Explain why an electric refrigerator

Assignment Help Mechanical Engineering
Reference no: EM13710262

Explain why an electric refrigerator, which transfers energy by means of heat from the cold food storage compartment to the warmer air in the room, is not an impossible "clauses device."

Reference no: EM13710262

Questions Cloud

What is the controlling resistance for this heat transfer : A spherical container of outer diameter 2.5 m is buried below the wrath’s surface. The distance of the center of the container to the earth surface is 10 m. The container issued to temporarily store radioactive wastes where heat is generated at a rat..
Determine the rate of heat absorption from the outside air : Refrigerant-134a enters the condenser of a residential heat pump at 900 kPa and 40°C at a rate of 0.02 kg/s and leaves at 900 kPa as a saturated liquid. If the compressor consumes 1.2kW of power, determine (a) the COP of the heat pump and (b) the ra..
Estimate the range flaw sizes : A silicon nitride turbine rotor fractures at a stress level of 265 MPa. Estimate the range flaw sizes that could have been responsible for this failure.
Living plant leaf is an open system that exchanges energy : A living plant leaf is an open system that exchanges energy (sunlight and thermal flows) + matter (O2, CO2, water vapor, etc.) with the surroundings (the exterior). Even with irreversible processes (energy dissipation) we find that the net entropy ch..
Explain why an electric refrigerator : Explain why an electric refrigerator, which transfers energy by means of heat from the cold food storage compartment to the warmer air in the room, is not an impossible "clauses device."
Draw a diagram of the essential features of optical encoder : Explain the principle of operation of an AB encoder and how this is used to read an optical encoder. Draw a diagram of the essential features of an optical encoder.
Determine the velocity of the refrigerant : Refrigerant R22 exits a heat exchanger through a 3 cm diameter tubing with a mass flow of 0.5 kg/s. The temperature and quality are -20 0C and 0.1. Determine the velocity of the refrigerant in m/s.
Measure value and voltage across resistor in dc circuit : We are asked to measure value and voltage across resistor in DC circuit. Explain why - statistical analysis of resistance measurements in different configurations; building series/parallel circuits to compare experimental to theoretical values to ana..
What is the equivalent airspeed : An airplane with a plan form area of 15m^2 is moving through the air at True Airspeed(TAS) 150 km/.h at 3000 m altitude on a no wind standard day. Use Appendices for atmosphere data. What is the equivalent airspeed (EAS)?

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Fully draw shear force and bending moment diagrams noting

derive the equation for maximum deformation of a beam in 3 point bending following steps will be helpfula fully draw

  What is the maximum possible error in each case

Two resistors, R 1 = 100.0 ± 0.2? And R2 = 50.0 ± 0.1? are connected (a) in series and (b) in parallel. Calculate the uncertainty in the resistance of the resultant circuits. What is the maximum possible error in each case?

  Find a unique four-bar mechanism sketch the mechanism and

find a unique four-bar mechanism. sketch the mechanism and provide a short description about the function and purpose

  The engine exit as well as the inefficiencies of engine

consider an aircraft powered by a turbojet engine that has a pressure ratio of 9. the aircraft is stationary on the

  The inner diameter of the hose is 1 inch and it reduces to

a garden hose attached with a nozzle is used to fill a 20-gal bucket. the inner diameter of the hose is 1 inch and it

  Plot thrust vs time what is the velocity of the rocket at

a rocket has an initial mass of 25000 kg of which 20000 kg is fuel and oxygen. it is propelled directly upward from

  Determine the rate of heat loss per square meter of the

thermopane window consists of two 6 -mm thick glasses separated by a stagnant air space of thickness 6 mm. the thermal

  A power cycle has a thermal efficiency

A power cycle has a thermal efficiency of 40% and generates electricity at a rate of 100 MW. The electricity is valued at $0.08 per kW h. Based on the cost of fuel, the cost to supply Qin is $4.50 per GJ.

  What would the pressure rise to

Estimate the mass of the gas in the tank in kg assuming the gas behaves as an ideal gas. If the gas warms up to 35 deg C as it sits in the sun all day, what would the pressure rise to?

  The emissivity of the surface is 08 determine the total

a 9-cm-diameter spherical ball whose surface is maintained at a temperature of 110oc is suspended in the middle of the

  In a water heating system cold water at 5 c flowing at a

in a water heating system cold water at 5 c flowing at a rate of 5 kgs is mixed adiabatically with hot water at 80 c

  A 137-cs source has an acticity of 700 mu ci a gamma proton

a 137-cs source has an acticity of 700 mu ci. a gamma proton with energy 0.662 mev is emitted with a frequency of 0.849

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd