Primary machines are those that can turn heat into work. There are cycles that describe these functions, including Otto, Diesel and Carnot, about these cycles, describe each one and compare in terms of working temperature, volume and pressure in their operations.

What precautions should you take to prevent injuries when dealing with heavy loads?

On a average work day more than work place firs are reorted

At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.