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posted on 22 Feb 2024
Star delta controlling is a method used to reduce the starting current of induction motors.
Star delta controlling involves initially connecting the motor windings in a star configuration for starting, then switching to a delta configuration for running.
It is commonly used for large induction motors to reduce the starting current and torque.
The transition from star to delta configuration is typically controlled by a mot...
In star delta connection, typically two contactors are used.
In star delta connection, one contactor is used for star connection and another contactor is used for delta connection.
The star contactor is typically rated for the current of one winding, while the delta contactor is rated for the full motor current.
Using two contactors helps in reducing the starting current and torque in the motor.
For example, a 3-phase moto...
Single line diagram for DOL is a simple representation of Direct-On-Line motor starter circuit.
DOL starter consists of a contactor, overload relay, and start/stop push buttons.
The single line diagram shows the connections between these components.
The power supply is connected to the contactor, which is then connected to the motor.
The overload relay is connected in series with the motor to protect it from overloading.
St...
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posted on 11 Jul 2022
I applied via Naukri.com and was interviewed in Jun 2022. There was 1 interview round.
I was interviewed in Aug 2017.
C is a procedural programming language while Java is an object-oriented programming language.
C is a low-level language while Java is a high-level language.
C requires manual memory management while Java has automatic memory management.
C is platform-dependent while Java is platform-independent.
C supports pointers while Java does not.
C has a simpler syntax compared to Java.
final, finally, and finalize are keywords in Java with different meanings.
final is a keyword used to declare a constant value, a variable that cannot be modified.
finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not.
finalize is a method in the Object class that is called by the garbage collector before an object is destroyed.
final and finally a...
Johnson is a reputable company known for its innovative software solutions and collaborative work environment.
Johnson has a strong reputation in the industry for delivering high-quality software solutions.
The company values collaboration and teamwork, which aligns with my own work style.
I admire Johnson's commitment to innovation and staying ahead of technological advancements.
posted on 22 Feb 2015
posted on 22 Mar 2015
My weakness is sometimes taking on too much work and struggling to delegate tasks effectively.
Difficulty delegating tasks
Tendency to take on too much work
Working on improving time management skills
posted on 19 Aug 2015
I am excited to join the company because of its reputation for innovation and commitment to excellence.
I am impressed by the company's track record of developing cutting-edge technology.
I am drawn to the company's culture of collaboration and teamwork.
I am excited about the opportunity to work with a talented and experienced team of engineers.
I believe that the company's focus on quality and customer satisfaction align...
In 10 years, I see myself as a highly experienced engineer leading a team of talented individuals towards innovative solutions.
Leading a team of engineers towards successful project completion
Continuing to learn and stay up-to-date with new technologies
Mentoring and guiding junior engineers
Contributing to the growth and success of the company
Exploring opportunities for professional development and growth
I have had both failures and successes in my career as a Senior Engineer.
One of my biggest successes was leading a team that developed a new software system that increased efficiency by 50%.
I also had a failure when I underestimated the complexity of a project and it ended up being delayed by several months.
Another success was implementing a new process that reduced errors by 75%.
I learned from a failure when I didn't ...
I applied via Naukri.com and was interviewed before Jun 2019. There were 3 interview rounds.
Implement stack data structure
Use an array or linked list to store elements
Push operation adds element to top of stack
Pop operation removes element from top of stack
Peek operation returns top element without removing it
Global variables are accessible from any part of the program and can be modified by any function.
Global variables are declared outside of any function.
They can be accessed and modified by any function in the program.
If a function modifies the value of a global variable, the new value is visible to all other functions.
Global variables can be useful for sharing data between functions.
However, overuse of global variables
Program to transpose a matrix
Iterate through rows and columns of the matrix
Swap the elements at (i,j) and (j,i) positions
Return the transposed matrix
Pre and post fix operators are used to increment or decrement a value before or after it is used in an expression.
Pre-fix operator (++x) increments the value of x and returns the new value.
Post-fix operator (x++) returns the value of x and then increments it.
Both operators can be used with variables of numeric data types.
They can also be used with pointers to increment or decrement the memory address they point to.
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