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The Indian Standard (IS) code for earthing is IS 3043:2018.
It is titled “Code of Practice for Earthing” and provides guidelines and recommendations for the design, installation, testing, and maintenance of earthing systems for electrical installations in India.
The code covers various aspects of earthing, including types of earthing systems, selection of earthing materials, calculation of earth resistance, and safety considerations.
It aims to ensure the safe and effective earthing of electrical installations to protect people, equipment, and property from electrical faults and lightning.

Distance between pipe earth should be minimum 5 mtr & and for plate earth it should be 8 mtr .

The distributor’s function is to route secondary current from the ignition coil to the spark plugs in the correct firing order.
And also for the correct amount of time.

Otto cycle is a gas power cycle that is used in SI engines ( petrol engines).
An Otto cycle consists of four processes:
Two isentropic (reversible adiabatic) processes,
Two isochoric (constant volume) processes.

Diesel engines produce higher torque at low speeds, works in higher compression ratios. So it is suitable for heavy loads.

Atomisation is a process of breaking bulk liquids into small fine droplets.
The component of fuel injection system which atomizes fuel is injection nozzle.

2 revolution = 1 power stroke
1200 revolution = 600 power stroke /minute = 10 power stroke/s

Open cycle gas turbine – Brayton cycle.
Closed cycle – Rankine cycle.
Open-cycle gas turbines (OCGTs) are the simplest application of gas combustion for power/electricity generation.

Cam shaft rotates at half the speed of crank shaft

A stroke refers to the full travel of the piston along the cylinder, in either direction.

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