An empty metal can is heated to 90c and sealed. it is then placed in a room to cool to 20c. what is the pressure inside the can upon cooling? assume that can contains air under ideal conditions
answer: the formula for amps is watts divided by volts. to use the chart, cover up the a with your finger and use the remaining chart calculation of w divided by v. using our sampl...Read More
There are three main types of elevators commonly used: traction with a machine room, machine-room-less traction, and hydraulic; however, there are variations on each type....Read More