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Voltas Senior Draughtsman Mechanical Interview Questions and Answers
Voltas Senior Draughtsman Mechanical Interview Experiences
1 interview found
Anonymous
Selected
I applied via Naukri.com and was interviewed in Aug 2022. There were 2 interview rounds.
(2 Questions)
- Q1. How many type of diffusers are there
- Ans.
There are several types of diffusers used in mechanical systems.
The most common types of diffusers are radial, axial, and mixed flow.
Radial diffusers are used in centrifugal compressors and have a circular cross-section.
Axial diffusers are used in axial compressors and have a rectangular cross-section.
Mixed flow diffusers are used in mixed flow compressors and have a combination of circular and rectangular cross-sectio...
- Q2. How for apart are sewer line manhole
- Ans.
The distance between sewer line manholes varies depending on the location and terrain.
The distance between manholes can range from 50 to 400 feet.
In urban areas, manholes are usually closer together due to the higher concentration of sewage.
In hilly areas, manholes are placed closer together to account for changes in elevation.
The distance between manholes can also be affected by the size of the pipe and the flow rate ...
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I applied via Approached by Company and was interviewed in Feb 2018. There were 5 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Questions were asked on experience, trades. Followed up with questions based on present technologies used. Some questions were based on the skills presented in resume/cv.
- Q2. What's a vfd? How does it functions? What's difference in vrf and vav system? Which nfpa code used for fire pumps? What's a freeboard in tanks?
- Ans.
A VFD is a Variable Frequency Drive used to control the speed of an electric motor. VRF and VAV systems are different types of HVAC systems. NFPA 20 is the code used for fire pumps. Freeboard is the distance between the liquid level and the top of a tank.
VFD stands for Variable Frequency Drive.
It is used to control the speed of an electric motor by varying the frequency and voltage supplied to the motor.
VFDs are common...
- Q3. Name the types of families in revit?
- Ans.
There are three types of families in Revit: system families, loadable families, and in-place families.
System families are predefined families that are included with Revit, such as walls, floors, and roofs.
Loadable families are families that are created by users or downloaded from external sources and can be loaded into a project.
In-place families are families that are created directly within a project and are specific ...
Interview Preparation Tips
Experience: Resume was shortlisted based on skills and availability.
Round: Test
Experience: Tool test for revit
Was asked to create a basic model of hvac and fps.
General Tips: Be confident. Try to gain skills. Learn or research new things such as present and upcoming technologies in your trade which could be helpful. Try to be fast at your work keeping your perfection at 99%, as nobody is perfect.
Skills: Autocad, Revit Software, Communication, Problem Solving, Decision Making Skills
Duration: 1-4 weeks
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