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VILAS BUSINESS SOLUTIONS Interview Questions, Process, and Tips
Top VILAS BUSINESS SOLUTIONS Interview Questions and Answers
- Q1. Explain about subcoolers and why it is requiredasked in Refrigeration Engineer interview
- Q2. How to control super heatasked in Refrigeration Engineer interview
- Q3. Explain Refrigeration cycleasked in Refrigeration Engineer interview
VILAS BUSINESS SOLUTIONS Interview Experiences
2 interviews found
Anonymous
Interview Questionnaire
2 Questions
- Q1. It's related to previous projects
- Q2. Sheet metal and used CAD tools
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Sep 2021. There were 2 interview rounds.
(6 Questions)
- Q1. Study fundamental concepts of Refrigeration.
- Q2. Explain Refrigeration cycle
- Ans.
Refrigeration cycle is a process of removing heat from a low-temperature reservoir and transferring it to a high-temperature reservoir.
The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.
The refrigerant is compressed by the compressor and then condensed in the condenser, releasing heat.
The high-pressure refrigerant then passes through the expansion valve, where it expands ...
- Q3. Condenser working principal
- Ans.
Condenser is a device that converts refrigerant vapor into liquid by removing heat from it.
Condenser receives high-pressure, high-temperature refrigerant vapor from the compressor.
Heat is removed from the refrigerant vapor by either air or water.
As the refrigerant vapor loses heat, it condenses into a high-pressure liquid.
The liquid refrigerant then flows to the expansion valve or metering device.
Examples of condensers...
- Q4. Explain about evaporator
- Ans.
An evaporator is a heat transfer device that converts a liquid into a vapor or gas.
It is used in refrigeration systems to absorb heat from the surrounding environment.
The liquid refrigerant is evaporated inside the evaporator coil, which causes it to absorb heat from the air or water passing over the coil.
The evaporator coil is typically made of copper or aluminum and is filled with refrigerant.
The refrigerant evaporat...
- Q5. Explain about subcoolers and why it is required
- Ans.
Subcoolers are used in refrigeration systems to cool the refrigerant below its saturation temperature.
Subcoolers remove any remaining heat from the refrigerant after it has been condensed.
This ensures that the refrigerant is in a liquid state before entering the expansion valve.
Subcoolers improve the efficiency of the refrigeration cycle and increase the cooling capacity of the system.
Examples of subcoolers include she...
- Q6. How to control super heat
- Ans.
Superheat can be controlled by adjusting the refrigerant flow rate or by adjusting the evaporator pressure.
Adjust refrigerant flow rate
Adjust evaporator pressure
Use expansion valves to regulate refrigerant flow
Use pressure regulators to control evaporator pressure
Ensure proper insulation and airflow in the system
Regularly maintain and clean the system
Interview Preparation Tips
Refrigeration Engineer Interview Questions asked at other Companies
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I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.
Interview Preparation Tips
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Java questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
(3 Questions)
- Q1. Explain OOPs w.r.t Java
- Ans.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
- Q2. Explain about the projects that you have worked on
- Q3. Explain how Java solves machine dependency of code execution
- Ans.
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
(2 Questions)
- Q1. Why should we hire you?
- Q2. Tell me about yourself.
Interview Preparation Tips
- Java
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
(1 Question)
- Q1. Print 1 to 100 without for loop
- Ans.
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
(1 Question)
- Q1. General questions as per your cv
Interview Preparation Tips
- Aptitude
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Attended the codevita competition in final year of college.
(3 Questions)
- Q1. About College Project
- Q2. Some very basics of java
- Q3. Experience of college project as a team
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
It was a basic aptitude test.
(1 Question)
- Q1. Interview was fine. Mostly asked about my final year project.
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
(1 Question)
- Q1. Explain the mini projects and main project completed during Engineering.
Interview Preparation Tips
- DBMS
- Software Engineering
- Basic coding
Be confident and have a smiling face in the interview round.
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