Answered: Give the differences between psi , psig…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter2: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 81AP: One process for decaffeinating coffee uses carbon dioxide ( M=44.0 g/mol) at a molar density of...

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Give the differences between psi , psig and psia units

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$G i v e n : G i v e t h e d i f f e r e n c e s b e t w e e n p s i, p s i g a n d p s i a u n i t s A) P S I : (P o u n d s P e r S q u a r e I n c h) P S I i s t h e m o s t b a s i c u n i t t o m e a s u r e p r e s s u r e . T h e m a j o r i t y o f p r e s s u r e t r a n s d u c e r s a r e s p e c i f i e d i n p o u n d s p e r s q u a r e i n c h T h e r e a r e s e v e r a l d i f f e r e n t f o r m s o f m e a s u r e m e n t u n d e r P S I, s o m e o f w h i c h i n c l u d e . P S I G a n d P S I A . 1 P S I = 6, 894.75729 p a s c a l s . B) P S I A : A B S O L U T E P R E S S U R E P S I A i s a u n i t f o r p r e s s u r e m e a s u r e d r e l a t i v e t o a f u l l v a c u u m . I t s r e f e r r e d t o a s p o u n d s p e r s q u a r e i n c h a b s o l u t e N o w, A b s o l u t e p r e s s u r e i s m e a s u r e d r e l a t i v e t o a f u l l v a c u u m . T h e p r e s s u r e o f a v e s s e l c o m p l e t e l y v o i d o f a n y a i r m o l e c u l e s w o u l d b e 0 P S I A, w h i l e a v e r a g e a t m o s p h e r i c s u r f a c e p r e s s u r e (a t s e a l e v e l) i s r o u g h l y 14.7 P S I A .$

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