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I applied via Campus Placement and was interviewed in Sep 2020. There were 3 interview rounds.
Pumps: centrifugal, positive displacement, axial flow. Compressors: reciprocating, rotary, centrifugal.
Centrifugal pumps use a rotating impeller to move fluid.
Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge.
Axial flow pumps use propellers to move fluid.
Reciprocating compressors use pistons to compress gas.
Rotary compressors use rotating screws or vanes to compress ...
Characteristic curve of a pump shows the relationship between flow rate and head developed by the pump.
It is a graph plotted between flow rate and head developed by the pump.
It helps in determining the efficiency of the pump.
The curve is obtained by conducting experiments on the pump.
It is used to select the appropriate pump for a given application.
Shutoff pressure is the maximum pressure a pump can generate when it is not pumping any fluid.
Shutoff pressure is also known as deadhead pressure.
It is the pressure at which the pump can no longer move any fluid.
It is important to know the shutoff pressure to prevent damage to the pump and system.
For example, if the shutoff pressure of a pump is 100 psi, the pump will stop generating flow when the pressure in the syste
Types of columns and their selection criteria for engineering projects.
Types of columns include steel, concrete, timber, and composite columns.
Selection criteria depend on factors such as load capacity, material availability, and cost.
For example, steel columns are often used in high-rise buildings due to their strength and durability.
Concrete columns are preferred for their fire resistance and low maintenance.
Timber c...
Design of column, heat exchanger, and centrifugal pump involves various factors such as fluid properties, operating conditions, and material selection.
Column design involves determining the column diameter, height, and packing material based on the required separation efficiency and pressure drop.
Heat exchanger design involves selecting the appropriate type of exchanger, determining the heat transfer area, and selectin...
Joule-Thomson coefficient is the change in temperature of a gas when it is allowed to expand or contract without any work being done.
It is a measure of the rate of change of temperature with respect to pressure at constant enthalpy.
It is used in cryogenic technology to determine the cooling effect of a gas when it expands through a valve or porous plug.
The coefficient can be positive or negative depending on the gas an...
Refrigeration cycle is a thermodynamic process used in refrigerators and air conditioners to transfer heat from a low-temperature region to a high-temperature region.
The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.
The refrigerant is compressed by the compressor and then condensed in the condenser, releasing heat to the surroundings.
The high-pressure liquid refrigerant ...
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posted on 19 Sep 2023
I applied via campus placement at LD College of Engineering, Ahmedabad and was interviewed in Mar 2023. There were 3 interview rounds.
Transformer protection is essential to prevent damage and ensure reliable operation.
Types of protection include overcurrent, overvoltage, differential, and thermal protection.
Relays are used to detect faults and initiate protective actions.
Buchholz relay is used for detecting internal faults in oil-filled transformers.
Pressure relief devices are installed to prevent explosion in case of internal faults.
Regular maintena...
posted on 10 Feb 2023
I applied via Campus Placement and was interviewed in Jan 2023. There were 3 interview rounds.
Questions regarding chemical engineering subjects
posted on 16 Mar 2022
I applied via Company Website and was interviewed before Mar 2021. There were 3 interview rounds.
Various types of pumps include centrifugal, positive displacement, axial flow, and jet pumps.
Centrifugal pumps use a rotating impeller to create a flow of fluid.
Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge port.
Axial flow pumps move fluid parallel to the pump shaft.
Jet pumps use a combination of pressure and suction to move fluid.
Other types of pumps include gea
The least count of vernier caliper is the smallest measurement that can be read on the scale.
The least count is determined by the number of divisions on the vernier scale and the main scale.
It is usually 0.1 mm or 0.02 mm for metric vernier calipers and 0.001 inch for imperial vernier calipers.
To determine the least count, subtract the value of one main scale division from the value of one vernier scale division.
For ex...
Micrometer screw gauge is used for higher precision measurements than vernier caliper.
Micrometer screw gauge has a higher accuracy of measurement than vernier caliper.
