PLEASE ANSWER QUICKLY WITHIN 1 HOUR THANK YOU air at 30°C for a while before they are dropped into the water. If thetemperature of the balls drops to 855°C prior to quenching, determine:(i)The rate of heat transfer from the balls to the air; and(ii)The rate of entropy generation due to heat loss from the balls to the air. (b)Stainless steel ball bearings (p = 8085 kg/m³ and cp = 0.480 kJ/kg°C) having adiameter of 1.22 cm are to be quenched in water at a rate of 1402 per minute.The balls leave the oven at a uniform temperature of 900°C and are exposed to

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Stainless steel ball bearings (p = 8085 kg/m² and cp = 0.480 kJ/kg°C) having a diameter of 1.22 cm are to be quenched in water at a rate of 1402 per minute. The balls leave the oven at a uniform temperature of 900°C and are exposed to

Stainless steel ball bearings (p = 8085 kg/m² and cp = 0.480 kJ/kg°C) having a diameter of 1.22 cm are to be quenched in water at a rate of 1402 per minute. The balls leave the oven at a uniform temperature of 900°C and are exposed to

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

PLEASE ANSWER QUICKLY WITHIN 1 HOUR THANK YOU

air at 30°C for a while before they are dropped into the water. If the
temperature of the balls drops to 855°C prior to quenching, determine:
(i)
The rate of heat transfer from the balls to the air; and
(ii)
The rate of entropy generation due to heat loss from the balls to the air.

(b)
Stainless steel ball bearings (p = 8085 kg/m³ and cp = 0.480 kJ/kg°C) having a
diameter of 1.22 cm are to be quenched in water at a rate of 1402 per minute.
The balls leave the oven at a uniform temperature of 900°C and are exposed to

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