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Recent questions tagged flow rates
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A household fan of diameter 0.75 m takes air in at 98 kPa, 22°C and delivers it at 105 kPa, 23°C with a velocity of 1.5 m/*.
asked
Mar 11, 2019
in
Mathematics
by
kratos
continuity equation
thermodynamics
flow rates
+3
votes
1
answer
Briefly explain the working of a turbines generator.
asked
Mar 2, 2019
in
JEE
by
kratos
irodov
work energy and power
jee
thermodynamics
class-9
pressure
force
general scince
jee mains
electromagnetism
magnetism
class-12
flow rates
dynamics of a solid body
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1
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Air is pumped into an automobile tube upto a pressure of 200 kPa in the morning when the air temperature is 22°C.
asked
Feb 27, 2019
in
JEE
by
kratos
class-11
jee
continuity equation
thermodynamics
jee mains
class-12
flow rates
kinetic theory of gases
+3
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1
answer
Consider a hot-air heating system for a home. Examine the following systems for heat transfer.
asked
Feb 9, 2019
in
Mathematics
by
kratos
entropy of a liquid or solid
continuity equation
thermodynamics
heat transfer
flow rates
+3
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1
answer
The high-temperature heat source for a cyclic heat engine is a steady flow heat exchanger where R-134a enters at 80°C, saturated vapor,
asked
Jan 31, 2019
in
Mathematics
by
kratos
throttle flow
continuity equation
thermodynamics
irreversibility
flow rates
+2
votes
1
answer
Phosphorus is manufactured by heating one of the following mixtures in an electric furnace?
asked
Jan 18, 2019
in
Mathematics
by
kratos
continuity equation
thermodynamics
flow rates
bitsat
+2
votes
1
answer
Air at 95 F, 16 lbf/in.^2, flows in a 4 in. × 6 in. rectangular duct in a heating system. The volumetric flow rate is 30 cfm (ft^3/min).
asked
Jan 16, 2019
in
Mathematics
by
kratos
transient processes
continuity equation
thermodynamics
single flow devices
flow rates
+2
votes
1
answer
Water flows through a horizontal pipe at a constant volumetric rate
asked
Dec 29, 2018
in
Class 11
by
kratos
fluid flow
fluid mechanics
cbse
class-11
continuity equation
thermodynamics
liquid in motion
flow rates
+1
vote
1
answer
Make a control volume that includes the steam flow around in the main turbine loop in the nuclear propulsion system
asked
Dec 2, 2018
in
Mathematics
by
kratos
law efficiency
continuity equation
thermodynamics
the first law of thermodynamics
flow rates
exergy balance equation
+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
+3
votes
1
answer
Induction furnace is based on the heating effect of
asked
Oct 25, 2018
in
Mathematics
by
kratos
work
flow rates
continuity equation
thermodynamics
power and energy
bitsat
+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
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vote
1
answer
A boiler receives a constant flow of 5000 kg/h liquid water at 5 MPa, 20°C and it heats the flow such that the exit state is 450°C
asked
Aug 31, 2018
in
Mathematics
by
kratos
continuity equation
thermodynamics
flow rates
+2
votes
1
answer
A mass flow rate into a control volume requires a normal velocity component. Why?
asked
Aug 5, 2018
in
Mathematics
by
kratos
continuity equation
thermodynamics
the first law of thermodynamics
pipe
device efficiency
pumps
flow rates
+2
votes
1
answer
Nitrogen gas flowing in a 50-mm diameter pipe at 15°C, 200 kPa, at the rate of 0.05 kg/*, encounters a partially closed valve.
asked
Jul 14, 2018
in
Mathematics
by
kratos
continuity equation
thermodynamics
flow rates
+3
votes
1
answer
Air at 35°C, 105 kPa, flows in a 100 mm × 150 mm rectangular duct in a heating system. The volumetric flow rate is 0.015 m^3/*.
asked
May 14, 2018
in
Mathematics
by
kratos
continuity equation
thermodynamics
flow rates
+2
votes
1
answer
An empty bathtub has its drain closed and is being filled with water from the faucet at a rate of 10 kg/min. After 10 minutes
asked
Apr 30, 2018
in
Mathematics
by
kratos
continuity equation
thermodynamics
flow rates
+2
votes
1
answer
A hot air home heating system takes 0.25 m^3/* air at 100 kPa, 17°C into a furnace and heats it to 52°C and delivers the flow
asked
Apr 17, 2018
in
Mathematics
by
kratos
continuity equation
thermodynamics
flow rates
+2
votes
1
answer
Saturated vapor R-134a leaves the evaporator in a heat pump system at 10°C, with a steady mass flow rate of 0.1 kg/*.
asked
Apr 14, 2018
in
Mathematics
by
kratos
continuity equation
thermodynamics
flow rates
+1
vote
1
answer
Consider efficiencies of hydro-turbines and generators.
asked
Apr 12, 2018
in
JEE
by
kratos
irodov
food and its constituents
class-8
work energy and power
class-11
jee
thermodynamics
pressure
force
jee mains
class-12
flow rates
dynamics of a solid body
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