Electromech Engineers Interview Questions, Process, and Tips

Q1. Sale price on on day
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Q2. Start working
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Example Question (Numerical Ability):

Question:
If 15% of a number is 45, what is 30% of that number?

Solution:

1. Find the number:
If 15% of a number is 45, then



\text{Number} = \frac{45}{0.15} = 300.

2. Calculate 30% of the number:
Now, 30% of 300 is



0.30 \times 300 = 90.

Answer:
30% of the number is 90.


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Additional Example (Simple Interest):

Question:
A bank offers a simple interest rate of 5% per annum on a deposit of Rs.20,000. What will be the interest earned in 3 years?

Solution:

1. Use the simple interest formula:



\text{Simple Interest} = \frac{P \times R \times T}{100}

= Principal amount = Rs.20,000

= Rate of interest = 5%

= Time = 3 years


2. Calculate the interest:



\text{Interest} = \frac{20000 \times 5 \times 3}{100} = 3000.

Answer:
The interest earned in 3 years is Rs. 3000.

1. Quantitative Aptitude

Q: A sum of ₹10,000 is invested at 10% per annum simple interest. What is the interest after 3 years?
A: Interest = (P × R × T) / 100 = (10,000 × 10 × 3) / 100 = ₹3,000

2. Reasoning Ability

Q: If A is the father of B, but B is not the son of A, what is B’s relation to A?
A: Daughter

3. English Language

Q: Choose the correct sentence:
a) She don’t like coffee.
b) She doesn’t like coffee.
A: b) She doesn’t like coffee.

4. General Awareness (Banking GK)

Q: What does RBI stand for?
A: Reserve Bank of India

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Example Question (Numerical Ability):

Question:
A bank offers a simple interest rate of 6% per annum. If a customer deposits Rs. 25,000 for 4 years, what is the total simple interest earned over that period?

Solution:

1. Identify the formula for Simple Interest (SI):



\text{SI} = \frac{P \times R \times T}{100}

is the principal (Rs. 25,000)

is the rate of interest (6%)

is the time period (4 years)


2. Substitute the values into the formula:



\text{SI} = \frac{25000 \times 6 \times 4}{100}

3. Calculate the interest:



\text{SI} = \frac{25000 \times 24}{100} = \frac{600000}{100} = 6000.

Answer:
The total simple interest earned over 4 years is Rs. 6,000.


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Additional Example (Logical Reasoning):

Question:
In a sequence of numbers representing daily bank transactions, the amounts follow an arithmetic progression: 105, 115, 125, ... What will be the 8th transaction amount?

Solution:

1. Identify the first term and common difference:

First term,

Common difference,



2. Use the formula for the nth term of an arithmetic progression:



a_n = a_1 + (n - 1)d

3. Substitute :



a_8 = 105 + (8 - 1) \times 10 = 105 + 70 = 175.

Answer:
The 8th transaction amount is 175.

Q1. What are some of the Design Patterns you have worked with?
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Q2. What is your approach for a issue you came to know happened in Production.
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Q3. If given a chance to lead a team will you take it up as a challenge of not how would you tackle it?
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Q4. Are you able to work under pressure. How do you manage?
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Q5. What do you understand by SOLID principle? Why do you think it is important.
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Q6. Please solve the coding question provided ( a moderately difficult coding question provided). Help understand your approach and why you chose same. Explain edge caes if possible.
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The aptitude test will be conducted online.

Q1. Can you tell me about yourself?
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Q2. What is the thread lifecycle in programming?
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Q3. What is the purpose of collections in Java?
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Q4. What are the key concepts of Object-Oriented Programming (OOP)?
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Q5. What are some real-life examples that illustrate the concepts of Object-Oriented Programming (OOP)?
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Q6. Write a code for matrix multiplication?
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Q7. Could you provide details about your academic project?
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Q1. Basic questions
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It sounds like you might be asking for an aptitude test that has 20 questions or characters, possibly for a job application. Aptitude tests for jobs usually focus on assessing your ability to think logically, solve problems, and apply basic skills in areas like math, reasoning, and verbal abilities.

Here’s an example of 20 sample aptitude test questions, covering different types of skills:

1. Numerical Aptitude

What is 15% of 200?

If a car travels 60 miles in 1 hour, how far will it travel in 5 hours at the same speed?

Solve for x: 2x + 5 = 15.


2. Logical Reasoning

What comes next in the sequence: 2, 4, 8, 16, ___?

If all roses are flowers and some flowers are red, are all roses red?

Which number is the odd one out: 3, 5, 9, 7?


3. Verbal Ability

Find the synonym of "quick": a) slow, b) fast, c) steady, d) loud

Choose the correct sentence: "She don't like apples" or "She doesn't like apples?"

Find the antonym of "bright": a) shiny, b) dull, c) happy, d) light


4. Data Interpretation

If a graph shows sales increasing by 20% each month, how much is the increase in the 3rd month if sales were $100 initially?

The pie chart below shows the distribution of monthly expenses. If the rent is 25%, how much is the rent if the total is $1200?


5. Spatial

Q1. SQL medium questions to be done in Pyspark parallely.
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Q2. Datafactory and other azure resources scenario based
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Q1. Project discussion with the team lead and manager
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Q1. Technical and general discussion
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A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8

The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.

Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
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Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
Ans. 
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
• Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.

• Subclasses of a sealed class must be either final or sealed themselves.

• Errors may occur when trying to extend a sealed class with a non-permitted subclass.
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Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
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Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
Ans. 
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
• Create a database table to store user notifications for out-of-stock items

• Implement a service to check item availability and send notifications to subscribed users

• Provide a user interface for users to subscribe to notifications for specific items
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Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
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Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
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