Control ENG HW_Part_13

# Control ENG HW_Part_13 - on a table for some time,is...

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- = - s e s Y s 1 10 ) ( + - + = - ) 1 ( ) 1 ( 1 10 ) ( s s e s s s Y s 1 ) 1 ( 10 ) ( < - = - t e t Y t ( ) 1 ) 1 ( ) 1 ( 10 ) ( ) 1 ( - - - = - - - t e e t Y t t At t = 0.5 T = 103.93 At = 2 T =102.325 5.5 Repeat problem 5.4 if the thermometer is in 110 deg F for only 10 sec. If thermometer is in 110 deg F bath for only 10 sec 60 / 10 110 t e T - - =

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sec 60 sec 10 0 = < < T t 535 . 101 sec) 10 ( = = t T sec 10 535 . 1 100 60 / ) 10 ( > + = - - t e T t T(t=30sec) = 101.099 deg F T(t=120sec) = 100.245 deg F 5.6 A mercury thermometer which has been
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Unformatted text preview: on a table for some time,is registering the room temperature ,758 deg F. Suddenly, it is placed in a 400 deg F oil bath. The following data are obtained for response of the thermometer Time (sec) Temperature, Deg F 0 75 1 107 2.5 140 5 205 8 244 10 282 15 328 30 385 Give two independent estimates of the thermometer time constant....
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Control ENG HW_Part_13 - on a table for some time,is...

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