“ROUGH ROAD”
You are driving down the highway when you see this sign. What is its
meaning?
The road ahead is not for the soft of heart.
The road surface ahead is in poor condition. Slow down.
The road surface ahead is only for 4-wheel drive vehicles.
The road ahead is for large vehicles. If you're in one, speed up.

A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.