212 [HM] Steam enters an insulated tank through a valve. At a given instant, the mass
of steam in the tank is found to be 10 kg, and the conditions at the inlet are measured as
follows: A = 50 cm2, V: 31 m/s, and p = 0.6454 kg/m3. Determine (a) dm/dt trea

311 [TN] The specic enthalpy (h) of an ideal gas is a function of temperature (I) only as can
be seen from Table D-3 for air. (a) Using the data from the table, determine the specic heat at
constant pressure (Cpl) of air at 400 K. (b) What-if Scenario: Wh

Unless otherwise stated, take the density of water to be
pw 2 1000 lutg/m3 and its specific weight to be 7, =
62.4 lb/ftB. Also, assume all pressures are gage pressures
2-13. The soaking bin contains ethyl alcohol used for
cleaning automobile parts. If th

*116. The tank contains 2 kg of air at an absolute pressure
of 400 kPa and a temperature of 20C. If 06 kg of air is added
to the tank and the temperature rises to 32C, determine the
pressure in the tank.
SOLUTION
For T1 : 20 + 273 : 293 K, p1 : 400 kPa an

CE 2375 Quiz No. 3 Sep. 19, 2016 Name (Print): go 1 MW
Name (Signature):
(10 points) Water enters a cylindrical tank through two inlets and leaves through a single exit as
shown below. The inlets and outlet are all circular pipes.
The conditions at the th

CE2375 I N.2 Se .12 2016 N P. t: l .
Qulz 0 p , ame( rm) 13 [W (Wk
Name (Signature):
(10 points) At the exit of a device, the following properties were measured
i) mass transport rate: 100 kg/s;
3
ii) volume flow rate: 3 m /s;
iii) specific flow energy (

CE2375 N.1 A .29,2016 N P't: - '
QUIZ 0 ug ame( rm) gok uf WV
Name (Signature):
A gas is compressed in a horizontal piston-cylinder device. At the start of compression, the pressure
inside is not known and the volume is 0.2 liter. Assuming that the pressu

CE 23 75 Intro. To Thermal Fluid Exam I Step; 26. 201'6
Name: Signature 30 [UL l I W
Student ID No. Seat Number |:
Problem 1 [10 points! The tube in the gure below is filled with water and water vapor. Determine the length of the
water column in the gure.

{1—1—7 [LIT— The £rictional force on a block of mass mg resting on a table [see
accompanying ﬁgure) is given as F = .rtN. where N is the normal reaction force from the
table. Determine the maximum value for tag that can be supported by friction. Assrnne
t

2—1—2 :HM: Steam enters an insulated tank through a valve. At a given instant, the mass
of steam in the tank is found to be 10 kg, and the conditions at the inlet are measured as
follows: A = 50 cmz, V: 31 and p = 0.6454 kg/m3. Determine (a) dm/dr treatin