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Himadri Speciality Chemical Interview Questions and Answers
9 Interview questions
The machine capacity refers to the maximum amount of work or output that a machine can handle within a given time frame.
Machine capacity can be measured in terms of units produced per hour, pieces processed per minute, or any other relevant metric.
Factors that can affect machine capacity include machine speed, efficiency, maintenance, and downtime.
For example, a CNC machine may have a capacity of producing 100 uni...
Oil circuit breakers use oil as an arc extinguishing medium, while air circuit breakers use compressed air.
Oil circuit breakers use oil as an arc extinguishing medium, while air circuit breakers use compressed air.
Oil circuit breakers are typically used for high voltage applications, while air circuit breakers are more common in low to medium voltage applications.
Oil circuit breakers require regular maintenance to...
Birds do not get shocked when sitting on live wires due to the principle of equipotentiality.
Birds do not complete the circuit as they are not grounded
Birds have a high resistance to electricity due to their body structure
Electricity follows the path of least resistance, which is the wire rather than the bird
Mooney viscosity is a measure of the viscosity of rubber compounds under shear.
Mooney viscosity is commonly used in the rubber industry to assess the processability of rubber compounds.
It is measured using a Mooney viscometer, which applies shear stress to the rubber sample and measures its resistance to flow.
Higher Mooney viscosity values indicate higher viscosity and more resistance to flow, which can affect the...
Generators and alternators are both electrical devices that convert mechanical energy into electrical energy, but they differ in their construction and working principles.
Generators produce direct current (DC) while alternators produce alternating current (AC).
Generators use a commutator and brushes to convert mechanical energy into electrical energy, while alternators use slip rings and brushes.
Generators are typ...
Actuators are devices that convert energy into motion. Types include electric, hydraulic, pneumatic, and piezoelectric actuators.
Electric actuators: convert electrical energy into mechanical motion (e.g. motors)
Hydraulic actuators: use liquid pressure to generate motion (e.g. hydraulic cylinders)
Pneumatic actuators: use compressed air to create motion (e.g. pneumatic cylinders)
Piezoelectric actuators: use piezoele...
Control valves include globe, butterfly, ball, and plug valves. Transmitters include pressure, temperature, level, and flow transmitters.
Types of control valves: globe, butterfly, ball, plug
Types of transmitters: pressure, temperature, level, flow
Examples: Globe valve, Pressure transmitter
Losses in a transformer include copper losses and iron losses.
Copper losses occur due to the resistance of the transformer windings.
Iron losses, also known as core losses, occur due to hysteresis and eddy currents in the transformer core.
Copper losses can be minimized by using larger conductor sizes and reducing the winding resistance.
Iron losses can be reduced by using high-quality magnetic materials and minimizi...
The principle of transformer is based on electromagnetic induction, where a changing magnetic field induces a voltage in a coil. Induction machines work on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
Transformer operates on the principle of mutual induction, where two or more coils are wound on a common magnetic core.
When an alternating current flows through the p...
Himadri Speciality Chemical Interview Experiences
23 interviews found
Anonymous
Selected
I applied via Approached by Company and was interviewed in Dec 2024. There was 1 interview round.
(2 Questions)
- Q1. Only some personal questions
- Q2. About my current salary.
Interview Preparation Tips
Arup Kumar Dhara
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. Questions about on my working field.
- Q2. Gear boxes alignment process..
- Q3. Gearbox problem discuss
Interview Preparation Tips
I applied via Campus Placement
(4 Questions)
- Q1. What is relay & circuit breaker & how does it work?
- Ans.
A relay is an electrically operated switch that uses an electromagnet to control the flow of current in a circuit. A circuit breaker is a device that automatically interrupts the flow of current in a circuit when it detects an overload or short circuit.
Relay is an electrically operated switch
It uses an electromagnet to control the flow of current
Circuit breaker automatically interrupts current flow in case of overload ...
- Q2. Principle of transformer & induction machines.
- Ans.
The principle of transformer is based on electromagnetic induction, where a changing magnetic field induces a voltage in a coil. Induction machines work on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
Transformer operates on the principle of mutual induction, where two or more coils are wound on a common magnetic core.
When an alternating current flows through the primar...
- Q3. Difference between generator & alternator
- Ans.
