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The specific gravity of seawater is 1.025. If the barometric pressure is 75.0 cm Hg, determine the pressure of an object submerged 40 m below sea level.
A pressure gauge connected to a tank reads 380 kPa while the barometer reads 745 mm Hg. What is the absolute pressure in the tank?
A vacuum gauge reads 60.2 cm Hg. Determine the absolute pressure in kPa if the barometer reads 75.7 cm Hg.
A vacuum gauge reads 60.2 cm Hg. Determine the absolute pressure in kPa if the barometer reads 75.7 cm Hg.
The density of a gas is 0.28 1b/ft. What volume does 12.0 lbs of the gas occupy? What is the specific volume of the gas?
The specific volume of a gas is 1.5 m³/kg. What volume does 7.5 kg of the gas occupy? What is the density of the gas?

In a certain gas system,the pressure remains constant at 150 kpa even though 1000J of heat is added. The volume change is 1.8L. how much does the internal energy in joules of the system change.


A blower handles 1 kg/s of air at 20 degree cel and consumes a power of 15 kW. The inlet and outlet velocities of air are 100 m/s and 150 m/s respectively. Find the exit air temperature, assuming adiabatic conditions. Take cp of air i 1.005 kJ/kg K

Steam expands steadily at a constant temperature. The flow rate is 13.6 kg/min with an inlet state of wet steam (water) at 80% quality to a final state of 700C and 2.5 MPa.  The change of kinetic energy across the device is 3.5 kJ/kg, and the heat added is 21.81 kW. Determine (a) the enthalpy of conditions 1 &2, (b) the heat transfer in kJ/kg, (c) the work, and (d) the system power.


If talking about the mixing of hot water and cold water where the cold water lowers the temperature of hot water, hence making it cold, water law would we call it?
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