Micrometer screw gauge has a smaller least count than vernier caliper.
Micrometer screw gauge is used for measuring thickness, diameter, and depth of objects with high precision.
Vernier caliper is used for measuring length, width, and height of objects wit
During my internship, I faced difficulties in adapting to new software tools and collaborating with team members.
Adapting to new software tools: I had limited experience with certain software tools that were used in the internship. However, I took the initiative to learn them by attending online tutorials, seeking guidance from colleagues, and practicing on my own.
Collaborating with team members: Initially, I found it ...
Blower is used to move air or gas while compressor is used to compress air or gas.
Blower is used to create a high flow of air or gas at low pressure.
Compressor is used to compress air or gas to a higher pressure.
Blowers are used in HVAC systems, while compressors are used in refrigeration systems.
Blowers are used in industrial applications to move large volumes of air or gas.
Compressors are used in pneumatic tools like
Mechanical joints are used to connect two or more mechanical parts together. There are various types of joints and processes.
Welding joints - fusion welding, resistance welding, friction welding
Brazing joints - torch brazing, furnace brazing, induction brazing
Soldering joints - soft soldering, hard soldering
Mechanical joints - bolted joints, riveted joints, snap-fit joints
Adhesive joints - structural adhesive, pressure...
I would expect a competitive salary that reflects my qualifications and the responsibilities of the role.
Research the average salary range for Graduate Engineer Trainees in your industry and location.
Consider your level of experience, education, and any additional skills or certifications you bring to the role.
Take into account the responsibilities and expectations outlined in the job description.
Be prepared to negotia...
My family background is diverse and supportive.
My parents are both professionals in different fields.
I have two siblings, one older and one younger.
We come from a middle-class background and value education.
My family has always been supportive of my career choices.
We have a close-knit extended family and often gather for celebrations.
I worked as a Junior Engineer at XYZ Company.
Assisted senior engineers in designing and implementing projects
Conducted research and analysis to support engineering decisions
Collaborated with cross-functional teams to ensure project success
Prepared technical reports and documentation
Participated in on-site inspections and troubleshooting
Seeking new opportunities for professional growth and development.
Looking for a more challenging role
Want to broaden my skill set
Seeking better career prospects
Interested in working with a different industry or technology
Want to work in a more collaborative and innovative environment
I am a recent graduate with a degree in engineering, seeking a position as a Graduate Engineer Trainee.
Recent graduate with a degree in engineering
Seeking a position as a Graduate Engineer Trainee
Strong knowledge in [specific engineering field]
Experience with [relevant software/tools]
Completed internships at [company/organization]
Excellent problem-solving and analytical skills
posted on 4 Feb 2022
I applied via Campus Placement and was interviewed before Feb 2021. There was 1 interview round.
Answers to various technical questions related to engineering.
Forced convection involves external forces like pumps or fans to move the fluid, resulting in higher heat transfer compared to free convection where the fluid moves naturally due to density differences.
The color of a flame depends on the temperature and the chemical composition of the fuel. For example, a blue flame is hotter than a yellow flame.
Bernoulli's ...
posted on 16 Dec 2023
I applied via Approached by Company and was interviewed in Nov 2023. There were 2 interview rounds.
The scope of chemical engineering is vast, encompassing various industries and applications.
Chemical engineering involves the design, development, and operation of processes and systems that convert raw materials into useful products.
It is applicable in industries such as pharmaceuticals, petrochemicals, food and beverage, energy, environmental engineering, and more.
Chemical engineers work on improving efficiency, safe...
Distillation is a process of separating components of a liquid mixture based on their different boiling points.
Distillation involves heating the mixture to vaporize the more volatile components.
The vapor is then cooled and condensed back into liquid form, separating the components.
The component with the lower boiling point will condense first and can be collected separately.
Distillation is commonly used in industries s...
In the context of a liquid mixture, distillation refers to the selective boiling of a component and subsequent condensation of that component..
