Industrial Arithmetic

acres amount amperes average base belt bricks building cells cent circle coil conductors contains corn cost crank pin cube cubic feet cylinder diameter difference distance divided driving wheels dynamo engine equal factor feet FIGURE Find floor flux foot force fraction frequency fulcrum gear given gives grade head heat horsepower indicated iron lamps length lever lines load locomotive loss magnetic Measure miles per hour milk minute motor moving multiplied ohms piece piston pitch placed pounds pressure primary PROBLEMS produce pull pulley raise ratio resistance running secondary side single speed square feet square inch square root steam stroke surface teeth temperature thick tons tractive force train transformer turbine turns units valve volts wall watts weight wide width wire