A perfectly stirred-and -insulated tank, initially contains 360 L oil (p=1050 kg/m3, CP=2100 j/kg.oC, TO=35 oC). At this time, the oil is being heated by electrical energy: Q=22exp(-0.05t), where Q is rate thermal energy transferred, in kW, and t is time in minutes. How long will it take, in minutes, for the oil temperature to reach 60 oC ? Lütfen birini seçin: а. 35.9 b. 27.9 С. 31.9 d. 29.9 е. 33.9
A perfectly stirred-and -insulated tank, initially contains 360 L oil (p=1050 kg/m3, CP=2100 j/kg.oC, TO=35 oC). At this time, the oil is being heated by electrical energy: Q=22exp(-0.05t), where Q is rate thermal energy transferred, in kW, and t is time in minutes. How long will it take, in minutes, for the oil temperature to reach 60 oC ? Lütfen birini seçin: а. 35.9 b. 27.9 С. 31.9 d. 29.9 е. 33.9
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![A perfectly stirred-and -insulated tank, initially
contains 360 L oil (p=1050 kg/m3, CP=2100
j/kg.oC, TO=35 oC). At this time, the oil is
being heated by electrical energy:
Q=22exp(-0.05t), where Q is rate thermal
energy transferred, in kW, and t is time in
minutes. How long will it take, in minutes, for
the oil temperature to reach 60 oC ?
Lütfen birini seçin:
а.
35.9
b.
27.9
С.
31.9
d.
29.9
е.
33.9](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2c909b0d-8562-4b8e-8709-661907cc72ff%2Fb8b7c88a-a6d7-4a7b-a579-ec791634ef7d%2Fvu1h96f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A perfectly stirred-and -insulated tank, initially
contains 360 L oil (p=1050 kg/m3, CP=2100
j/kg.oC, TO=35 oC). At this time, the oil is
being heated by electrical energy:
Q=22exp(-0.05t), where Q is rate thermal
energy transferred, in kW, and t is time in
minutes. How long will it take, in minutes, for
the oil temperature to reach 60 oC ?
Lütfen birini seçin:
а.
35.9
b.
27.9
С.
31.9
d.
29.9
е.
33.9
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