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Different types of cable trays include ladder, perforated, solid bottom, wire mesh, and trough.
Ladder cable trays have horizontal cross members resembling a ladder.
Perforated cable trays have small holes for ventilation and drainage.
Solid bottom cable trays have a solid base for supporting cables.
Wire mesh cable trays have a grid-like structure for easy cable installation.
Trough cable trays have a U-shaped design for c
The rule of cable laying involves proper planning, routing, securing, and labeling of cables to ensure safety and efficiency.
Plan the cable routes to avoid interference with other systems or equipment.
Secure cables properly to prevent damage or accidents.
Label cables clearly for easy identification and maintenance.
Follow local regulations and standards for cable laying practices.
Consider factors like cable length, bend...
Anticarsia gemmatalis, also known as the velvetbean caterpillar, is a common pest in agriculture.
Anticarsia gemmatalis is a species of moth in the family Erebidae.
It is a major pest of soybean crops, feeding on the leaves and causing significant damage.
Control measures for velvetbean caterpillars include biological control agents, insecticides, and crop rotation.
Monitoring for early signs of infestation can help preven
General Arrangement drawings show the overall layout of electrical systems in a building or structure.
GA drawings provide an overview of the entire electrical system layout
They include details such as equipment locations, cable routing, and connection points
These drawings are essential for understanding the overall design and installation of electrical systems
Examples of GA drawings include floor plans with electrical ...
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I applied via Company Website and was interviewed before May 2021. There was 1 interview round.
Impedance is the measure of opposition to the flow of electric current in a circuit. DGR fundamental refers to the Dielectric Withstand Voltage test.
Impedance is measured in ohms and is the combination of resistance, capacitance, and inductance in a circuit.
DGR fundamental is a test to determine the maximum voltage a material can withstand without breaking down.
Basics of impedance include understanding the relationship...
I applied via Walk-in and was interviewed before Jan 2022. There were 2 interview rounds.
I applied via Walk-in and was interviewed in Apr 2023. There were 3 interview rounds.
GK AND OTHER KNOWLEDGE
I applied via Company Website and was interviewed before Apr 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2021. There was 1 interview round.
Impedance is the total opposition to the flow of alternating current in a circuit, while reactance is the opposition to the flow of alternating current caused by capacitance or inductance.
Impedance is a combination of resistance and reactance in a circuit.
Reactance is the opposition to the flow of alternating current caused by capacitance or inductance.
Capacitive reactance is the opposition to the flow of alternating c...
Plant load factor is calculated by dividing the actual energy generated by the maximum possible energy that could have been generated.
Plant load factor = Actual energy generated / Maximum possible energy that could have been generated
Maximum possible energy is calculated by multiplying the rated capacity of the plant with the number of hours in a given time period
Plant load factor is expressed as a percentage
It is used...
The unit weight of steel is typically around 7850 kg/m^3.
The unit weight of steel is commonly used in construction and engineering to calculate the weight of steel structures.
The unit weight of steel is typically around 7850 kg/m^3, but can vary depending on the type of steel.
For example, the unit weight of stainless steel is around 7480 kg/m^3, while the unit weight of carbon steel is around 7850 kg/m^3.
CTC stands for Cost to Company, which includes all expenses related to an employee's salary and benefits.
CTC includes salary, bonuses, benefits, and any other perks provided by the company.
It is the total amount of money a company spends on an employee in a year.
CTC is different from take-home salary as it includes all expenses incurred by the company for the employee.
Employer's contribution to PF, insurance, and other...
Power factor is the ratio of real power to apparent power in an AC circuit. Ohm's law states that the current flowing through a conductor is directly proportional to the voltage applied across it.
Power factor is a measure of how effectively electrical power is being used in a circuit.
It is calculated by dividing the real power (in watts) by the apparent power (in volt-amperes).
A power factor of 1 indicates a purely res...
I applied via Other and was interviewed in Oct 2018. There were 5 interview rounds.
I am seeking new challenges and growth opportunities in my career.
Seeking new challenges and growth opportunities
Looking for a change to broaden my skillset
Interested in working with a new team and learning from their expertise
The fuse rating for a 22 kW motor depends on the starting current and the type of motor.
The starting current of the motor should be considered when selecting the fuse rating.
The type of motor (e.g. induction, synchronous) also affects the fuse rating.
Consult the motor manufacturer's specifications or a qualified electrician for the appropriate fuse rating.
A general rule of thumb is to use a fuse rating of 125% of the m
Star delta starter is used to reduce starting current and torque in induction motors.
Reduces starting current and torque in induction motors
Protects motor windings from damage
Increases motor lifespan
Used for high power motors
Commonly used in industries such as oil and gas, mining, and manufacturing
The unit of vibration is Hertz (Hz).
Vibration is a measure of the frequency of oscillation of a mechanical or electrical system.
Hertz is the unit of frequency, defined as one cycle per second.
Vibration can be measured using instruments such as accelerometers and vibrometers.
Vibration is an important consideration in the design and maintenance of electrical systems.
Examples of electrical systems that may experience vibr...
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