dot Professional Private Limited Senior Executive Operations Interview Questions and Answers

Q1. 1) overhauling of maintenance. 2) what is the function of cooling tower.
Ans. 
A cooling tower is a device used to remove heat from a building or industrial process.
• The function of a cooling tower is to cool down water or other fluids by extracting heat from them.

• Cooling towers are commonly used in HVAC systems, power plants, and industrial processes.

• They work by evaporating a small portion of the water, which removes heat and cools down the remaining water.

• The cooled water is then circulated bac...read more
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Q2. How to dismental of boiler feed pump
Ans. 
To dismantle a boiler feed pump, follow these steps
• Isolate the pump from the power source and drain the water from the system

• Remove the coupling and motor from the pump

• Disconnect the suction and discharge piping from the pump

• Remove the bolts and nuts that hold the pump casing together

• Lift the casing off the pump and remove the impeller and shaft

• Inspect and clean all parts before reassembling or replacing
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Q1. Basic ios Questions No DS questions
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Q2. Basic swift quesions
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Q3. In App Purchase
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Q4. Hardware Device connectivity
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SQL Test with 5 questions

Q1. Approach towards solving the SQL Queries from the test
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Q2. Past Experiences
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Q1. Resume related Questions
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Q2. Power BI and SQL related questions. How to approach in a dashboard building process
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Moderate level, maths reasoning questions

Round 1: Round 1 was an MCQ exam. The time allotted was 45 minutes and 30 questions had to be answered. There was negative marking for wrong answers(-1)

This was a programming round. We were given 4 questions that had to be solved in 1 hour. The coding questions were-

Matrix multiplication
Program to write linear convolution
A question based on graphs
Another question on the 2D array.

It consists of Computer Science subjects and 2 to 3 apptitudee majorly os and c++

3 question s are provided and they are from strings 2d array and graph

Q1. Matrix multiplication
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Q2. Valid paranthis or not and other dsa related questions
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Q1. About my project s
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Q2. Doubly linked list implementation
Ans. 
A doubly linked list is a data structure where each node contains a reference to the next and previous nodes.
• Nodes have two pointers: one to the next node and one to the previous node.

• Insertions and deletions can be done efficiently at both ends of the list.

• Traversal can be done in both directions.

• Example: DoublyLinkedListNode { data, prev, next }
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Q1. Some scenario based question
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Q2. And general questions
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It is easy and you can clear it.

It was moderate and hard questions

Contains 2 coding questions

Q1. Oops, computer architecture based questions
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Q2. Operating system questions
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Q3. Print the matrix in spiral
Ans. 
Print a matrix in spiral order
• Start by printing the first row from left to right

• Then print the last column from top to bottom

• Continue in a spiral pattern until all elements are printed
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Q4. Computer architecture based questions
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Q5. Tree, linkedlist based questions
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