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Types of gears include spur, helical, bevel, worm, rack and pinion, and planetary gears.
Spur gears have straight teeth and are the most common type.
Helical gears have angled teeth for smoother operation.
Bevel gears have cone-shaped teeth and are used to change the direction of rotation.
Worm gears have a screw-like appearance and provide high gear reduction ratios.
Rack and pinion gears convert rotational motion into lin...
Thermodynamics laws govern energy transfer and transformation in physical systems.
First Law of Thermodynamics: Energy cannot be created or destroyed, only transferred or converted.
Second Law of Thermodynamics: Entropy in a closed system will always increase over time.
Third Law of Thermodynamics: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.
Examples: A car engine converting...
Stress-strain diagram shows the relationship between stress applied to a material and the resulting strain.
It is a graphical representation of how a material deforms under stress.
The diagram typically shows a linear elastic region, a yield point, plastic deformation, and ultimate failure.
The slope of the linear region is the material's Young's Modulus.
The area under the stress-strain curve represents the material's tou...
Knocking is the unwanted sound produced in an internal combustion engine due to improper combustion of the air-fuel mixture.
Knocking occurs when the air-fuel mixture ignites spontaneously before the spark plug fires.
It can lead to engine damage if not addressed promptly.
Knocking can be caused by factors such as low octane fuel, incorrect ignition timing, or carbon deposits in the combustion chamber.
Carbon is a key element in steel, affecting its strength, hardness, and other properties.
Carbon content in steel typically ranges from 0.2% to 2.1%.
Higher carbon content results in harder and stronger steel.
Low carbon steel (0.05-0.30% carbon) is more ductile and easily weldable.
High carbon steel (0.60-2.0% carbon) is more brittle and used for cutting tools.
Carbon steel is widely used in construction, automotive, and m
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posted on 12 Dec 2024
I applied via Naukri.com and was interviewed in Nov 2024. There were 4 interview rounds.
I worked on a project to optimize production processes by implementing automation and improving efficiency.
Implemented automation systems to streamline production processes
Analyzed data to identify bottlenecks and inefficiencies
Collaborated with cross-functional teams to implement solutions
Improved production output by 20% within 6 months
The stress-strain diagram for R15 material shows the relationship between stress and strain for that specific material.
The stress-strain diagram typically consists of a linear elastic region, a yield point, plastic deformation, and ultimate failure.
R15 material may exhibit different characteristics compared to other materials, so the specific diagram would show its unique behavior.
The diagram helps engineers understand...
Tolerance refers to the allowable deviation from a specified dimension or value in engineering.
Tolerance is important in manufacturing to ensure that parts fit together properly.
It is typically specified as a range, such as +/- 0.1mm.
Tolerance can be applied to dimensions, angles, surface finishes, and other characteristics.
For example, a hole may have a tolerance of +/- 0.05mm to allow for variations in the drilling p
A portrait engine diesel engine is a type of internal combustion engine with a capacity typically ranging from 1.5L to 3.0L and a compression ratio of around 16:1.
Portrait engine diesel engines are commonly used in passenger cars and light-duty trucks.
They are known for their fuel efficiency and torque output.
Examples of portrait engine diesel engines include the Ford EcoBlue 2.0L and the Volkswagen TDI 1.6L.
The high c...
Basic questions, profit loss
Environment. Women empowerment smart work it is the topics of the GD.
Basic codes. Basic in changing coding like adding subtraction loops etc.
posted on 27 Nov 2024
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
Aptitude and Core Related ( Mine was metallurgy )
10 students in a group, 30 minutes duration, unstructured, topic was " pros and cons of WFH"
posted on 30 Oct 2024
It was easy and time based
posted on 18 Mar 2024
I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.
Pumps are used to move fluids, while blowers are used to move gases.
Pumps are used to increase the pressure of liquids, while blowers are used to increase the pressure of gases.
Pumps are typically used in applications such as water supply, irrigation, and sewage systems.
Blowers are commonly used in applications like ventilation systems, pneumatic conveying, and combustion processes.
Milling machine is used to remove material from a workpiece by feeding the workpiece against a rotating cutter. Lathe machine is used to rotate the workpiece against a cutting tool to remove material.
Milling machine uses a rotating cutter to remove material, while lathe machine uses a cutting tool that moves across the workpiece.
Milling machine is typically used for cutting flat surfaces, slots, and grooves, while lath...
I applied via campus placement at National Institute of Technology (NIT), Durgapur and was interviewed in Nov 2023. There were 2 interview rounds.
posted on 1 Apr 2024
I applied via campus placement at Heritage Institute of Technology, Kolkata and was interviewed in Oct 2023. There was 1 interview round.
Stress is internal resistance to deformation, while pressure is force applied over an area. Strength is the ability to withstand stress, and process refers to a series of actions or steps.
Stress is the internal resistance to deformation in a material, measured in force per unit area (e.g. N/m^2 or Pa).
Pressure is the force applied perpendicular to the surface of an object, measured in force per unit area (e.g. N/m^2 or...
posted on 10 Jul 2023
I applied via Walk-in and was interviewed in Jan 2023. There were 7 interview rounds.
On women employment and empowerment to know women can do anything and can do job in anywhere
Good knowledge and understanding
posted on 12 Sep 2023
I applied via Campus Placement and was interviewed in Mar 2023. There were 4 interview rounds.
Aptitude test is about general knowledge and mechanical subjects
I applied via Campus Placement and was interviewed before Nov 2022. There were 3 interview rounds.
Assistant Engineer
150
salaries
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Senior Engineer
115
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Engineer
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Assistant Manager
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Junior Engineer
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