Heat loss through the walls amounts to approximately 860

Assignment Help Physics

Reference no: EM13634535

An electric heater is used to heat a room of volume 66 m3. Air is brought into the room at 5°C and is completely replaced twice per hour. Heat loss through the walls amounts to approximately 860 kcal/h. If the air is to be maintained at 20°C, what minimum wattage must the heater have? (The specific heat of air is about 0.17 kcal/kg·C°.)

Reference no: EM13634535

Questions Cloud

What should be the testing speed for the model in the wind : a one sixth scale model of an automaobile is to be tested in a wind tunnel at a speed corresponding to the prototype

You can estimate the diameter by knowing the tensile : to better comprehend the magnitude of gravitational force between earth and the moon pretend gravity is turned off and

Can students save money by shopping for textbooks at : can students save money by shopping for textbooks at amazon.com? to investigate this possibility a random sample of

Calculate the concentration of nonelectrolyte solute : calculate the concentration of nonelectrolyte solute particlesin human blood if the osmotic pressure is 7.53 atm at37oc

Heat loss through the walls amounts to approximately 860 : an electric heater is used to heat a room of volume 66 m3. air is brought into the room at 5degc and is completely

In the linear programming formulation of the shortest route : in the linear programming formulation of the shortest route problem there is one constraint for each node indicatinga.

A 7-m- diameter spherical hot air ballon is neither rising : a 7-m- diameter spherical hot air ballon is neither rising nor falling at some height. the density of atmoshpheric air

Calculate the mass in grams of urea that must be added to : calculate the mass in grams of urea that must be added to 150.g water to give a solution whose vapor pressure is 2.5mm

Based on historical data your manager believes that 30 of : 1 based on historical data your manager believes that 33 of the companys orders come from first-time customers. a

Reviews

Write a Review

Required(*) Message

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!

Submit Assignment

User Account

All Pages