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Deccan Fine Chemicals
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I applied via Campus Placement and was interviewed before Dec 2021. There were 2 interview rounds.
The number of plates in a distillation column can be found using the McCabe-Thiele method.
The McCabe-Thiele method involves constructing a graph of the distillation process and determining the number of theoretical plates required for separation.
The method takes into account the vapor-liquid equilibrium data and the reflux ratio of the column.
The number of plates can also be estimated using empirical correlations or si...
Net Positive Suction Head (NPSH) is the difference between the absolute pressure at the suction of the pump and the vapor pressure of the liquid.
NPSH is a critical parameter in pump design and operation.
It determines whether the pump will cavitate or not.
Cavitation can cause damage to the pump and reduce its efficiency.
NPSH is affected by factors such as fluid properties, pump speed, and suction piping design.
NPSH can ...
An Agitated Nutsche Filter Dryer is a type of equipment used for solid-liquid separation and drying of pharmaceuticals, chemicals, and food products.
It is a batch filter with a mechanical agitation system
It is used for filtration, washing, and drying of solids
It is commonly used in the pharmaceutical industry for the production of antibiotics and other drugs
It is also used in the chemical industry for the production of...
A dryer is a device used to remove moisture or water content from a substance or material.
There are several types of dryers, including air dryers, rotary dryers, spray dryers, and freeze dryers.
Air dryers use hot air to remove moisture from materials.
Rotary dryers use rotating drums to dry substances.
Spray dryers use a spray nozzle to atomize liquid into a hot drying medium.
Freeze dryers freeze materials and then remov...
I was interviewed in Dec 2024.
Shaft balancing in accordance with ISO 21940-11 and ISO 21940-12 standards involves reducing vibrations by adjusting the mass distribution along the shaft.
Shaft balancing aims to minimize vibrations in rotating machinery by adjusting the mass distribution along the shaft.
ISO 21940-11 specifies the balancing process for rigid rotors, while ISO 21940-12 covers the balancing of flexible rotors.
Balancing involves adding or...
Equipment alignment involves ensuring that all components of a machine are properly positioned and oriented to work efficiently and accurately.
Ensuring that all parts of the equipment are correctly positioned relative to each other
Checking and adjusting the alignment of shafts, belts, gears, and other components
Using precision tools such as laser alignment systems to achieve accurate alignment
Proper alignment helps pre...
I was interviewed in Dec 2024.
API STD 610 is a standard for centrifugal pumps for petroleum, petrochemical, and natural gas industries.
API STD 610 specifies requirements for centrifugal pumps used in the petroleum, petrochemical, and natural gas industries.
It covers design, materials, testing, and performance of centrifugal pumps.
The standard also includes guidelines for pump selection, installation, operation, and maintenance.
API STD 610 helps ens...
API 510 is used for pressure vessel inspection and maintenance in accordance with industry standards.
API 510 is a widely recognized standard for the inspection, repair, alteration, and rerating of pressure vessels.
It ensures that pressure vessels are maintained in a safe and reliable condition.
By following API 510 guidelines, maintenance engineers can ensure compliance with industry standards and regulations.
Using API ...
A filler gauge is a tool used to measure the gap between two objects.
Filler gauges are commonly used in maintenance to check clearances between parts
They are typically made of a set of thin metal blades of varying thickness
The user selects the appropriate blade that fits snugly in the gap being measured
Filler gauges are useful for ensuring proper tolerances in machinery and equipment
The least count diameter refers to the smallest increment that can be measured on a diameter scale.
Least count diameter is the smallest division that can be measured on a diameter scale.
It is typically determined by the precision of the measuring instrument being used.
For example, if a micrometer has a least count of 0.01 mm, it means that it can measure diameter increments in 0.01 mm intervals.
I am responsible for maintaining and repairing various parts in the machinery and equipment.
I am familiar with the different types of bearings used in machinery such as ball bearings, roller bearings, and sleeve bearings.
I have experience in troubleshooting and replacing faulty bearings to ensure smooth operation of the equipment.
I work closely with the procurement team to ensure we have an adequate supply of bearings ...
I applied via Newspaper Ad
Deccan Fine Chemicals interview questions for popular designations
I applied via Walk-in and was interviewed in Nov 2024. There was 1 interview round.
Get interview-ready with Top Deccan Fine Chemicals Interview Questions
I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.
Mechanical seals are devices that help prevent leakage between two surfaces in relative motion.
Mechanical seals are commonly used in pumps, compressors, and other rotating equipment to prevent leakage of fluids.
They consist of two main parts - a stationary element and a rotating element, which are held together by tension to create a seal.
The seal faces are typically made of materials like carbon, ceramic, or tungsten ...
The cost of bearing parts can vary depending on the type, size, and quality of the bearing.
Bearing parts can range from a few dollars to hundreds of dollars, depending on the specific requirements.
Factors such as material, size, precision, and brand can all impact the cost of bearing parts.
For example, a standard ball bearing for a small appliance may cost around $5, while a high-precision ceramic bearing for a special...
Predictive maintenance involves using data and analytics to predict when equipment failure may occur, allowing for timely maintenance to prevent breakdowns.
Uses data and analytics to predict when equipment failure may occur
Helps in scheduling maintenance activities before breakdowns occur
Reduces downtime and increases equipment reliability
Examples include vibration analysis, oil analysis, and thermography
ISO 28721-1.2019 is a code used for establishing a framework for implementing reliability-centered maintenance (RCM) in engineering.
ISO 28721-1.2019 provides guidelines for developing maintenance strategies based on reliability-centered maintenance principles.
It helps in identifying the most effective maintenance tasks to ensure equipment reliability and safety.
The code outlines the process of analyzing potential failu...
I was interviewed before Mar 2024.
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HIRA stands for Hazard Identification and Risk Assessment, while HAZOP stands for Hazard and Operability Study.
HIRA is a systematic process for identifying hazards and assessing risks associated with a process or operation.
HAZOP is a structured and systematic examination of a planned or existing process or operation to identify and evaluate problems that may represent risks to personnel or equipment.
HIRA involves ident...
posted on 16 Sep 2024
Number of theoretical plates can be calculated using the plate theory or the distillation column design equation.
The plate theory method involves using the equilibrium data for the components being separated and the operating conditions of the column.
The distillation column design equation method involves using the height equivalent to a theoretical plate (HETP) and the total number of plates in the column.
Example: For...
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
I am a fresher with no prior experience in the field.
I recently graduated with a degree in Chemistry and am eager to apply my knowledge in a professional setting.
While I may not have direct experience in production chemistry, I have completed relevant coursework and projects during my studies.
I am a quick learner and am confident in my ability to adapt to new challenges and responsibilities.
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The duration of Deccan Fine Chemicals interview process can vary, but typically it takes about less than 2 weeks to complete.
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