Generators and alternators are both electrical devices that convert mechanical energy into electrical energy, but they differ in their construction and working principles.
Generators produce direct current (DC) while alternators produce alternating current (AC).
Generators use a commutator and brushes to convert mechanical energy into electrical energy, while alternators use slip rings and brushes.
Generators are typicall...
- Q4. Losses of transformer
- Ans.
Losses in a transformer include copper losses and iron losses.
Copper losses occur due to the resistance of the transformer windings.
Iron losses, also known as core losses, occur due to hysteresis and eddy currents in the transformer core.
Copper losses can be minimized by using larger conductor sizes and reducing the winding resistance.
Iron losses can be reduced by using high-quality magnetic materials and minimizing th...
Interview Preparation Tips
- Electrical Machines
- Power System
- Switchgear & protection
Selected
I appeared for an interview in Sep 2024.
(2 Questions)
- Q1. What is the machine capacity?
- Ans.
The machine capacity refers to the maximum amount of work or output that a machine can handle within a given time frame.
Machine capacity can be measured in terms of units produced per hour, pieces processed per minute, or any other relevant metric.
Factors that can affect machine capacity include machine speed, efficiency, maintenance, and downtime.
For example, a CNC machine may have a capacity of producing 100 units pe...
- Q2. Mhe requirement
I applied via Campus Placement and was interviewed in Jan 2024. There was 1 interview round.
(3 Questions)
- Q1. What should we do for safety during work, what is unit operation,what is the full form of AI
- Ans.
Safety at work is crucial; unit operations are fundamental processes, and AI stands for Artificial Intelligence.
Implement safety protocols like wearing PPE (Personal Protective Equipment) to prevent injuries.
Conduct regular safety training sessions to keep all employees informed about hazards.
Use proper signage to indicate hazardous areas and ensure clear communication.
Perform risk assessments to identify potential dan...
- Q2. Nnfggjj byoknbdh hrijbv jjiff
- Q3. Jjj hiohfejojn hgsiknbd hjoiffvb
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. Why a bird does not get shock when it sits on live wire?
- Ans.
Birds do not get shocked when sitting on live wires due to the principle of equipotentiality.
Birds do not complete the circuit as they are not grounded
Birds have a high resistance to electricity due to their body structure
Electricity follows the path of least resistance, which is the wire rather than the bird
- Q2. Different between oil circuit breaker and air circuit breaker?
- Ans.
Oil circuit breakers use oil as an arc extinguishing medium, while air circuit breakers use compressed air.
Oil circuit breakers use oil as an arc extinguishing medium, while air circuit breakers use compressed air.
Oil circuit breakers are typically used for high voltage applications, while air circuit breakers are more common in low to medium voltage applications.
Oil circuit breakers require regular maintenance to ensu...
Anandamoy Ghorui
Selected
I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
(3 Questions)
- Q1. Basic Fundamental level
- Q2. Level measurement?
- Q3. Flow measurement and calculation.
(1 Question)
- Q1. Distributed Control and Filed Instrument
Interview Preparation Tips
Selected
I appeared for an interview before Jun 2024, where I was asked the following questions.
- Q1. Any Pump question
- Q2. Any safety attendant
- Q3. 5S work, degender enquiry, and tricanter enquiry
- Q4. Bearing type, compressor, gear pump
- Q5. Mechanical seal, gearbox
- Q6. Convare, glass reactor
(2 Questions)
- Q1. What is Mooney viscosity
- Ans.
Mooney viscosity is a measure of the viscosity of rubber compounds under shear.
Mooney viscosity is commonly used in the rubber industry to assess the processability of rubber compounds.
It is measured using a Mooney viscometer, which applies shear stress to the rubber sample and measures its resistance to flow.
Higher Mooney viscosity values indicate higher viscosity and more resistance to flow, which can affect the proc...
- Q2. What is lumpy sg mv
- Ans.
Lumpy sg mv is not a recognized term or acronym in any field.
There is no known meaning or context for the term 'lumpy sg mv'.
It is possible that the question may have been a mistake or typo.
Without further information or context, it is impossible to provide a meaningful answer.
(1 Question)
- Q1. About your previous working exposure
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Himadri Speciality Chemical Interview FAQs
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Assistant Manager
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Junior Engineer
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