What do you think are the advantages and disadvantages of isothermal constant volume high extension cycle? And how efficient do
1 answer:
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Answer:
Q = 37855.77 J
Explanation:
given data
mass = 15 gram = 0.015 kg
temperature t1 = 100°C
temperature t2 = 37°C
solution
as heat is absorbed by steam to liquid is
Q1 = mL ............1
and
heat absorbed by 100 degree C water to body temperature so
Q2 = m c ΔT .......2
so that here total head absorbed is
total hat absorbed is
Q = Q1 + Q2 ...........3
put her value
Q = mL + m c ΔT
Q = 0.015 × 2.26 × J/kg + 0.015 × 4186 × (100 - 37 )
Q = 37855.77 J
Q = 9.045 cal
Answer:
the microchip temperature will be 155° C
Explanation:
Area of the power transistor A= 1mm^2
A= 10^(-6) m^2
thickness t= 2 mm
T_2= 30° C
K= 140-180 W/mk
K= (140+180)/2
K= 160 W/mK
W= 10 watts
to find T_1
we know that
W= KAΔT/t
value
putting
on solving we get T_1= 155° C
the microchip temperature will be 155° C