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Basic Arithmetic, English, Reasoning + Basic of Automobile Engineering
Petrol engines use spark ignition, while diesel engines use compression ignition.
Petrol engines use a spark plug to ignite the fuel-air mixture, while diesel engines rely on the heat generated by compressing air in the cylinder.
Petrol engines are generally lighter and more responsive, while diesel engines are more fuel efficient and have higher torque.
Petrol engines are more common in passenger cars, while diesel engin...
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90 question 90 min comprising of Logical and domain and communication
Ohm's law is limited to linear, passive circuits with constant temperature and material properties.
Ohm's law only applies to linear circuits where voltage is directly proportional to current.
It assumes constant temperature and material properties, which may not always be the case.
Non-linear components like diodes and transistors do not follow Ohm's law.
Ohm's law does not account for reactive components like capacitors ...
I am passionate about electrical engineering and eager to apply my skills in a practical setting.
Passionate about electrical engineering
Eager to apply skills in a practical setting
Excited about the opportunity to learn and grow in the field
posted on 11 Apr 2024
I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.
Hard but medium not very easy but not so hard
M15 ratio is the mix ratio of cement, sand, and aggregate in construction.
M15 ratio is commonly used in construction for preparing concrete.
It refers to the mix ratio of 1:2:4, which means 1 part cement, 2 parts sand, and 4 parts aggregate.
This ratio is suitable for general construction purposes where high strength is not required.
Initial setting time of rhc is the time taken for the cement paste to lose its plasticity and become rigid.
Initial setting time is typically around 30 minutes for ordinary Portland cement.
It is influenced by factors such as temperature, water-cement ratio, and type of cement used.
Testing for initial setting time is done using the Vicat apparatus.
I applied via Company Website
Normal SubPar Questions
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers work on the principle of electromagnetic induction
They have primary and secondary coils wound around a core
Step-up transformers increase voltage while step-down transformers decrease voltage
Efficiency of a transformer is determined by its core material and design
Synchronous motor is a type of AC motor where the rotation of the shaft is synchronized with the frequency of the supply current.
Synchronous motor has a rotor with electromagnets and stator with field windings.
The rotor rotates at the same speed as the rotating magnetic field produced by the stator.
It requires DC excitation to create a magnetic field in the rotor.
Used in applications where constant speed is required, s
Torque variation in squirrel cage motors is achieved by changing the rotor resistance.
Torque in squirrel cage motors can be varied by changing the rotor resistance.
Increasing the rotor resistance will increase the torque produced by the motor.
Decreasing the rotor resistance will decrease the torque produced by the motor.
This method is commonly used in applications where variable torque is required, such as in fans or p
Speed and torque variation methods are used in electrical systems to control the performance of motors.
Speed variation methods include changing the frequency of the power supply or using variable speed drives.
Torque variation methods involve adjusting the voltage or current supplied to the motor.
Examples of speed variation methods include VFDs (Variable Frequency Drives) and soft starters.
Examples of torque variation m...
30 min test of core questions and some apptitude
I applied via Campus Placement
General topic group discussion - current affairs
I applied via campus placement at National Institute of Technology, (NIT), Nagaland and was interviewed in Aug 2023. There were 2 interview rounds.
General aptitude as well as subject related question
based on 1 interview
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