Heat transfer is the process of thermal energy transfer between objects or systems.
Heat transfer is essential in various industrial processes, such as heating, cooling, and drying.
It plays a crucial role in the design and operation of heat exchangers, boilers, and refrigeration systems.
Heat transfer can occur through conduction, convection, and radiation.
Conduction is the transfer of heat through direct contact between...
Mass transfer refers to the movement of substances from one place to another in a system.
Mass transfer is important in various industrial processes such as distillation, absorption, and extraction.
It involves the transfer of mass or molecules between phases, such as gas-liquid, liquid-liquid, or solid-liquid.
Mass transfer can occur through various mechanisms including diffusion, convection, and interfacial mass transfe...
posted on 10 Aug 2023
I applied via Company Website and was interviewed in Jul 2023. There were 2 interview rounds.
Modes of heat transfer include conduction, convection, and radiation.
Conduction: Heat transfer through direct contact between particles or objects.
Convection: Heat transfer through the movement of fluids or gases.
Radiation: Heat transfer through electromagnetic waves.
Examples: Cooking on a stove (conduction), heating a room with a radiator (convection), feeling the warmth of the sun (radiation).
posted on 14 Dec 2019
I applied via campus placement at Harcourt Butler Technology Institute, Kanpur and was interviewed in Jun 2019. There were 5 interview rounds.
Herbicide is a type of pesticide used to kill unwanted plants.
Herbicides are chemicals that are used to control or kill unwanted plants.
They are commonly used in agriculture to prevent weeds from competing with crops.
Some herbicides are selective, meaning they only target specific types of plants, while others are non-selective and will kill any plant they come into contact with.
Examples of herbicides include glyphosat...
PI Industries is a leading agrochemical company in India that manufactures and supplies a wide range of products.
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Bernoulli's theorem explains the relationship between fluid speed and pressure.
Bernoulli's theorem states that as the speed of a fluid increases, its pressure decreases.
It is important in industries such as aviation, where it is used to design wings and airfoils.
It is also used in the design of pipelines and pumps.
Limitations include the assumption of incompressible and non-viscous fluids, and the neglect of friction a...
Pump is used to transfer fluids from one place to another while compressor is used to compress gases.
Pump is used to move fluids like water, oil, etc. from one place to another.
Compressor is used to compress gases like air, refrigerant, etc.
Pumps are used in industries, households, and agriculture while compressors are used in refrigeration, air conditioning, and gas pipelines.
Pumps have a lower pressure ratio while co...
Closing a shutoff valve while the pump is running dry can cause damage to the pump and other components.
The pump will continue to run but without any fluid to circulate, causing it to overheat and potentially seize.
The lack of fluid can also cause damage to the impeller and other internal components.
The pressure in the system can also increase, leading to potential leaks or bursts in the pipeline.
It is important to ens...
Closing the shutoff valve while pumping in a centrifugal pump can cause damage to the pump and the piping system.
The pump will continue to generate pressure, leading to a buildup of pressure in the piping system.
This can cause the pump to overheat and potentially damage the impeller.
The piping system may also experience damage due to the increased pressure.
It is important to ensure that the shutoff valve is only closed...
Connecting pumps in series increases head while connecting in parallel increases flow rate.
Connecting pumps in series increases the total head of the system while connecting in parallel increases the total flow rate.
In series connection, the discharge remains the same while the head increases.
In parallel connection, the head remains the same while the discharge increases.
Series connection is used when high head is requ...
Dimensions of power, energy, force and acceleration.
Power is measured in watts (W) and is the rate at which work is done.
Energy is measured in joules (J) and is the capacity to do work.
Force is measured in newtons (N) and is the push or pull on an object.
Acceleration is measured in meters per second squared (m/s^2) and is the rate of change of velocity.
Valves are mechanical devices used to control the flow of fluids or gases.
Valves are used in various industries such as oil and gas, water treatment, and chemical processing.
They can be classified into different types such as gate valves, ball valves, and butterfly valves.
