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A mechanical tach will register 1 engine hour for every 100,000 revolutions. At 1666.6 rpm it will register 1 hour for every hour run. At 800 rpm it will take two hours of run time to register an hour.
In my opinion this was a more accurate method of measuring engine wear but is rarely used any more.
10 hours on the tach means your piston went up and down 1 million times.
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What is the definition of joule?
A joule is a unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.
How many cm in a meter show the work?
100 centimeters in one meter.
Unit for measuring work?
(any unit of force) times (any unit of distance) is a unit of work and energy. (any unit of power) times (any unit of time) is too. newton-meter foot-pound watt-second joule kilowatt-hour BTU calorie horsepower-hour inch-ounce ton-furlong
How do the meaning of work and joule differ?
Work is the exertion of force overcoming resistance or producing molecular change. Joule is the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour. Joules measure work.
Is the kilometer in the SI unit?
kilometer or meter. Either will work.
