A spherical copper shell of inside radius 5cm and wall

Assignment Help Mechanical Engineering
Reference no: EM13344520

A spherical copper shell, of inside radius 5cm and wall thickness 1cm, loses heat to the surrounding air, which is maintained at 25C. The inside surface of the shell is maintained at Ti=100C. The external heat transfer coefficient is h=10 W/m^2*K. What is the rate of heat loss to the ambient? 

Reference no: EM13344520

Questions Cloud

A particular brand of gasoline has a density of 0737 rm gml : a particular brand of gasoline has a density of 0.737 rm gml. how many grams of this gasoline would fill a 14.4 gal
If the average human body discharges 716 g of co2 per day : naoh co2 - na2co3 h2o.if the average human body discharges 716 g of co2 per day how much naoh is needed each day for
A compound contains 1013 c and 8987 cl by mass determine : a compound contains 10.13 c and 89.87 cl by mass. determine both the empirical formula and the molecular formula of the
A gas mixture contains each of the following gases at the : a gas mixture contains each of the following gases at the indicated partial pressures n2 335 torr o2 124torr and he
A spherical copper shell of inside radius 5cm and wall : a spherical copper shell of inside radius 5cm and wall thickness 1cm loses heat to the surrounding air which is
Calculate the value of the rate constant what is the : the data below were collected for the following reactioninitial rate0.050 0.050 0.0140.100 0.050 0.0290.100 0.100
The chopper controls a dc machine with an armature : the chopper controls a dc machine with an armature inductance of 0.2mh. the armature resistance can be neglected. the
At the conclusion of the experiment the total pressure in : you conduct an experiment where n2 is collected over water in a 2.12 l flask at 23.oc. at the conclusion of the
A gas company charges 130 for 150 cubic feet of natural gas : a gas company charges 1.30 for 15.0 cubic feet of natural gas. a convert this rate to dollars per liter of gas. b if it

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Which one has the bigger moment of inertia

two spinning discs have the same angular momentum, but disk 1 has more kinetic energy than disk 2. Which one has the bigger moment of inertia - explain your reasoning?

  Develop equations which may be solved to give the final

develop equations which may be solved to give the final temperature of the gas remaining in a tank nbspafter the tank

  Water flows through a pipe at an average temperature of

water flows through a pipe at an average temperature of t70degc. the inner and outer radii of the pipenbspare r16cm and

  Determine the minimum diameter d required

Two solid cylindrical rods (1) and (2) are joined together at flange B and loaded. If the normal stress in each rod must be limited to 110 MPa, determine the minimum diameter D required for each rod.

  Explain horsepower and efficiency of three-phase motor

Horsepower and efficiency of three-phase motor, If a fully loaded 440V, three-phase motor draws 12.4 A at 86% power factor (pf). It's speed is 1730 rpm and its torque output to a mechanical load is 29.1 lb-ft x 1.356 = 39.5 Nm.

  Determine the initial discharge rate of water

The tank air pressure above the water level is 300kPa(absolute) while the atmospheric pressure is 100kPA. Neglecting frictional effects, determine the initial discharge rate of water from the tank.(Density of water=1000kg/m^3)

  Determine the specified data for water at the states

Determine the specified data for water at the states indicated and locate each state on a P-v and T-v diagram.

  Determine line efficiency

When these stops occur, it takes an average of 10.0 min to diagnose the problem and make repairs. Determine (a) line efficiency and (b) average actual production rate.

  Determine the final temperature of the water

one part of the tank contain 2.5 kg of compressed liquid water at 60 C and 600 kPa while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. Determine the final temperature of the water and the..

  At what location s will the combined moment

At what location s will the combined moment of the weights of the man and platform about point B be zero.

  A 02-cm-thick 10-cm-high and 15-cm-long circuit board

a 0.2-cm-thick 10-cm-high and 15-cm-long circuit board houses electronic components on one side that dissipate a total

  Determine the height to which the pulley is lifted

a simple pulley with the given radius r used to lift heavy objects is positioned 10 feet above ground level. Given that the pulley rotates theta degrees, determine the height to which the pulley is lifted.

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