APPL Industries Interview Questions and Answers

Q1. General Information about Me.
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Q2. Discuss With HR about Viswaat Chemical & Location & Position of vacancy.
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Q1. Previous Company Job Role & Responsibility.
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I was a Senior Marketing Manager at XYZ Company, responsible for developing and implementing marketing strategies.
• Developed marketing campaigns to increase brand awareness

• Managed a team of marketing professionals

• Analyzed market trends and competitor activities

• Collaborated with sales team to drive revenue growth
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Q2. Interest of Relocated
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Interest in relocating for job opportunities
• Consider the potential career growth and advancement opportunities in the new location

• Think about the cost of living and quality of life in the new area

• Evaluate the cultural fit and lifestyle preferences of the new location

• Research the job market and industry presence in the new area

• Consider the potential networking opportunities and professional development in the new locati
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Q1. Testing of Concrete & RM of concrete.
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Testing of concrete involves various methods to ensure quality and strength. Raw materials used in concrete production also play a crucial role.
• Concrete testing methods include compressive strength testing, slump testing, and air content testing.

• Raw materials of concrete include cement, aggregates, water, and admixtures.

• Quality control of raw materials is essential to ensure the desired properties of concrete.

• Proper mi...read more
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Q2. About Admixture & Type of Plasticizer & Application.
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Q1. Introduction of my self
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Q2. Difference between Water Reducer & Slump Retarder.
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Water reducer reduces the amount of water needed in concrete mix for desired workability, while slump retarder delays the setting time of concrete.
• Water reducer is used to decrease the water-cement ratio in concrete mix, improving workability and strength.

• Slump retarder is added to concrete to delay the setting time, allowing for more time to work with the mix.

• Water reducer helps in achieving higher strength concrete w...read more
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Q1. Salary Discussion
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Q1. Are u working on dcs
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Yes, I am currently working on DCS (Distributed Control System) in my role as an instrumentation engineer.
• Yes, I have experience working with DCS systems in various industrial settings.

• I am familiar with programming and troubleshooting DCS systems.

• I have implemented DCS upgrades and modifications to improve system performance.

• I have worked with DCS vendors to optimize system functionality.
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Q2. Are work on pt lt tt
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Q1. Chemical Synthesis
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Q2. Chemi Al process
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Q1. What is centrifuge?
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A centrifuge is a machine that uses centrifugal force to separate substances of different densities or to remove moisture.
• Centrifuges are commonly used in laboratories to separate components of blood or other fluids.

• They work by spinning samples at high speeds, causing heavier particles to move towards the bottom of the tube.

• Centrifuges can also be used in industrial processes, such as separating oil from water in the
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Q2. What is crystallization
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Crystallization is the process of formation of solid crystals from a homogeneous solution.
• Crystals are formed when atoms or molecules arrange themselves in a repeating pattern.

• It involves the separation of solute particles from a solution to form a solid crystal.

• Crystallization is used in various industries such as pharmaceuticals, food processing, and chemical manufacturing.

• Examples include the formation of sugar crys...read more
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Q3. At which point crystal formation is more
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Crystal formation is more at the point of supersaturation, where the solution contains more solute than it can normally hold.
• Crystal formation is more likely when the solution is cooled slowly, allowing time for the molecules to arrange themselves into a crystal lattice.

• Higher concentrations of solute in the solution increase the chances of crystal formation.

• Impurities in the solution can act as nucleation sites, promo...read more
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Q4. What is distillation
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Distillation is a process of separating components of a liquid mixture based on differences in boiling points.
• Distillation involves heating the liquid mixture to create vapor, then cooling the vapor to condense it back into liquid form.

• The components with lower boiling points will vaporize first and be collected, leaving behind components with higher boiling points.

• Common examples of distillation include the production...read more
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Q5. What is difference between boiling point and fire point and flash point
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Boiling point is the temperature at which a liquid turns into vapor, fire point is the temperature at which a substance can ignite and sustain combustion, and flash point is the temperature at which a substance gives off enough vapor to ignite momentarily.
• Boiling point is the temperature at which a liquid changes into vapor by overcoming atmospheric pressure.

• Fire point is the temperature at which a substance can ignite...read more
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Q6. What is oxygen percentage is required in confined space?
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The required oxygen percentage in a confined space is typically between 19.5% and 23.5%.
• Oxygen percentage in a confined space should be maintained between 19.5% and 23.5% for safe working conditions.

• Levels below 19.5% can lead to hypoxia (oxygen deficiency) and levels above 23.5% can increase the risk of fire.

• It is important to regularly monitor and test the oxygen levels in confined spaces to ensure safety.

• Proper vent...read more
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Q1. About height work permit
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Q2. What is centrifugal force
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Centrifugal force is the outward force experienced by an object moving in a circular path.
• Centrifugal force is not a real force, but rather a perceived force due to inertia.

• It is the opposite of centripetal force, which is the inward force keeping an object in circular motion.

• Examples include the feeling of being pushed to the side in a car when it takes a sharp turn, or water being pushed outwards in a spinning bucket
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Q3. How long will you be here
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Q4. Why you want to change your job
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Q5. What is Permit system
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A permit system is a formal process used to control and manage work activities in hazardous environments.
• Permit systems ensure that proper precautions are taken before work begins

• They typically involve obtaining written authorization to perform work

• Common types of permits include hot work permits, confined space permits, and electrical work permits
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Analytucal and good questions asked in the test.

Q1. Related my education
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Q2. Topic of engineering
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Q3. External cource
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Q4. PLC Starter of moter
Ans. 
PLC starter is used to control the starting and stopping of motors through a programmable logic controller.
• PLC starter controls motor operation based on programmed logic

• It can include features like overload protection, soft start, and emergency stop

• Examples of PLC starters include Siemens Sirius 3RW30 and Allen-Bradley SMC Flex
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Q5. VFD working process
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VFD stands for Variable Frequency Drive, which controls the speed of an AC motor by varying the frequency and voltage of the power supplied to it.
• VFD converts fixed frequency AC power to variable frequency AC power

• It controls motor speed by adjusting the frequency of the power supplied

• VFDs can improve energy efficiency and reduce wear and tear on motors

• Example: A VFD can be used in HVAC systems to control the speed of
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