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Question Number 74358 by jagannath19 last updated on 23/Nov/19

Commented by mr W last updated on 23/Nov/19

$(4) i s c o r r e c t$ $l e n g t h o f c o p p e r r o d a t t e m p e r a t u r e Δ θ :$ $L_{0} + L_{0} α_{S} Δ θ$ $l e n g t h o f c o p p e r r o d a t r o o m t e m p e r a t u r :$ $L_{0} + L_{0} α_{S} Δ θ - L_{0} α_{C} Δ θ$ $= L_{0} [1 + (α_{S} - α_{C}) Δ θ]$
Commented by jagannath19 last updated on 23/Nov/19

$s i r i d i d n t u n d e r s t a n d p l e a s e p r o v i d e d e t a i l e d s o l n s i r$
Commented by mr W last updated on 23/Nov/19

$w h e n t h e r o d i s m e a s u r e d w i t h t h e$ $s t e e l t a p e, t h e t a p e s h o w s a l e n g t h L_{0} .$ $b u t L_{0} i s o n l y t h e s c a l e o n t h e t a p e .$ $a n d t h e s c a l e s h o w s o n l y t h e t r u e$ $l e n g t h o f t h e t a p e a t r o o m t e m p e r a t u r e .$ $t h e t r u e l e n g t h o f t h e t a p e a t Δ θ i s$ $i n f a c t L_{0} + L_{0} α_{S} Δ θ . t h i s i s a l s o t h e$ $m e a s u r e d t r u e l e n g t h o f t h e r o d a t Δ θ,$ $t h e l e n g t h o f t h e r o d a t r o o m t e m p e r a t u r e$ $i s t h u s L_{0} + L_{0} α_{S} Δ θ - L_{0} α_{C} Δ θ .$
Commented by mr W last updated on 23/Nov/19

Commented by jagannath19 last updated on 23/Nov/19

$s i r y o u h a v e a n a m a z i n g s e n s e o f k n o w l e d g e . . . t h a n k y o u s o m u c h s i r . . .$
Commented by mr W last updated on 23/Nov/19

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