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Recent questions tagged heaters coolers
+2
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1
answer
Carbon dioxide gas enters a steady-state, steady-flow heater at 45 lbf/in.^2 60 F, and exits at 40 lbf/in.^2, 1800 F.
asked
Mar 5, 2019
in
Mathematics
by
kratos
bernoulli
thermodynamics
single flow devices
reversible shaft work
heaters coolers
+1
vote
1
answer
Determine the size of a spherical balloon filled with hydrogen at 30°C and atmospheric pressure for lifting 400Kg payload
asked
Mar 3, 2019
in
Class 12
by
kratos
neet
class-11
aiims
thermodynamics
heaters coolers
states of matter
+2
votes
1
answer
A flow of liquid glycerine flows around an engine, cooling it as it absorbs energy. The glycerine enters the engine at 60°C
asked
Feb 20, 2019
in
Mathematics
by
kratos
thermodynamics
single flow devices
heaters coolers
+1
vote
1
answer
Why are most of the compressed liquid or solid regions not included in the printed tables?
asked
Feb 19, 2019
in
Class 10
by
kratos
entropy of a pure substance
thermodynamics
single flow devices
class-10
heaters coolers
database concepts
+2
votes
1
answer
In a boiler you vaporize some liquid water at 100 kPa flowing at 1 m/*. What is the velocity of the saturated vapor at 100 kPa if the pipe size
asked
Dec 5, 2018
in
Mathematics
by
kratos
thermodynamics
reversible processes
exergy balance equation
heaters coolers
steady state
+2
votes
1
answer
In a steam generator, compressed liquid water at 10 MPa, 30°C, enters a 30-mm diameter tube at the rate of 3 L/*.
asked
Nov 18, 2018
in
Mathematics
by
kratos
thermodynamics
single flow devices
heaters coolers
+2
votes
1
answer
A chiller cools liquid water for air-conditioning purposes. Assume 2.5 kg/* water at 20°C, 100 kPa is cooled to 5°C in a chiller.
asked
Nov 10, 2018
in
Mathematics
by
kratos
thermodynamics
heaters coolers
+2
votes
1
answer
Saturated liquid nitrogen at 500 kPa enters a boiler at a rate of 0.005 kg/* and exits as saturated vapor.
asked
Aug 31, 2018
in
Mathematics
by
kratos
thermodynamics
reversible processes
heaters coolers
steady state
+2
votes
1
answer
The air conditioner in a house or a car has a cooler that brings atmospheric air from 30°C to 10°C both states at 101 kPa.
asked
Aug 5, 2018
in
Mathematics
by
kratos
thermodynamics
heaters coolers
heat exchangers
+1
vote
1
answer
A condenser (cooler) receives 0.05 kg/* R-22 at 800 kPa, 40°C and cools it to 15°C. There is a small pressure drop so the exit state
asked
Jul 8, 2018
in
Mathematics
by
kratos
compressors
fans
thermodynamics
reversible processes
heaters coolers
steady state
+2
votes
1
answer
A flow of liquid glycerine flows around an engine, cooling it as it absorbs energy. The glycerine enters the engine at 140 F
asked
Jul 2, 2018
in
Mathematics
by
kratos
thermodynamics
single flow devices
heaters coolers
+2
votes
1
answer
Consider the following about Brown Dwarf 1. It is a small star that is somewhat cooler than a Red Dwarf.
asked
Jun 30, 2018
in
Class 11
by
kratos
our earth
universe
class-11
hydrocarbons
class-6
thermodynamics
indian geography
heaters coolers
+1
vote
1
answer
Carbon dioxide enters a steady-state, steady-flow heater at 300 kPa, 15°C, and exits at 275 kPa, 1200°C
asked
Jun 7, 2018
in
Mathematics
by
kratos
thermodynamics
single flow devices
heaters coolers
device efficiency
+3
votes
1
answer
Make a control volume around the whole power plant in and with the help of list what flows of mass and energy are in
asked
May 7, 2018
in
Mathematics
by
kratos
thermodynamics
single flow devices
pipe
heaters coolers
pumps
+2
votes
1
answer
A cooler in an air conditioner brings 0.5 kg/* air at 35°C to 5°C, both at 101 kPa and it then mix the output with a flow of 0.25 kg/*
asked
Apr 27, 2018
in
Mathematics
by
kratos
thermodynamics
heaters coolers
heat exchangers
+2
votes
1
answer
If birds are moved from 30°C to 10°C, their body temperature :
asked
Mar 31, 2018
in
Class 11
by
kratos
energy equation
class-11
kvpy
thermodynamics
the second law of thermodynamics
heaters coolers
+2
votes
1
answer
Consider a window-mounted air conditioning unit used in the summer to cool incoming air. Examine the system boundaries
asked
Mar 24, 2018
in
Class 11
by
kratos
cbse
class-11
thermodynamics
irreversibility
the first law of thermodynamics
heaters coolers
+1
vote
1
answer
A cryogenic fluid as liquid nitrogen at 90 K, 400 kPa flows into a probe used in cryogenic surgery. In the return line the nitrogen
asked
Feb 3, 2018
in
Mathematics
by
kratos
thermodynamics
heaters coolers
+2
votes
1
answer
In a boiler you vaporize some liquid water at 100 kPa flowing at 1 m/*. What is the velocity of the saturated vapor at 100 kPa
asked
Feb 1, 2018
in
Mathematics
by
kratos
throttle flow
thermodynamics
reversible processes
exergy balance equation
heaters coolers
steady state
+2
votes
1
answer
In a boiler you vaporize some liquid water at 103 psia flowing at 3 ft/*. What is the velocity of the saturated vapor at 103 psia
asked
Jan 25, 2018
in
Mathematics
by
kratos
thermodynamics
reversible processes
steady single flow devices
exergy balance equation
heaters coolers
steady state
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