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There are several types of gears, including spur, helical, bevel, worm, rack and pinion, and planetary gears.
Spur gears are the most common type and have straight teeth.
Helical gears have angled teeth and produce less noise and vibration than spur gears.
Bevel gears are used to transmit power between shafts that are at an angle to each other.
Worm gears are used for high reduction ratios and have a screw-like appearance.
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The 5 types of gears mostly used in RM are spur, helical, bevel, worm, and planetary gears.
Spur gears have straight teeth and are used for low-speed applications.
Helical gears have angled teeth and are used for high-speed applications.
Bevel gears have cone-shaped teeth and are used for changing the direction of power transmission.
Worm gears have a screw-like structure and are used for high reduction ratios.
Planetary ge...
I applied via Referral and was interviewed before Mar 2023. There were 3 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Apr 2022. There were 2 interview rounds.
As a mechanical engineer, my role involves designing, analyzing, and maintaining mechanical systems and equipment.
A pump is a mechanical device used to move fluids from one place to another.
A casting machine is used to create metal parts by pouring molten metal into a mold.
A compressor is a machine that increases the pressure of a gas by reducing its volume.
As a mechanical engineer, I would be responsible for selecting...
Withdrawal unit is used to remove a component or product from a system or process.
Withdrawal unit is used in manufacturing processes to remove finished products from the production line.
It can also be used in chemical processes to remove a specific component from a mixture.
Withdrawal units can be automated or manual depending on the process requirements.
They are designed to ensure safe and efficient removal of componen...
posted on 19 Mar 2024
I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.
7QC tools are quality control tools used to identify and solve quality-related issues. MTTR stands for Mean Time To Repair, MTBF stands for Mean Time Between Failures.
7QC tools include Pareto analysis, cause-and-effect diagram, scatter diagram, etc.
MTTR is the average time taken to repair a failed component or system.
MTBF is the average time between failures of a component or system.
Types of breakdowns can include mech...
I applied via Referral and was interviewed before Mar 2022. There were 3 interview rounds.
I appeared for an interview in Jul 2023.
I appeared for an interview in Oct 2024.
Concrete mix refers to the combination of ingredients used to create concrete, including cement, aggregates, water, and admixtures.
Concrete mix typically consists of cement, aggregates (such as sand and gravel), water, and sometimes admixtures.
The ratio of these ingredients can vary depending on the desired strength, workability, and durability of the concrete.
For example, a common concrete mix for general use is 1 par...
Retarder in concrete mix is a chemical additive used to slow down the setting time of concrete.
Retarders help in preventing the concrete from setting too quickly, allowing more time for placement and finishing.
They are commonly used in hot weather conditions to prevent premature setting.
Examples of retarders include lignosulfonates, sugars, and citric acid.
I applied via Naukri.com and was interviewed in Aug 2021. There were 2 interview rounds.
Otto cycle is used in gasoline engines and Diesel cycle is used in diesel engines.
Otto cycle is a constant volume cycle used in gasoline engines.
Diesel cycle is a constant pressure cycle used in diesel engines.
Otto cycle has a higher compression ratio compared to Diesel cycle.
Otto cycle has a spark plug for ignition while Diesel cycle uses compression ignition.
Both cycles involve four processes: intake, compression, po
Stress is the force applied to a material, while strain is the resulting deformation or change in shape.
Stress is a measure of the internal forces within a material, while strain is the measure of the deformation or change in shape.
Stress is typically measured in units of force per unit area (such as N/m^2 or Pa), while strain is a dimensionless quantity.
Stress can cause a material to deform or break, while strain is t...
There are two main types of Ramming mass: acidic and basic.
Acidic Ramming Mass: used for lining induction furnaces and arc furnaces.
Basic Ramming Mass: used for lining steel ladles and EAF (Electric Arc Furnace).
There are several types of steel, each with different properties and uses. The percentage of steel in a particular alloy can vary.
Types of steel include carbon steel, alloy steel, stainless steel, tool steel, and high-speed steel.
The percentage of steel in an alloy can range from as low as 0.2% to as high as 2.1% depending on the type of steel and its intended use.
For example, carbon steel typically contains around 0.2...
First law states energy cannot be created or destroyed, second law states entropy always increases, third law states entropy approaches zero at absolute zero.
First Law: Energy cannot be created or destroyed, only transferred or converted. Example: A car engine converts fuel into mechanical energy.
Second Law: Entropy of an isolated system always increases over time. Example: Heat always flows from hot to cold objects.
Th...
posted on 10 Jun 2023
Wire manufacturing processes include drawing, annealing, stranding, and insulation.
Wire manufacturing starts with the drawing process, where a metal rod is pulled through a series of dies to reduce its diameter.
Annealing is then performed to relieve stress and improve the wire's ductility.
Stranding involves twisting multiple wires together to form a cable or conductor.
Insulation is applied to protect the wire and provi...
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