Podcast
Questions and Answers
What is the work possess for a helium gas at 20°C?
What is the work possess for a helium gas at 20°C?
What type of gas is in the 1 m3 tank at 200 kPa and 88°C?
What type of gas is in the 1 m3 tank at 200 kPa and 88°C?
If the internal energy of Helium is 200 kJ/kg, what is its enthalpy?
If the internal energy of Helium is 200 kJ/kg, what is its enthalpy?
What is the mass of a 2 m3 propane at 280 kPa and 40°C?
What is the mass of a 2 m3 propane at 280 kPa and 40°C?
Signup and view all the answers
What is the air flow in ft3/min of mechanical ventilation required to exhaust an accumulation of refrigerant due to leaks of the system for a mass of 4 lbs refrigerant?
What is the air flow in ft3/min of mechanical ventilation required to exhaust an accumulation of refrigerant due to leaks of the system for a mass of 4 lbs refrigerant?
Signup and view all the answers
What is the free aperture cross section in m3 for the ventilation of a machinery room if the mass of refrigerant is 9 kg?
What is the free aperture cross section in m3 for the ventilation of a machinery room if the mass of refrigerant is 9 kg?
Signup and view all the answers
What is the hydraulic gradient of a 1 mile, 17 inches inside diameter pipe when 3300 gal/min of water flow with f = 0.03?
What is the hydraulic gradient of a 1 mile, 17 inches inside diameter pipe when 3300 gal/min of water flow with f = 0.03?
Signup and view all the answers
Find the loss of head in the pipe entrance if speed of flow is 10 m/s.
Find the loss of head in the pipe entrance if speed of flow is 10 m/s.
Signup and view all the answers
Wet material, containing 220% moisture (dry basis), is to be dried at a rate of 1.5 kg/s in a continuous dryer to give a product containing 10% (dry basis). Find the moisture removed in kg/hr.
Wet material, containing 220% moisture (dry basis), is to be dried at a rate of 1.5 kg/s in a continuous dryer to give a product containing 10% (dry basis). Find the moisture removed in kg/hr.
Signup and view all the answers
Copra enters a dryer containing 70% moisture and leaves 7% moisture. Find the moisture removed on each pound of solid in the final product.
Copra enters a dryer containing 70% moisture and leaves 7% moisture. Find the moisture removed on each pound of solid in the final product.
Signup and view all the answers
A 1 m x 1.5 m cylindrical tank is full of oil with SG = 0.92. Find the force acting at the bottom of the tank in dynes.
A 1 m x 1.5 m cylindrical tank is full of oil with SG = 0.92. Find the force acting at the bottom of the tank in dynes.
Signup and view all the answers
Find the pressure at the 100-fathom depth of water in kPa.
Find the pressure at the 100-fathom depth of water in kPa.
Signup and view all the answers
Find the mass of 10 quartz of water.
Find the mass of 10 quartz of water.
Signup and view all the answers
Find the mass of carbon dioxide having a pressure of 20 psia at 200°F with 10 ft3 volume.
Find the mass of carbon dioxide having a pressure of 20 psia at 200°F with 10 ft3 volume.
Signup and view all the answers
Find the heat needed to raise the temperature of water from 30°C to 100°C with 60% quality.
Find the heat needed to raise the temperature of water from 30°C to 100°C with 60% quality.
Signup and view all the answers
Find the enthalpy of water at 212°F and 14.7 psi if the dryness factor is 30%.
Find the enthalpy of water at 212°F and 14.7 psi if the dryness factor is 30%.
Signup and view all the answers
Study Notes
Thermodynamic Properties
- The work possess for a helium gas at 20°C is unknown.
- A 1 m3 tank at 200 kPa and 88°C contains an unknown type of gas.
Internal Energy and Enthalpy
- The internal energy of Helium is 200 kJ/kg.
- The enthalpy of Helium is unknown.
Mass of Gases
- The mass of a 2 m3 propane at 280 kPa and 40°C is unknown.
- The mass of carbon dioxide having a pressure of 20 psia at 200°F with 10 ft3 volume is unknown.
Ventilation and Flow Rate
- The air flow in ft3/min of mechanical ventilation required to exhaust an accumulation of refrigerant due to leaks of the system for a mass of 4 lbs refrigerant is unknown.
- The free aperture cross section in m3 for the ventilation of a machinery room if the mass of refrigerant is 9 kg is unknown.
Pipe Flow
- The hydraulic gradient of a 1 mile, 17 inches inside diameter pipe when 3300 gal/min of water flow with f = 0.03 is unknown.
- The loss of head in the pipe entrance if speed of flow is 10 m/s is unknown.
Drying
- Wet material, containing 220% moisture (dry basis), is to be dried at a rate of 1.5 kg/s in a continuous dryer to give a product containing 10% (dry basis).
- Moisture removed in kg/hr is unknown.
- Copra enters a dryer containing 70% moisture and leaves 7% moisture.
- Moisture removed on each pound of solid in the final product is unknown.
Forces and Pressures
- A 1 m x 1.5 m cylindrical tank is full of oil with SG = 0.92.
- The force acting at the bottom of the tank in dynes is unknown.
- Pressure at the 100-fathom depth of water in kPa is unknown.
Mass and Volume
- The mass of 10 quartz of water is unknown.
- The mass of carbon dioxide having a pressure of 20 psia at 200°F with 10 ft3 volume is unknown.
Heat and Enthalpy
- The heat needed to raise the temperature of water from 30°C to 100°C with 60% quality is unknown.
- The enthalpy of water at 212°F and 14.7 psi if the dryness factor is 30% is unknown.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge of gas properties and calculations with this quiz. Answer questions about work, gas types, enthalpy, and mass calculations for different gases at various conditions.