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Case study rotational dynamics
Gravitational force acts vertically downwards due to the Earth's mass and shape.
Gravitational force is a result of the Earth's mass and shape creating a gravitational field.
The force acts towards the center of the Earth, which is why it is vertically downwards.
This force is what keeps objects on the Earth's surface and causes objects to fall towards it.
The strength of the force depends on the mass of the objects and th...
Practical units of power include watt, horsepower, and BTU/hour.
Watt is the SI unit of power and is commonly used in electrical applications.
Horsepower is used to measure the power of engines and motors.
BTU/hour is used to measure the heating or cooling capacity of air conditioning systems.
Other units include kilowatt, megawatt, and gigawatt.
The man is able to lift maximum load of his mass 10 kg due to his physical strength and training.
The man may have developed strong muscles through weightlifting or other forms of exercise.
He may have proper technique and form when lifting the load.
The load may be positioned in a way that allows for easier lifting.
The man may have a mechanical advantage, such as using a pulley system.
The load may be distributed in a way...
I applied via Job Portal and was interviewed in Feb 2023. There were 2 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Mar 2022. There were 2 interview rounds.
Relay is an electrical device that opens or closes a circuit by the application of a signal.
Relays are used to control high voltage circuits with low voltage signals.
They are used in power systems to protect equipment from damage.
Relays can also be used in automation systems to control processes.
Examples of relays include electromagnetic relays, solid-state relays, and thermal relays.
Transformers and motors are devices used to convert and utilize electrical energy, while renewable energy sources are natural resources that can be replenished.
Transformers are devices that transfer electrical energy between two or more circuits through electromagnetic induction
Motors are devices that convert electrical energy into mechanical energy to perform work
Renewable energy sources are natural resources such as ...
I applied via Recruitment Consulltant and was interviewed before Oct 2022. There were 2 interview rounds.
Parameters of transmission line include resistance, inductance, capacitance, and conductance.
Resistance: opposition to the flow of current
Inductance: ability to store energy in a magnetic field
Capacitance: ability to store energy in an electric field
Conductance: ability to conduct electric current
Examples: coaxial cable, waveguide, twisted pair cable
Hysteresis curve is a graphical representation of the relationship between magnetic field strength and magnetization of a material.
It shows the lag between the magnetic field and the magnetization of a material.
It is used to study the magnetic properties of materials.
It is commonly used in the design of magnetic circuits and devices.
Examples include transformer cores, magnetic storage devices, and electric motors.
The s...
We use step-up transformers to reduce power loss during transmission by increasing voltage and decreasing current.
Step-up transformers increase voltage and decrease current, which reduces power loss during transmission.
This is because power loss is proportional to the square of the current, so reducing current reduces power loss.
For example, power is transmitted over long distances at high voltages (e.g. 500 kV) to red...
Power factor is the ratio of real power to apparent power in an AC circuit.
Power factor is a measure of how efficiently electrical power is being used.
It ranges from 0 to 1, with 1 being the most efficient.
A low power factor can result in higher energy costs and equipment damage.
Capacitors can be used to improve power factor.
Power factor is important in industries where large amounts of electrical power are used.
posted on 5 Feb 2015
posted on 5 Feb 2015
posted on 5 Feb 2015
posted on 14 Jan 2015
Earthquake effects on structures and design process, including Richter scale and other scales.
Earthquakes can cause various effects on structures, such as shaking, ground rupture, and liquefaction.
The design process for structures takes into account the potential seismic forces and aims to ensure safety.
The Richter scale is a logarithmic scale used to measure the magnitude of an earthquake.
Other scales used for earthqu...
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