle integrity test is performed to ensure the vacuum bottle is free from leaks and can withstand high voltage.
The test is performed using a vacuum pump and a pressure gauge.
The vacuum pump is connected to the breaker's vacuum bottle and the pressure gauge is connected to the pump.
The vacuum pump is turned on and the pressure gauge is monitored for any drop in pressure.
If the pressure drops, it indi...
The trip supervision relay is responsible for monitoring the trip circuit of a protective device and ensuring its proper functioning.
It supervises the trip circuit to detect any faults or abnormalities.
It ensures that the trip circuit is properly energized and ready to operate when needed.
It monitors the continuity and integrity of the trip circuit wiring.
It can provide alarms or indications in case of trip circuit fai...
ELCB and RCCB are both electrical safety devices, but differ in their operating principles.
ELCB detects earth leakage current and operates on the principle of electromagnetic induction.
RCCB detects both earth leakage and residual current and operates on the principle of differential current transformer.
ELCB is less sensitive and slower in operation compared to RCCB.
RCCB is more expensive than ELCB but provides better p...
Tan delta test is a diagnostic test to measure the quality of insulation in electrical equipment.
It measures the dissipation factor of insulation material
It helps to detect any defects or deterioration in the insulation
It is commonly used for testing transformers, cables, and capacitors
The test involves applying a voltage to the equipment and measuring the current and phase angle
A high tan delta value indicates poor in
There are several types of motor testing including insulation resistance, winding resistance, and vibration analysis.
Insulation resistance testing measures the resistance of the insulation material surrounding the motor windings.
Winding resistance testing measures the resistance of the motor windings themselves.
Vibration analysis testing measures the level of vibration in the motor to detect any potential issues.
Other ...
PI test is a method to measure the insulation resistance of the motor winding.
PI stands for Polarization Index.
It is a ratio of insulation resistance measured at 10 minutes to that measured at 1 minute.
It is used to determine the condition of the motor winding insulation.
A PI value of 2 or more indicates good insulation.
A low PI value indicates poor insulation and the motor may need to be rewound or replaced.
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I was interviewed in Feb 2025.
I applied via Referral and was interviewed in Sep 2024. There were 3 interview rounds.
Cement is tested for its quality and strength. Types include Portland cement, rapid hardening cement, and white cement.
Cement is tested for compressive strength, fineness, setting time, soundness, and consistency.
Types of cement include Portland cement, rapid hardening cement, white cement, etc.
Example: Portland cement is commonly used in construction for its versatility and durability.
Slump cone test is used to measure the workability of concrete. The size of the slump cone is standardized.
Slump cone test is a common test used in construction to determine the consistency of concrete mix.
The size of the slump cone is typically 12 inches in height, 8 inches in diameter at the base, and 4 inches in diameter at the top.
During the test, the slump cone is filled with concrete, compacted, and then lifted o...
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I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jun 2024. There were 2 interview rounds.
I applied via Approached by Company and was interviewed in Dec 2024. There was 1 interview round.
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I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
The circuit of cement process involves various stages from raw material extraction to final product packaging.
Raw materials (such as limestone, clay, and sand) are extracted and transported to the cement plant.
The raw materials are crushed, ground, and mixed to form a raw meal.
The raw meal is heated in a kiln to produce clinker.
The clinker is ground with gypsum to produce cement.
The cement is packed into bags or shippe...
The process for erection in complete pyro section involves assembling and installing all components for the pyro processing unit.
Prepare the site for erection by clearing the area and ensuring proper foundation
Assemble the various components of the pyro section such as kiln, preheater, cooler, and other equipment
Install the components according to the manufacturer's specifications and engineering drawings
Connect all ne...
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