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Recent questions tagged heat exchangers
+2
votes
1
answer
Air at 600 K flows with 3 kg/* into a heat exchanger and out at 100°C. How much (kg/*) water coming in at 100 kPa, 20°C
asked
Mar 9, 2019
in
Mathematics
by
kratos
heat exchangers
availability
thermodynamics
law efficiency
exergy balance equation
+3
votes
1
answer
Name the devices : (i) This device constantly looks at all the data entering and exiting your connection.
asked
Feb 3, 2019
in
Class 12
by
kratos
heat exchangers
management system
cbse
data definition language
thermodynamics
class-12
relational database
+1
vote
1
answer
Air at 20 m/*, 260 K, 75 kPa with 5 kg/* flows into a jet engine and it flows out at 500 m/*, 800 K, 75 kPa. What is the change
asked
Jan 30, 2019
in
Mathematics
by
kratos
heat exchangers
diffusers
nozzles
thermodynamics
availability
+1
vote
1
answer
A heat exchanger is used to cool an air flow from 1400 to 680 R, both states at 150 lbf/in.^2. The coolant is a water flow
asked
Dec 26, 2018
in
Mathematics
by
kratos
thermodynamics
multiple flow devices
heat exchangers
+2
votes
1
answer
A desuperheater mixes superheated water vapor with liquid water in a ratio that produces saturated water vapor as output
asked
Dec 4, 2018
in
Mathematics
by
kratos
thermodynamics
heat exchangers
+1
vote
1
answer
An air-conditioner provides 1 kg/* of air at 15°C cooled from outside atmospheric air at 35°C. Estimate the amount
asked
Dec 2, 2018
in
Mathematics
by
kratos
carnot cycles
thermodynamics
heat exchangers
+2
votes
1
answer
An electric dip heater is put into a cup of water and heats it from 20°C to 80°C. Show the energy flow(*) and storage and explain
asked
Dec 1, 2018
in
Mathematics
by
kratos
entropy generation
heat exchangers
continuity equation
thermodynamics
bernoulli equation
polytropic processes
reversible shaft work
flow rates
+1
vote
1
answer
Name the devices : (i) This device constantly looks at all the data entering and exiting your connection.
asked
Nov 20, 2018
in
Class 12
by
kratos
heat exchangers
management system
cbse
data definition language
thermodynamics
class-12
relational database
+2
votes
1
answer
Your are required to make a water bath of 50kg at 45°C, by mixing hot water at 90°C,
asked
Oct 13, 2018
in
Class 10
by
kratos
calorimetry
heat exchangers
thermodynamics
class-10
icse
+2
votes
1
answer
A flow of 1000 K, 100 kPa air with 0.5 kg/* in a furnace flows over a steel plate of surface temperature 400 K. The flow is such that
asked
Oct 5, 2018
in
Mathematics
by
kratos
heat exchangers
continuity equation
thermodynamics
reversible processes
heat transfer
flow rates
steady state
+1
vote
1
answer
Consider the high-pressure closed feedwater heater in the nuclear power plant Mass flow rates and the various states in the cycle
asked
Sep 29, 2018
in
Mathematics
by
kratos
heat exchangers
thermodynamics
single flow devices
irreversibility
irreversible processes
steady state
+2
votes
1
answer
A coal-fired power plant operates with a high T of 600°C whereas a jet engine has about 1400 K. Does that mean we
asked
Sep 24, 2018
in
Mathematics
by
kratos
heat exchangers
thermodynamics
the second law of thermodynamics
reversible processes
nsep
steady state
+3
votes
1
answer
Explain the zero energy cool chamber. Explain its importance in rural areas.
asked
Sep 17, 2018
in
Class 12
by
kratos
heat exchangers
cbse
agriculture
thermodynamics
class-12
+2
votes
1
answer
An automotive radiator has glycerine at 95°C enter and return at 55°C as Air flows in at 20°C and leaves at 25°C.
asked
Sep 14, 2018
in
Mathematics
by
kratos
thermodynamics
multiple flow devices
heat exchangers
+3
votes
1
answer
A condenser, as the heat exchanger brings 1 lbm/* water flow at 1 lbf/in.^2 from 500 F to saturated liquid at 1 lbf/in.^2.
asked
Aug 18, 2018
in
Mathematics
by
kratos
multiple flow devices
heat exchangers
bernoulli
thermodynamics
reversible shaft work
+1
vote
1
answer
Determine whether water at each of the following states is a compressed liquid, a superheated vapor, or a mixture of
asked
Aug 7, 2018
in
Mathematics
by
kratos
heat exchangers
phase diagrams
thermodynamics
critical points
entropy of a liquid or a solid
+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 two fluid heat exchanger has 2 kg/* liquid ammonia at 20°C, 1003 kPa entering state 3 and exiting at state 4. It is heated by a flow
asked
Jul 20, 2018
in
Mathematics
by
kratos
thermodynamics
heat exchangers
+3
votes
1
answer
A mixing chamber has all flows at the same P, neglecting losses. A heat exchanger has separate flows exchanging energy,
asked
Jul 20, 2018
in
Mathematics
by
kratos
thermodynamics
irreversibility
heat exchangers
availability
+2
votes
1
answer
A modern jet engine has a temperature after combustion of about 1500 K at 3200 kPa as it enters the turbine setion,
asked
Jul 8, 2018
in
Mathematics
by
kratos
nozzles
heat exchangers
diffusers
thermodynamics
single flow devices
reversible processes
steady state
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