Yamaha Motor
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I applied via Campus Placement and was interviewed in Jun 2022. There were 2 interview rounds.
The types of materials used in engines vary depending on the specific engine type and its components.
Engines can be made of various materials such as cast iron, aluminum, steel, and alloys.
Different engine parts may require different materials, for example, pistons are often made of aluminum alloy.
Engine components like cylinder heads, crankshafts, and connecting rods can be made of cast iron or steel.
Some engines may ...
I applied via Campus Placement and was interviewed before Mar 2020. There were 5 interview rounds.
Moulding is a manufacturing process of shaping liquid or pliable raw material using a rigid frame called a mold.
Types of moulding: injection moulding, blow moulding, compression moulding, rotational moulding, etc.
Forging is a manufacturing process of shaping metal using compressive forces.
LPDC stands for Low Pressure Die Casting, a casting process for producing metal parts.
Materials used for moulding: plastic, rubber,
There are three types of heat transfer: conduction, convection, and radiation.
Conduction is the transfer of heat through direct contact between solids.
Convection is the transfer of heat through the movement of fluids (liquids or gases).
Radiation is the transfer of heat through electromagnetic waves.
Examples: Conduction - touching a hot stove; Convection - boiling water; Radiation - feeling the warmth of the sun.
A boiler is a closed vessel used to generate steam or hot water for heating purposes. There are various types of boilers.
Boilers are used in industries, power plants, and residential buildings.
Types of boilers include fire-tube, water-tube, electric, and biomass boilers.
Boilers can be fueled by coal, oil, gas, or renewable energy sources.
Boilers require regular maintenance to ensure safety and efficiency.
Boiler efficie...
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posted on 22 Oct 2020
Mechanical engineering is a branch of engineering that deals with the design, manufacturing, and maintenance of mechanical systems.
It involves the study of mechanics, thermodynamics, and materials science.
Mechanical engineers design and develop machines, tools, and equipment.
They work in various industries such as automotive, aerospace, and manufacturing.
Examples of mechanical systems include engines, turbines, and rob...
G-codes are used in CNC machines to control the movement of the cutting tool. Here are 5 commonly used G-codes.
G00 - Rapid positioning
G01 - Linear interpolation
G02 - Circular interpolation (clockwise)
G03 - Circular interpolation (counterclockwise)
G28 - Return to home position
IC engine stands for Internal Combustion engine. It is a heat engine that converts chemical energy into mechanical energy.
IC engine is used in automobiles, generators, and other machinery.
It works by burning fuel inside a combustion chamber to create high-pressure gases that move a piston.
Examples of IC engines include gasoline engines, diesel engines, and natural gas engines.
posted on 18 Sep 2022
I applied via Campus Placement and was interviewed before Sep 2021. There were 2 interview rounds.
They asked questions on technical baground , mathematical, aptitute, reasoning, and
posted on 12 Aug 2021
I applied via Campus Placement and was interviewed before Aug 2020. There were 3 interview rounds.
posted on 9 Mar 2022
I applied via Approached by Company and was interviewed before Mar 2021. There were 2 interview rounds.
Two stroke engines complete a power cycle in one revolution, while four stroke engines complete it in two revolutions.
Two stroke engines have a simpler design and are lighter than four stroke engines.
Four stroke engines are more fuel-efficient and produce less emissions than two stroke engines.
Two stroke engines are commonly used in small power tools and motorcycles, while four stroke engines are used in cars and large...
Air is interned in the combustion chamber during the intake stroke.
During the intake stroke, the piston moves down and creates a vacuum that draws air into the combustion chamber.
The air is mixed with fuel and ignited during the compression stroke.
The resulting explosion pushes the piston down during the power stroke.
Finally, the piston moves up during the exhaust stroke to expel the spent gases.
This four-stroke cycle
posted on 9 Mar 2022
I applied via Approached by Company and was interviewed before Mar 2021. There were 2 interview rounds.
Two stroke engines complete a power cycle in one revolution, while four stroke engines complete it in two revolutions.
Two stroke engines have a simpler design and are lighter than four stroke engines.
Four stroke engines are more fuel-efficient and produce less pollution than two stroke engines.
Two stroke engines are commonly used in small power tools and motorcycles, while four stroke engines are used in cars and large...
Air is interned in the combustion chamber during the intake stroke.
During the intake stroke, the piston moves down and air is drawn into the combustion chamber.
This air is then mixed with fuel and ignited during the compression stroke.
The resulting explosion pushes the piston down, which drives the crankshaft and produces power.
The exhaust stroke then expels the spent gases from the combustion chamber.
This four-stroke ...
I applied via Campus Placement and was interviewed before Apr 2021. There was 1 interview round.
I applied via Walk-in and was interviewed before Jun 2021. There were 2 interview rounds.
Basic knowledge of Subjects in diploma
Four stroke engines have separate intake, compression, power, and exhaust strokes, while two stroke engines combine these strokes.
Four stroke engines have a longer cycle and require more parts than two stroke engines.
Four stroke engines are more fuel efficient and produce less pollution than two stroke engines.
Two stroke engines are simpler in design and have a higher power-to-weight ratio than four stroke engines.
Two ...
posted on 14 Jul 2023
I applied via Walk-in and was interviewed in Jan 2023. There were 3 interview rounds.
Automobile refers to a vehicle designed for transportation, typically powered by an internal combustion engine.
Automobiles are commonly used for personal transportation, as well as for commercial purposes.
They come in various types such as cars, trucks, buses, and motorcycles.
Automobiles have revolutionized transportation and have greatly impacted society and economy.
Examples of automobile manufacturers include Ford, T
Diesel engines use compression ignition while petrol engines use spark ignition.
Diesel engines compress air to ignite fuel, while petrol engines use spark plugs
Diesel engines are more fuel efficient but produce more emissions
Petrol engines are quieter and smoother than diesel engines
Diesel engines are commonly used in trucks and heavy machinery, while petrol engines are used in cars and motorcycles
The least count of a Vernier caliper is 0.02 mm and the least count of a micrometer is 0.01 mm.
Vernier caliper has a least count of 0.02 mm, which means it can measure up to 0.02 mm accuracy.
Micrometer has a least count of 0.01 mm, allowing for measurements with 0.01 mm precision.
Subtracting 3.45 from 9.23 gives the result of 5.78.
Subtract the second number from the first number
9.23 - 3.45 = 5.78
Some of the top questions asked at the Yamaha Motor Diploma Trainee Engineer interview -
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