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Recent questions tagged critical points
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A pressure cooker has the lid screwed on tight. A small opening with A = 0.0075 in^2 is covered with a petcock that can be lifted
asked
Apr 4, 2019
in
Physics
by
kratos
transient processes
thermal physics
jee
phase diagrams
thermodynamics
critical points
class-10
jee mains
gaseous state
+3
votes
1
answer
A steel tank contains 14 lbm of propane (liquid + vapor) at 70 F with a volume of 0.25 ft3. The tank is now slowly heated.
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Mar 30, 2019
in
Mathematics
by
kratos
liquids
solids
phase diagrams
thermodynamics
critical points
+2
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1
answer
Modern extraction techniques can be based on dissolving material in supercritical fluids such as carbon dioxide. How high
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Mar 19, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
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1
answer
A cylindrical jar without a lid has to be constructed using a given surface area of a metal sheet.
asked
Feb 25, 2019
in
Class 9
by
kratos
mensuration
surface areas and volumes of a circular cylinder
class-8
phase diagrams
thermodynamics
class-9
critical points
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1
answer
Determine the phase and the specific volume for ammonia
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Feb 24, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
+2
votes
1
answer
A 2-m^3 storage tank contains 95% liquid and 5% vapor by volume of liquified natural gas (LNG) at 160 K, It may be assumed
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Feb 23, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
transient processes
phase diagrams
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vote
1
answer
A water storage tank contains liquid and vapor in equilibrium at 110°C. The distance from the bottom of the tank
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Feb 22, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
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1
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A rigid tank of 1 m^3 contains nitrogen gas at 600 kPa, 400 K. By mistake someone lets 0.5 kg flow out. If the final temperature
asked
Feb 21, 2019
in
Mathematics
by
kratos
thermodynamics
phase diagrams
critical points
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vote
1
answer
Give the phase and the specific volume.
asked
Feb 20, 2019
in
Class 11
by
kratos
thermodynamics
class-11
critical points
phase diagrams
+3
votes
1
answer
Place the four states a-d listed as labeled dots in a sketch of the P-v and T-v diagrams
asked
Feb 20, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
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1
answer
What is the lowest temperature in Kelvins for which you can see metal as a liquid if the metal is a. silver b. coppe
asked
Feb 18, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
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1
answer
A spherical helium balloon of 30 ft in diameter is at ambient T and P, 60 F and 14.69 psia. How much helium does it contain?
asked
Feb 13, 2019
in
Mathematics
by
kratos
multiple devices
ideal gas
phase diagrams
thermodynamics
critical points
cycle processes
+2
votes
1
answer
Two tanks are connected A and B, both containing water. Tank A is at 200 kPa, v = 0.5 m^3/kg, VA = 1 m^3 and tank B contains 3.5 kg
asked
Feb 12, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
+3
votes
1
answer
Assume we have 3 states of saturated vapor R-134a at +40°C, 0 °C and -40°C. Calculate the specific volume at the set
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Feb 11, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
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vote
1
answer
Determine whether water at each of the following states is a compressed liquid, a superheated vapor,
asked
Feb 10, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
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votes
0
answers
What amount of heat must be supplied to 2.0 × 10^-2 kg of Nitrogen (at room temperature) to raise its temperature by 45°C
asked
Feb 10, 2019
in
Class 11
by
kratos
calorimetry
thermodynamic
class-11
phase diagrams
thermodynamics
critical points
class-10
icse
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votes
1
answer
A boiler feed pump delivers 100 ft^3/min of water at 400 F, 3000 lbf/in^2. What is the mass flowrate (lbm/*)?
asked
Feb 7, 2019
in
Mathematics
by
kratos
bernoulli
phase diagrams
thermodynamics
critical points
reversible shaft work
steady irreversible processes
+3
votes
1
answer
A spherical helium balloon of 10 m in diameter is at ambient T and P, 15°C and 100 kPa. How much helium does
asked
Feb 6, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
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vote
1
answer
A boiler feed pump delivers 0.05 m^3/* of water at 240°C, 20 MPa. What is the mass flowrate (kg/*)?
asked
Feb 2, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
phase diagrams
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vote
1
answer
Determine the missing property among P, T, *, x for the following states: a. Ammonia 25°C, v = 0.10 m^3/kg
asked
Jan 26, 2019
in
Mathematics
by
kratos
thermodynamics
critical points
entropy of a pure substance
phase diagrams
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