Calculate the true temperature of the air

Assignment Help Mechanical Engineering
Reference no: EM131171349

Athermometer having an emissivity of 0.9 is placed in a large room and indicates a temperature of 25?C.The walls of the room are at 35?C and the convection heat transfer coefficient is 5.0 W/m2 · ?C. Calculate the true temperature of the air.

Reference no: EM131171349

Questions Cloud

Compare external influences on health care research : Explain how evidenced-based research influences the health care industry and compare external influences on health care research
Describe the scope of the projects and its objectives : Project Scope and Benefits: Describe the scope of the projects, its objectives, and the specific measurable impact it will have on the business or organizational results
Review the trend of the agency over the past five years : Review the trend of the agency over the past five years and prepare an analysis explaining the trend for expenditures. (Title this section Trend Analysis.)
Why adding only a few characters to a text file : Explain why adding only a few characters to a text file may increase the file's size by several hundred bytes and at other times may not increase the file's size at all.?
Calculate the true temperature of the air : Athermometer having an emissivity of 0.9 is placed in a large room and indicates a temperature of 25?C.The walls of the room are at 35?C and the convection heat transfer coefficient is 5.0 W/m2 · ?C. Calculate the true temperature of the air.
Differences between design capacity and effective capacity : Analyze two or three (2-3) differences between design capacity and effective capacity, and then predict one or two (1-2) challenges that you may encounter when using each method. Provide specific examples to support your rationale
Statement that describes the overall purpose of organization : A mission statement is a formal statement that describes the overall purpose of the organization and what it intends to achieve in terms of customers, products, and resources. Write a mission statement for a breakfast/brunch restaurant that is only o..
Two complement system : In a two's complement system, what value can be added to any other value without causing an overflow? How many values in the system have this property? Explain your answer.
What temperature will be indicated by the thermocouple : The air temperature in the oven is 350?C, and the convection coefficient between the air and the sensor is 40 W/m2 · ?C. What temperature will be indicated by the thermocouple?

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Determine the amount of jet fuel consumed during take off

A jumbo jet with a mass of 5 million kg requires a speed of 175 mph for takeoff. Assuming an overall efficiency of 20% (from heat release to kinetic energy of the aircraft), determine the amount of jet fuel (heating value: 44 MJ/kg) consumed during t..

  Minimum amount of power this fan must consume to operate

A fan accelerates air (at atmospheric pressure and 300K) from a rest to 5m/s. The fan mass flow rate of air is 1.2 kg/s. What is the minimum amount of power this fan must consume to operate under these conditions?

  An airplane flies horizontally at 550 ms its

an airplane flies horizontally at 55.0 ms. its propellernbspdelivers 1500 n of thrust forward force to overcome

  Determine the moment of inertia ibb of a trapezoid

Determine the moment of inertia IBB of a trapezoid having bases a and b and altitude h with respect to its base (see Case 8, Appendix D).

  A 80 kg resting person with a constant core temperature

a 80 kg resting person with a constant core temperature near 37 c transfers heat at the resting rate to hisher

  Disturbances at the various tube junctions

Flow of a fluid in a network of tubes (Fig. 2B.12), a fluid is flowing in laminar flow from A to B through a network of tubes, as depicted in the figure. Obtain an expression for the mass flow rate w of the fluid entering at A (or leaving at B) as..

  Piston-cylinder device with an initial pressure

Air with a mass of 0.5 kg, contained inside a piston-cylinder device with an initial pressure of 5 bar and initial volume of 0.1 m3, undergoes a thermodynamic cycle consisting of 3 processes as follows:

  Mass of m1300kg is placed in sea water with density rho

a floating cone with tip angle 60 degrees has. mass of m1300kg is placed in sea water with density rho 1025kgm3. on top

  Determine the convection heat loss

Determine the convection heat loss from both the top and the bottom of a flat plate at Ts = 80°C with air in parallel flow at Too = 25°C, uoo = 3 m/s.

  Determine the angle for the equilibrium position

Each of the identical rectangular blocks of mass m is homo-geneous with mass center at G. Evaluate () for equilibrium when b = a.

  Find the magnitude of the angular momentum

Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15.0 cm and a mass of 6.00 g.

  The inital parameters of the air in the cylinder were 10 l

air was heated by an electric resitance heater in an insulated piston-cylinder device. the piston weight remained

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