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Single phase and three phase are two types of electrical power distribution systems.
Single phase has one live conductor and one neutral conductor, while three phase has three live conductors and one neutral conductor.
Single phase is commonly used in residential and small commercial applications, while three phase is used in industrial and large commercial applications.
Single phase power supply is suitable for low power...
R, Y, B phases are the three phases of AC power supply. They differ in their phase angle and voltage level.
R phase has a phase angle of 0 degrees and is usually connected to the red wire.
Y phase has a phase angle of 120 degrees and is usually connected to the yellow wire.
B phase has a phase angle of 240 degrees and is usually connected to the blue wire.
The voltage level of each phase is the same, but they are out of ph...
In series, voltage adds up while current remains the same. In parallel, voltage remains the same while current adds up.
In series, batteries are connected end-to-end, positive to negative. In parallel, batteries are connected positive to positive and negative to negative.
Series connection increases voltage but does not increase current. Parallel connection increases current but does not increase voltage.
Series connectio...
Periodic maintenance of batteries is crucial for their longevity and optimal performance.
Check the battery terminals for corrosion and clean them if necessary
Inspect the battery case for any cracks or damage
Ensure that the battery is securely fastened in place
Check the electrolyte level and top up with distilled water if required
Test the battery voltage and recharge if necessary
A faulty battery can be identified by checking its voltage, capacity, and physical appearance.
Check the voltage of the battery using a multimeter
Test the capacity of the battery using a battery tester
Inspect the physical appearance of the battery for any signs of damage or leakage
Check the battery terminals for corrosion or loose connections
Compare the battery's performance to its specifications
FUSE, MCB, ELCB, and RCCB are all electrical protection devices, but they differ in their functions and applications.
FUSE is a simple device that protects electrical circuits from overloading or short-circuiting by melting and breaking the circuit.
MCB (Miniature Circuit Breaker) is an automatic switch that trips and cuts off the power supply when there is an overload or short-circuit.
ELCB (Earth Leakage Circuit Breaker...
A DOL starter is a direct online motor starter that provides full voltage to the motor.
Consists of a contactor, overload relay, and start/stop buttons
The contactor connects the motor to the power supply
The overload relay protects the motor from overloading
The start/stop buttons control the on/off function of the motor
Used for small motors with low starting current
Not suitable for large motors or motors with high starti
Test cases for a graph involve checking various scenarios to ensure the graph functions correctly.
Test case to check if the graph is empty
Test case to check if the graph contains nodes and edges
Test case to check if the graph can handle loops
Test case to check if the graph can handle disconnected components
Test case to check if the graph can handle weighted edges
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
They asked to check the concepts on Filter context and row context. Difference between calculated column and measure. On a screen share, there was a table visual with columns name, sum of amt(measure), sum of amt2(measure) and last column as a calculated measure to get the highest amt among both. the table visual was showing totals as well and the total was not coming correct for last column. the question was why and how to correct it.
Saint-Gobain interview questions for popular designations
Quantitive test series , simple math etc
Get interview-ready with Top Saint-Gobain Interview Questions
I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.
IT WAS BASIC AND EASY TO SOLVE
OOPS concepts in Java refer to the principles of Object-Oriented Programming such as inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class. Example: class B extends class A.
Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: private variables with public getter and setter methods.
Polymorphism...
I applied via Campus Placement and was interviewed in Sep 2024. There were 2 interview rounds.
Dotnet sql java dotnet sql java
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
Use ORM query to filter dates within a specified range
Use the 'filter' method in ORM to specify the date range
Use the '__range' lookup to specify the start and end dates
Example: Model.objects.filter(date_field__range=(start_date, end_date))
I was interviewed in Sep 2024.
I applied via Referral and was interviewed in May 2024. There were 2 interview rounds.
I have successfully handled a wide range of customers in my previous roles, including small businesses, large corporations, and individual consumers.
Experience working with small businesses, providing tailored solutions to meet their specific needs
Managed relationships with large corporations, ensuring smooth implementation of solutions and addressing any issues promptly
Assisted individual consumers with product inquir...
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