Thumbay Group Interview Questions and Answers

Q1. What is passive voltage?
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Q2. How much voltage between phase to neutral? And neutral to earth?
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Q3. What is the maximum allowable earthing voltage value?
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Q1. Tell me about yourself
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Q2. Why are you looking for a change?
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Q1. What is TCP/IP ?
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Q2. What is DNA ?
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Q1. What is Active Directory?
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Q2. What are IMAP and SMTP?
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MCQ question Electrical & Reasoning

Q1. What's is transformer & why use
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Q2. Why step up & step down voltage
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Q3. What is power factor and frequency
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Q4. What's is Earthing
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Q5. Draw Single line diagram of generation & distribution
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Q1. What is the difference between AC (Alternating Current) and DC (Direct Current) systems?
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Q2. What do you know about Switch Mode Power Supplies (SMPS)?
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Q1. What is the process for fitting contact lenses?
Ans. A contact lens fitting process involves a comprehensive eye exam to assess your eye health, measure the curvature of your cornea, pupil size, and tear quality, followed by trying on different trial lenses to find the best fit and prescription, and finally receiving instructions on proper care and usage once the ideal lens is selected; this usually includes a follow-up appointment to ensure comfort and vision quality wi
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Q2. Refraction and lensometer
Ans. Refraction is the process of measuring the refractive power of a lens, and a lensometer is an instrument used to perform this measurement. Refraction: The process of measuring the refractive power of a lens Lensometer: An optical instrument used to measure the refractive power of a lens
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Q3. Understanding how to talk to customers
Ans. 
Talking to customers involves active listening, empathy, clear communication, and problem-solving skills.
• Practice active listening to understand customer needs and concerns.

• Show empathy by acknowledging their feelings and demonstrating understanding.

• Communicate clearly and effectively to provide information or solutions.

• Use problem-solving skills to address any issues or challenges the customer may have.

• Provide excelle
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Q4. Asking customer about his problem before eye testing
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Q1. What is QAP &ITP
Ans. 
QAP stands for Quality Assurance Plan and ITP stands for Inspection and Test Plan.
• QAP outlines the quality control procedures and processes to be followed during a project.

• ITP details the specific inspections and tests that will be conducted to ensure quality standards are met.

• Both documents are essential for ensuring quality and compliance in projects.
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Q2. How total station work
Ans. 
Total stations are electronic/optical instruments used in surveying and construction to measure angles and distances.
• Total stations combine a theodolite for measuring angles with a distance meter to calculate distances.

• They use a laser beam to measure distances to objects.

• Total stations are commonly used in construction, civil engineering, and land surveying.

• They provide accurate measurements for mapping, setting out b...read more
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Q3. Why soil compactionis done
Ans. 
Soil compaction is done to increase soil density, improve load-bearing capacity, reduce water infiltration, and enhance root growth.
• Increase soil density to improve stability and reduce settling

• Improve load-bearing capacity for construction projects

• Reduce water infiltration to prevent erosion and improve drainage

• Enhance root growth by providing a stable environment for plants

• Common methods include using heavy machinery
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Q4. Why HDPE liner used
Ans. 
HDPE liner is used for its durability, chemical resistance, and flexibility in various applications.
• HDPE liner is chosen for its high durability, able to withstand harsh environmental conditions.

• It is chemically resistant, making it ideal for use in containment systems for hazardous materials.

• HDPE liner is flexible, allowing it to conform to the shape of the surface it is being applied to.

• Common applications include la...read more
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Q5. How FDD test carried out
Ans. 
FDD tests are carried out by following a structured approach to identify defects in software development.
• FDD tests involve creating test cases based on functional requirements

• Tests are executed to verify if the software functions as expected

• Defects found during testing are logged and prioritized for resolution

• Regression testing is performed to ensure that fixes do not introduce new issues
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35 questions to be solved within 60 mins

Group discussion with shortlisted candidates, 2 topics were given one after the other

Q1. Tell me about yourself, academics, strengths and weakness
Ans. 
I am a recent graduate with a strong academic background, excellent communication skills, and a passion for learning and growth.
• Graduated with a degree in Business Administration from XYZ University

• Completed internships at ABC Company and gained practical experience in project management

• Strong communication skills demonstrated through leadership roles in student organizations

• Passionate about continuous learning and per...read more
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Q2. Personal history, situation based questions
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Q1. What are the methods of Non-Destructive Testing (NDT)?
Ans. 
NDT methods include ultrasonic testing, radiographic testing, magnetic particle testing, liquid penetrant testing, and visual testing.
• Ultrasonic testing uses high-frequency sound waves to detect flaws or measure material thickness.

• Radiographic testing involves the use of X-rays or gamma rays to inspect the internal structure of a component.

• Magnetic particle testing is used to detect surface and near-surface flaws in fe...read more
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Q2. What are the procedures for soil testing?
Ans. 
Soil testing procedures involve collecting samples, analyzing them for nutrients and pH levels, and interpreting the results.
• Collect soil samples from different areas of the field

• Air dry the samples before sending them to a lab for analysis

• Test for nutrients like nitrogen, phosphorus, and potassium

• Measure pH levels to determine soil acidity or alkalinity

• Interpret the results to make recommendations for fertilizers or s
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Q3. IS CODES
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Q1. Commercial knowledge
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Q2. What is your reason for seeking a change?
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Q3. What is your preferred work location?
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Q1. What is your current Cost to Company (CTC), including any variable components?
Ans. 
My current Cost to Company (CTC) is $80,000 per annum, including a 10% variable component.
• My current CTC is $80,000 per annum

• Includes a 10% variable component

• Variable component is based on performance and sales targets
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Q2. What are your expectations regarding incentives and salary?
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Q1. Mechanical maintenance Technician
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Q2. Maintenance breakdown maintenance crane Ro Dm water plc vaccum pump
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Q3. Breakdown conver belt chain blowers cooling tower line maintenance Ro dm plant
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Q4. Breakdown maintenance
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Q5. Preventive maintenance
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