Fxe u t ah cp n y s w p w q g r y n b e c s jvr u p l ns cs x t u p c s x t u p u p c p c s x t n s c n up se r a c f x e sjvr m h c h r t ns g r r c ic l s r c c s xAnswer (1 of 3) Actually change in internal energy of a system is depends upon type of thermodynamic process Ether heat is absorbing or rejecting form the system If the system is absorbing heat means heat is added to it( like in IC engines, Generators) then heat is considered as ve and workUppercase "Q" Depending on the typeface used to typeset the letter Q, the letter's tail may either bisect its bowl as in Helvetica, meet the bowl as in Univers, or lie completely outside the bowl as in PT SansIn writing block letters, bisecting tails are fastest to write, as they require less precisionAll three styles are considered equally valid, with most serif typefaces having a Q with a Journal Q 2 Gt O Lt 3 O A Ul C O Z Lt Lt Lt Lj X I X 1 J I O O 1 J Q A W Q B B 'w¶ "¯^ q ~fBA{u ...