A rigid tank with volume of 8 m3 contains air gas. Initially, the air has p1 = 0.64 MPa and T1 = 47 °C in the tank. There is a valve on the top of the tank. Now the valve is opened to withdraw the air. The air mass flow rate through the valve is 0.032 kg/s. It is assumed that the air withdraws at 47 °C at the valve. Meanwhile, the tank is heated up with the heat transfer rate of 5.5757 kW. Air is considered as ideal gas. Gas constant of air is R = 0.287 kJ/kg·K. The kinetic and potential energy effects are negligible. Determine: After 10 minutes, the temperature T2 and pressure p2 of air in the tank.

answer:

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explanation:

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 sample panel data, 60 watts divided by 12 volts equals 5 amps.

explanation:

One of the benefits of working with chlorinated polyvinyl chloride (CPVC) pipe is that it can be cut with a variety of different tools that don’t require any electricity or heat. However, different cutting methods are preferred over others, depending on the application.

When cutting CPVC pipe, it is important to make a square, flat cut. An uneven cut limits the bonding area and weakens the fitting.

To help you make the best possible cut, we’ve put together the following dos and don’ts when cutting CPVC pipe in different situations.