Valves can be operated manually or automatically using actuators.
They play a crucial role in maintaining the safety and efficiency of industrial proc...
Types of what? Please provide more context.
Please provide more context for the question.
Without context, it is impossible to provide a meaningful answer.
Types can refer to many different things, such as types of engineering, types of materials, types of software, etc.
posted on 17 Aug 2021
posted on 16 Mar 2022
I applied via Company Website and was interviewed before Mar 2021. There were 3 interview rounds.
Various types of pumps include centrifugal, positive displacement, axial flow, and jet pumps.
Centrifugal pumps use a rotating impeller to create a flow of fluid.
Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge port.
Axial flow pumps move fluid parallel to the pump shaft.
Jet pumps use a combination of pressure and suction to move fluid.
Other types of pumps include gea
The least count of vernier caliper is the smallest measurement that can be read on the scale.
The least count is determined by the number of divisions on the vernier scale and the main scale.
It is usually 0.1 mm or 0.02 mm for metric vernier calipers and 0.001 inch for imperial vernier calipers.
To determine the least count, subtract the value of one main scale division from the value of one vernier scale division.
For ex...
Micrometer screw gauge is used for higher precision measurements than vernier caliper.
Micrometer screw gauge has a higher accuracy of measurement than vernier caliper.
Micrometer screw gauge has a smaller least count than vernier caliper.
Micrometer screw gauge is used for measuring thickness, diameter, and depth of objects with high precision.
Vernier caliper is used for measuring length, width, and height of objects wit
During my internship, I faced difficulties in adapting to new software tools and collaborating with team members.
Adapting to new software tools: I had limited experience with certain software tools that were used in the internship. However, I took the initiative to learn them by attending online tutorials, seeking guidance from colleagues, and practicing on my own.
Collaborating with team members: Initially, I found it ...
Blower is used to move air or gas while compressor is used to compress air or gas.
Blower is used to create a high flow of air or gas at low pressure.
Compressor is used to compress air or gas to a higher pressure.
Blowers are used in HVAC systems, while compressors are used in refrigeration systems.
Blowers are used in industrial applications to move large volumes of air or gas.
Compressors are used in pneumatic tools like
Mechanical joints are used to connect two or more mechanical parts together. There are various types of joints and processes.
Welding joints - fusion welding, resistance welding, friction welding
Brazing joints - torch brazing, furnace brazing, induction brazing
Soldering joints - soft soldering, hard soldering
Mechanical joints - bolted joints, riveted joints, snap-fit joints
Adhesive joints - structural adhesive, pressure...
I would expect a competitive salary that reflects my qualifications and the responsibilities of the role.
Research the average salary range for Graduate Engineer Trainees in your industry and location.
Consider your level of experience, education, and any additional skills or certifications you bring to the role.
Take into account the responsibilities and expectations outlined in the job description.
Be prepared to negotia...
My family background is diverse and supportive.
My parents are both professionals in different fields.
I have two siblings, one older and one younger.
We come from a middle-class background and value education.
My family has always been supportive of my career choices.
We have a close-knit extended family and often gather for celebrations.
I worked as a Junior Engineer at XYZ Company.
Assisted senior engineers in designing and implementing projects
Conducted research and analysis to support engineering decisions
Collaborated with cross-functional teams to ensure project success
Prepared technical reports and documentation
Participated in on-site inspections and troubleshooting
Seeking new opportunities for professional growth and development.
Looking for a more challenging role
Want to broaden my skill set
Seeking better career prospects
Interested in working with a different industry or technology
Want to work in a more collaborative and innovative environment
I am a recent graduate with a degree in engineering, seeking a position as a Graduate Engineer Trainee.
Recent graduate with a degree in engineering
Seeking a position as a Graduate Engineer Trainee
Strong knowledge in [specific engineering field]
Experience with [relevant software/tools]
Completed internships at [company/organization]
Excellent problem-solving and analytical skills
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