in., and N the number of effective strokes per minute, namely, one for each revolution of the crank shaft if the engine is single-acting, but twice as many if it is double-acting.
single-acting, piston-type cylinder uses fluid pressure to apply force in one direction.
A single-acting, piston-type cylinder uses fluid pressure to apply force in one direction.
If you mixed two parts of cream of tartar to one art of baking soda, you would have a rudimentary single acting baking powder.
Double acting baking powders will have additional acids added that will react with heat and add rise to your product as it cooks while single acting adds all its rise before cooking.
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