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> 101年 - 101 淡江大學 轉學考 質能均衡#53232
101年 - 101 淡江大學 轉學考 質能均衡#53232
科目：
轉學考-質能均衡 |
年份：
101年 |
選擇題數：
0 |
申論題數：
7
試卷資訊
所屬科目：
轉學考-質能均衡
選擇題 (0)
申論題 (7)
(a) What are the dimensions of the constants 5 and 3? (7%)
(b) What are the units of 5 and 3 in SI system? (8%)
(c) Derive an equation for distance in centimeters in terms of time in minutes. (10%)
【已刪除】 (a) Derive an expression for P
1
—P
2
in terms of
, h
1
and h
2
(15%)
(b) Suppose fluid A is methanol (p
A
= 792 kg/m
3
), B is water {p
B
= 1000 kg/m
3
)，and C is a manometer fluid with a specific gravity of 1.37; pressure P
2
= 121 kPa; h
1
= 30 cm; and h
2
= 24 cm. Calculate Pi (kPa). (10%)
【已刪除】3. An aqueous potassium nitrate solution containing 60 wt% KNO
3
at 80°C is fed to a cooling crystallizer in which the temperature is reduced to 40°C. Determine the temperature at which the solution reaches saturation and the percentage of the potassium nitrate in the feed that forms crystals. (30%)
4. Calculate the heat required to raise 200 kg of nitrous oxide from 20°C to 150°C in a constant-volume vessel. The constant-volume heat capacity of N2O in this temperature range is given by the equation C
v
(kJ / kg • °C) = 0.855 + 9.42 x lO
-4
T where T is temperature in °C. (20%)
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, h1 and h2 (15%)
