Repeat Prob. 3–138 for a pressure gage reading of 280 kPa.

ANSWER:

For the gauge pressure of 280 kPa, the calculations will be same as before. The calculation is given below, but the gauge pressure has changed.

Step 1:-

The pressure gauge reads, 280 kPa.

Specific gravity of oil is 0.79.

Specific gravity of gasoline is 0.70.

Specific gravity of mercury is 13.6.

The density of water is, .