temperature of the material at the end of the fourth stage is:

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A-Air containing 0.005 kg water vapour per kg of dry air is heated to 325 K in a dryer
and passed to the lower shelves. It leaves these shelves at 60 per cent humidity and is
reheated to 325 K and passed over another set of shelves, again leaving at 60 per cent
humidity. This is again repeated for the third and fourth sets of shelves, after which the
air leaves the dryer. On the assumption that the material on each shelf has reached the
wet-bulb temperature and that heat losses from the dryer may be neglected, The wet
temperature of the material at the end of the fourth stage is:-
1-301K
b-305 K
c-307K
Transcribed Image Text:A-Air containing 0.005 kg water vapour per kg of dry air is heated to 325 K in a dryer and passed to the lower shelves. It leaves these shelves at 60 per cent humidity and is reheated to 325 K and passed over another set of shelves, again leaving at 60 per cent humidity. This is again repeated for the third and fourth sets of shelves, after which the air leaves the dryer. On the assumption that the material on each shelf has reached the wet-bulb temperature and that heat losses from the dryer may be neglected, The wet temperature of the material at the end of the fourth stage is:- 1-301K b-305 K c-307K
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