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I applied via Walk-in and was interviewed before Nov 2022. There were 2 interview rounds.
Types of gearboxes include spur, helical, bevel, worm, planetary, and cycloidal.
Spur gearbox: simple and efficient, used in low-speed applications
Helical gearbox: smoother operation, higher load capacity
Bevel gearbox: used for right angle drives
Worm gearbox: high reduction ratios, self-locking feature
Planetary gearbox: compact design, high torque transmission
Cycloidal gearbox: high shock load capacity, low backlash
Tensioning involves stretching a fastener to a specific load, while torqueing involves tightening a fastener to a specific torque value.
Tensioning is typically used for critical applications where precise load control is required.
Torqueing is more commonly used in general applications where a specific torque value is sufficient.
Tensioning is often used in applications like bolted joints in bridges or aircraft structure...
The main reason for gearbox failure is lack of lubrication, leading to increased friction and wear.
Lack of proper lubrication causing increased friction
Contamination of lubricant with dirt or debris
Overloading the gearbox beyond its capacity
Improper maintenance and servicing
Manufacturing defects or poor quality materials
Incorrect alignment of gears
Two stroke engines have power strokes every revolution, while four stroke engines have power strokes every other revolution.
Two stroke engines have a simpler design with fewer moving parts compared to four stroke engines
Two stroke engines require a fuel-oil mixture for lubrication, while four stroke engines have a separate oil reservoir
Two stroke engines produce more pollution due to incomplete combustion, while four s...
Wind Turbine Generators (WTG) generate electricity through the conversion of wind energy into mechanical energy and then into electrical energy.
Wind turns the blades of the turbine
Blades are connected to a rotor
Rotor spins a generator to produce electricity
Electricity is then sent to a transformer for distribution
Example: Vestas V164-9.5 MW wind turbine
Fluid couplings are used to transmit power from one shaft to another without direct physical contact, allowing for smooth start-ups and overload protection.
Fluid couplings help in gradual acceleration of heavy machinery, reducing stress on the equipment
They provide overload protection by slipping when the torque exceeds a certain limit
Fluid couplings dampen torsional vibrations, reducing wear and tear on the machinery
T...
Gear boxes are used to transmit power from one component to another while changing the speed and torque of the output.
Gear boxes allow for speed and torque conversion between input and output shafts
They provide mechanical advantage by increasing or decreasing speed and torque
Used in various applications such as automobiles, industrial machinery, and power transmission systems
Yes, generator alignment is crucial for efficient operation and preventing damage.
Generator alignment ensures that the rotating parts are properly positioned to prevent vibration and wear
Improper alignment can lead to increased maintenance costs and reduced efficiency
Alignment methods include laser alignment, dial indicators, and alignment jigs
Regular alignment checks should be performed to ensure optimal performance
Ex...
Various types of gears can be used in a gearbox depending on the application, such as spur gears, helical gears, bevel gears, and worm gears.
Spur gears are commonly used in applications where simplicity and cost-effectiveness are important.
Helical gears are used when smooth and quiet operation is required.
Bevel gears are used to transmit motion between intersecting shafts.
Worm gears are used for high reduction ratios a...
Aviation lamps are used in wind turbine generators (WTG) for aircraft safety and navigation purposes.
Aviation lamps help to make the wind turbine visible to aircrafts, reducing the risk of collisions.
They also aid in navigation by marking the location of the wind turbine for pilots.
The use of aviation lamps is a regulatory requirement to ensure air traffic safety around wind turbines.
Different colors of aviation lamps ...
I applied via Walk-in and was interviewed in Apr 2022. There were 3 interview rounds.
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posted on 4 May 2023
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
I applied via Walk-in and was interviewed before Feb 2023. There was 1 interview round.
I applied via Walk-in and was interviewed before Mar 2022. There were 2 interview rounds.
posted on 13 Oct 2022
WTG stands for Wind Turbine Generator. Yaw drive system is responsible for orienting the turbine blades into the wind.
WTG converts wind energy into electrical energy
Yaw drive system rotates the nacelle to face the wind
Yaw drive system consists of yaw motor, yaw brake, and yaw bearing
Yaw motor receives signals from the controller to rotate the nacelle
Yaw brake holds the nacelle in position during maintenance or high win
posted on 1 Mar 2022
I applied via Referral and was interviewed in Feb 2022. There were 2 interview rounds.
Basic information about simens gamesa under knowledge
posted on 23 Feb 2024
Plant load factor is a measure of the actual output of a power plant compared to its maximum possible output.
Plant load factor is calculated by dividing the actual energy generated by the plant over a specific period by the maximum possible energy that could have been generated during the same period.
It is expressed as a percentage and indicates how efficiently a power plant is being utilized.
A high plant load factor i...
Machine availability is the percentage of time a machine is able to be used for its intended purpose.
Machine availability is calculated by dividing the total operating time by the total time in a given period, then multiplying by 100.
For example, if a machine operates for 800 hours in a month and there are 1000 total possible operating hours, the availability would be 80%.
Factors like downtime, maintenance, and repairs
I applied via Walk-in and was interviewed in Feb 2022. There were 2 interview rounds.
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