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I = V/R
= 5V/10ohm = 0.5 A
I = v(P/R) = v(50 V/ 2A) = v25 A = 5 A
The cranking speed for starting a diesel engine is 100 rpm cold and 240 rpm hot.
Rivets are made of steel.
The distance between adjacent meshing teeth of mating gears is called backlash.
- The commonly used material for insulator of spark plug is alumina.
- Low carbon steel is used for shell
- A typical diesel automotive engine operates at around 30% to 35% of thermal efficiency.
- About 65-70% is rejected as waste heat without being converted into useful work, i.e., work delivered to wheels.
- The specific gravity of diesel is 0.83.
Parabolic reflector is used in automobile head lamp.
- A cotter pin is a simple fastener that’s used to secure a bolt in place.
- Consisting of a U-shaped piece of metal, it’s inserted through the hole of a bolt, after which the ends are twisted together.
- The cotter pin secures the bolt in place so that it’s less likely to loosen and come out.
Gasket is used to prevent leakage and entry of dust,water to oil.
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