Determine the temperature of the outlet air

Assignment Help Physics
Reference no: EM13103061

A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. The furnace fan can move 225 ft3 of air per minute. If the air enters the furnace at 60.0°F, determine the temperature of the outlet air.

Reference no: EM13103061

Questions Cloud

What is the amplitude of the wave : The vertical displacement of particles in a string (when a wave is propagating through it) is given by y = (0.02) sin[(10?)t - (8?)x], where everything is measured in standard units, meters and seconds. What is the amplitude of the wave?
Find the launch angle : A projectile is launched from ground level with an initial speed of 52.2 m/s. Find the launch angle (the angle the initial velocity vector is above the horizontal) such that the maximum height of the projectile is equal to its horizontal range. (I..
Similarities-differences of glottochronology-dentochronology : Explain glottochronology, dentochronology, and dendrochronology, and write their similarities/differences. Give examples of these techniques are utilized.
Find electric field at an arbritrary point between two plate : Two large identical flat metal plates are placed parallel to one another, seperated by a small distance compared to their linear size. One plate is given a charge per unit area 2.50E-5 C/m2 and the other a charge per unit area -2.50E-5 C/m2. Using..
Determine the temperature of the outlet air : A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. The furnace fan can move 225 ft3 of air per minute. If the air enters the furnace at 60.0°F, determine the temperature of the outlet air.
Determine how many times greater heat loss occurs : Determine how many times greater heat loss occurs through a glass window thats 80.0 cm high, 70 cm wide, and 0.300 cm thick (k = 0.791 W/m°C) than a electrical supply line running outside to an exterior mounted light.
Adding the error into the regression sum of squares : The analysis needs to be re-run adding the error into the regression sum of squares.
Nonlinear programming problems : Classify the problems as to whether they are pure-integer, mixed-integer, zero-one, goal, or nonlinear programming problems.
Difference between inner and outer surface of glass : 100.0 W tungsten filament bulb generates 95.0 W of heat, which dissipated through glass bulb which has radius of 3.00 cm and 0.500 mm thick. If thermal conductivity of glass is 0.836 W/m°C, determine difference in temp. between inner and outer sur..

Reviews

Write a Review

Physics Questions & Answers

  What is the rotational inertia of the wheel

plan a free-body diagram of the wire and bird system. How much tension does the bird produce in the wire? Ignore the weight of the wire.what is the rotational inertia of the wheel.

  Use greens function for a plane

A 4.6 long, 480 steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction.

  What is the tension in the cable

The boom in the crane is free to pivot about point P and is supported by the cable that joins halfway along its 18 m length. the cable passes over a pulley and is anchored at the back of crane. the boom has a mass of 1700 kg, distributed evenly an..

  At what position is the third bead in equilibrium

A 16 kg wood ball hangs from a 2 m-long wire. The maximum tension the wire can withstand without breaking is 435 N. A 1.2 kg projectile traveling horizontally hits and embeds itself in the wood ball. What is the largest speed the projectile can ha..

  With what speed does electron leave the hole

A man weighing 650 and a woman weighing 440 have same momentum. What is the ratio of the man's kinetic energy to that of the woman.

  Estimate the initial temperature of hot horseshoe

A charge of -4.00 nC and a charge of -6.10 nC are separated by the distance of 60 cm. Find out the position at which a third charge of +7.90 nC can be placed so that net electrostatic force on it is zero.

  Find the forces that act on each of the three charges

Find the forces that act on each of the three charges. a) q = -1.0 µC in vector form b) q= 3 µC in vector form b) q =5 µC in vector.

  Why to eliminate the difficulties with motion sickness

Thus, to eliminate the difficulties with motion sickness, designers must choose the distance between the astronaut's feet and the axis about which the space station rotates to be greater than a certain least value. What is this least value.

  What is the force the left support exerts on the beam

A gymnast with mass m1 = 41 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 108 kg and length L = 5 m. Each support is 1/3 of the way from each end. at least the gymnast stands at the left end of..

  How much force should the biceps exert to lift

When lifting an object using the biceps muscle, the forearm acts as a lever with the fulcrum at the elbow. The input work is provided by the biceps muscle pulling up on the bone. How much force should the biceps exert to lift an object weighing 12..

  Compute the force of the earths gravity on an electron

compute the force of the Earth's gravity on an electron and evaluate it with the force exerted on the electron by an electric field of magnitude 12500-V/m (a relatively small field). The mass and charge of an electron are given on the inside back ..

  What sound intensity level will the crew member experience

A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 350. When a jet aircraft is taking off.

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