Nannumal Glass Works Interview Questions and Answers

It was an online aptitude round along with the chemical engineering core domain question

The group discussion round was of about 10 mins

Q1. Then HR questions were there about relocation and shifting work. Also related to hobbies and interests.
Add your answer

Q1. Then technical core questions were asked from basic chemical engineering domain. Questions from heat transfer, conductivity and phenomenon of refraction were there.
Add your answer

Q1. What is value of water pH?
Ans. 
The value of water pH indicates its acidity or alkalinity.
• Water pH is a measure of how acidic or alkaline the water is.

• The pH scale ranges from 0 to 14, with 7 being neutral.

• A pH below 7 indicates acidity, while a pH above 7 indicates alkalinity.

• Pure water has a pH of 7.

• Different substances can affect the pH of water, such as pollutants or minerals.
Answered by AI
Add your answer
Q2. 40% of 800 how much?
Ans. 
40% of 800 is 320.
• Calculate 40% of 800 by multiplying 800 by 0.4.

• 40% of 800 = 800 * 0.4 = 320.
Answered by AI
Add your answer
Q3. How many tons for 1 kilogram?
Ans. 
1 kilogram is equal to 0.001 metric tons.
• 1 kilogram = 0.001 metric tons

• To convert kilograms to metric tons, divide by 1000

• Example: 5 kilograms = 5 * 0.001 = 0.005 metric tons
Answered by AI
Add your answer
Q4. Tell about pH scale
Ans. 
pH scale is a measure of acidity or alkalinity of a solution on a scale of 0 to 14.
• pH below 7 indicates acidity, with 0 being the most acidic

• pH above 7 indicates alkalinity, with 14 being the most alkaline

• Pure water has a pH of 7, considered neutral
Answered by AI
Add your answer
Q5. Tell about water properties
Ans. 
Water properties include cohesion, adhesion, high specific heat, universal solvent, and density anomaly.
• Cohesion: Water molecules stick to each other due to hydrogen bonding.

• Adhesion: Water molecules stick to other substances due to polarity.

• High specific heat: Water can absorb a lot of heat before temperature changes.

• Universal solvent: Water can dissolve many substances due to its polarity.

• Density anomaly: Water is mo
Answered by AI
Add your answer

Topic-Can Robot replace human emotions

Q1. What is machine?
Add your answer
Q2. Which protective device trips the circuit.
Add your answer

Q1. Test of cement and theire types?
Ans. 
Cement is tested for its quality and strength. Types include Portland cement, rapid hardening cement, and white cement.
• Cement is tested for compressive strength, fineness, setting time, soundness, and consistency.

• Types of cement include Portland cement, rapid hardening cement, white cement, etc.

• Example: Portland cement is commonly used in construction for its versatility and durability.
Answered by AI
Add your answer
Q2. RCC Design, ISI code of cement
Add your answer
Q3. Slump cone test and their size
Ans. 
Slump cone test is used to measure the workability of concrete. The size of the slump cone is standardized.
• Slump cone test is a common test used in construction to determine the consistency of concrete mix.

• The size of the slump cone is typically 12 inches in height, 8 inches in diameter at the base, and 4 inches in diameter at the top.

• During the test, the slump cone is filled with concrete, compacted, and then lifted o...read more
Answered by AI
Add your answer
Q4. Consistency Test
Add your answer

Whose cement is best, Complaint Handling experience?

Q1. Why change your job?
Ans. 
Seeking new challenges and opportunities for growth.
• Looking for a new challenge to expand my skills and knowledge.

• Seeking opportunities for career advancement and growth.

• Wanting to work in a more dynamic and fast-paced environment.

• Interested in exploring different industries or sectors.

• Desire for a better work-life balance or location change.
Answered by AI
Add your answer
Q2. Salary negotiation?
Add your answer

Q1. What is Ohm's Law?
Ans. 
Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to the resistance of the conductor.
• Ohm's Law is represented by the formula V = IR, where V is voltage, I is current, and R is resistance.

• It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.

• For example, if a circuit has ...read more
Answered by AI
Add your answer
Q2. What are Transformer protection?
Ans. 
Transformer protection refers to the measures taken to ensure the safe operation of transformers and prevent damage.
• Overcurrent protection: Protects against excessive current flow.

• Overvoltage protection: Safeguards against high voltage levels.

• Overtemperature protection: Prevents overheating of the transformer.

• Differential protection: Detects internal faults by comparing input and output currents.

• Buchholz relay: Detects...read more
Answered by AI
Add your answer
Q3. Your computer knowledge?
Ans. 
Proficient in computer hardware, software, and programming languages relevant to electrical engineering.
• Skilled in using CAD software for circuit design

• Familiar with programming languages like C, Python, and MATLAB for simulations

• Knowledge of microcontrollers and embedded systems programming

• Experience with PLC programming for automation systems
Answered by AI
Add your answer
Q4. What is motor protection?
Ans. 
Motor protection is a system designed to prevent damage to motors from electrical faults or overloads.
• Motor protection devices include overload relays, thermal protectors, and circuit breakers.

• These devices monitor the current and temperature of the motor to prevent overheating and damage.

• Motor protection also involves proper grounding, insulation, and regular maintenance to ensure safe operation.

• Examples of motor prot...read more
Answered by AI
Add your answer
Q5. What is your hobbies?
Ans. 
My hobbies include playing the guitar, hiking, and photography.
• Playing the guitar helps me relax and express my creativity.

• Hiking allows me to explore nature and stay active.

• Photography is a passion of mine, capturing moments and scenes in a unique way.
Answered by AI
Add your answer

Sql, nodejs JavaScript

Q1. Joins in sql, differences between join
Add your answer
Q2. Sql query functions used in sql
Add your answer

My interview first round with HR and concern commercial department head with discussion for material procurement planing,new vendor development, dispatch planing , supply chain, NPD product development, short fall material follow up, daily basis vendor visit, customer care support, warehouse and Q.c team support any spare required, ect.