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posted on 30 Nov 2023
I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
There are several types of transformers used in electrical engineering.
Power transformers
Distribution transformers
Instrument transformers
Auto transformers
Isolation transformers
Step-up transformers
Step-down transformers
The number of earthing required for commencing a transformer depends on the type and size of the transformer.
The number of earthing required for a transformer depends on its rating and the local electrical regulations.
In general, a single earthing electrode is sufficient for small transformers with ratings up to a few hundred kVA.
For larger transformers, multiple earthing electrodes may be required to ensure proper gro...
Silica gel is a desiccant commonly used to absorb moisture and prevent the growth of mold and mildew.
Silica gel is a porous form of silicon dioxide.
It is often found in small packets or sachets.
It is used in various industries such as electronics, pharmaceuticals, and food packaging.
Silica gel can absorb moisture up to 40% of its own weight.
It is non-toxic and chemically inert.
Common uses include preserving the freshne...
VCB stands for Vacuum Circuit Breaker. It is a type of electrical switchgear used for protecting electrical circuits from overloads and short circuits.
VCB uses vacuum as the arc quenching medium instead of oil or air.
It is installed in high voltage power systems, such as substations and power plants.
VCBs are commonly used in distribution networks, generator circuits, and transformer circuits.
They provide reliable and e...
The acceptable current for humans depends on various factors such as duration, frequency, and pathway.
The acceptable current for humans is typically below 1 mA for low-frequency currents.
For high-frequency currents, the acceptable current is lower, usually below 0.1 mA.
The duration of exposure also plays a significant role in determining the acceptable current.
The pathway of the current through the body, such as hand-t...
An alternator is an electrical machine that converts mechanical energy into electrical energy.
An alternator is commonly used in vehicles to charge the battery and power the electrical system.
It operates on the principle of electromagnetic induction.
Alternators produce alternating current (AC) which is then converted to direct current (DC) using rectifiers.
They consist of a rotor, stator, and diodes.
The rotor is driven ...
A CT transformer, also known as a current transformer, is an electrical device used to measure alternating current (AC) by stepping down the current to a lower value.
CT transformers are commonly used in power systems to measure high currents without directly connecting measuring instruments to the circuit.
They consist of a primary winding, which carries the current to be measured, and a secondary winding, which is conn...
posted on 22 Feb 2022
I was interviewed in Aug 2021.
Including me there are 6 member in my family ,thera are 3 brother and 1 sister.
My father is business man and my mother is home meaker.
I am a good communication , multitasker and hardware
I am is uttam soni.
I here to shaktinagar bus stand market.
I am diploma holder.
Some basic aptitude belongs to maths and engineering
Discuss on environment topic with my batch mate
posted on 25 Nov 2023
I applied via Naukri.com and was interviewed before Nov 2022. There were 2 interview rounds.
The thickness of the slab is determined by the structural requirements and load-bearing capacity. Mix grade, field test of brick, lab test of brick, and test of cement are essential for quality control in construction.
Thickness of slab is determined based on structural requirements and load-bearing capacity
Mix grade of concrete is important for determining its strength and durability
Field test of brick involves checkin...
Field test of bricks involves checking the physical properties and quality of bricks on-site.
Visual inspection for cracks, chips, and uniformity
Sound test by tapping the brick to check for a clear ringing sound
Water absorption test by immersing the brick in water to see if it absorbs water
Dimensional measurements to ensure uniform size and shape
Strength test by applying pressure to check for breakage
Lab test of bricks involves checking for dimensions, compressive strength, water absorption, efflorescence, and soundness.
Dimensions: Measure length, width, and height to ensure they meet standards.
Compressive strength: Test the ability of the brick to withstand pressure.
Water absorption: Determine the amount of water the brick can absorb.
Efflorescence: Check for white deposits on the surface due to soluble salts.
Sound...
Lab test of cement involves checking its physical and chemical properties to ensure quality and strength.
Lab tests include checking fineness, setting time, compressive strength, and chemical composition.
Fineness test determines the particle size of cement particles.
Setting time test measures the time taken for cement to set.
Compressive strength test evaluates the strength of cement mortar.
Chemical composition test chec...
Field test of cement involves checking its physical properties and quality to ensure it meets standards.
Field test involves checking the setting time of cement to ensure it is within specified limits.
Checking the compressive strength of cement cubes after a certain period of curing.
Inspecting the color and texture of the cement to ensure it is uniform and free from impurities.
Measuring the fineness of cement particles ...
I applied via Walk-in and was interviewed in May 2022. There was 1 interview round.
posted on 8 Sep 2022
I applied via Newspaper Ad and was interviewed before Sep 2021. There were 3 interview rounds.
Asking about basic questions and it is a online test
posted on 13 Feb 2022
I applied via campus placement at Maharaja Sayajirao University (MSU), Baroda and was interviewed before Feb 2021. There were 4 interview rounds.
General Reasoning, Mathematics, height and distance, English grammar etc.
A lattest current topic
Estimation of column, IS codes, Drawing Reading etc.
Estimation of column involves calculating the required amount of materials and labor for construction.
IS codes refer to the Indian Standards codes that provide guidelines for construction and engineering practices.
Drawing reading involves interpreting technical drawings and blueprints to understand the design and specifications of a structure.
Knowledge of these concep...
posted on 28 Oct 2023
Rectifier Generator protection
posted on 7 Mar 2024
I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
based on 6 reviews
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