... dark because of the costs of
compliance. The costs to comply with Sarbox can be several million dollars, which can be a large
percentage of a small firms profits. A major cost of going dark ... = $25
Solutions Manual
Fundamentals of Corporate Finance 8
th
edition
Ross, Westerfield, and Jordan
Updated 03-05-2007
B-28 SOLUTIONS
Market-to-book ratio ... costs of raising funds in the public market.
5. The treasurer’s office and the controller’s office are the two primary organizational groups that
report directly to the chief financial officer....
... Dimensions, thermal conductivity and surface temperatures of a concrete slab. Efficiency
of gas furnace and cost of natural gas.
FIND:
Daily cost of heat loss.
SCHEMATIC:
ASSUMPTIONS:
... if the thickness of the glass were doubled to match that of the air space. The
principal advantage of the double pane construction resides with the low thermal conductivity
of air (~ 60 times ... emissivity and temperature of a surface placed in a large, evacuated
chamber of prescribed temperature.
FIND: (a) Rate of surface radiation emission, (b) Net rate of radiation exchange between
surface...
... and thermal conductivity of steel tubes. Temperature of steam
flowing through the tubes. Thermal conductivity of insulation and emissivity of aluminum sheath.
Temperature of ambient air and surroundings. ... C.
=
<
COMMENTS:
Use of the critical insulation thickness in lieu of a thin coating has the effect of
reducing the maximum insulation temperature from 778.7
°
C to 318.2
°
C. Use of the critical insulation
thickness ... r
in,o
up to a value of 13 mm (t = 12
mm).
COMMENTS:
The contact resistance affects the temperature of the wire, and for
g,max
qE
′′
=
4.51W / m,
=
the outer surface temperature of the wire is T
w,o
...
... guesses.
(2) Note that the rate of heat transfer by convection to the top surface of the rod must balance the rate of
heat transfer by conduction to the sides and bottom of the rod.
NOTE TO INSTRUCTOR:
... is
abcde
qqqqqq
′′′′′′
=++++
or in terms of conduction terms between nodes,
123457
qqqqqqq.
′′′′′′′
=+++++
Each of these rates can be written in terms of nodal temperatures and control volume ... as well as the rate of heat transfer by convection to the surface.
COMMENTS:
(1) Using the matrix-inversion method, the exact solution to the system of equations (1,
2, 3) of part (a) is T
1
...
... form of the FDEs for the
interior nodes. Use space and time increments of 37.5 mm and 1.2 s, respectively, for a 17-node
network. For the surface node 00, use the FDE derived in Section 2 of the ... at 1000
°
C (instead of a net radiant flux).
FIND:
(a) The temperatures T(0, 120 s) and T(0.15 m, 120s) using the finite-element software FEHT
for a surface emissivity of 0.94 and (b) Plot the ... steady-state temperature.
(2) Both the FEHT and IHT methods of solution give identical results. Their steady-state solutions
agree with the result of an energy balance on a time interval basis yielding...
... and emissivity of Nichrome wire. Electrical
current. Temperature of air flow and surroundings. Velocity of air flow.
(a) Surface and centerline temperatures of the wire, (b) Effect of flow velocity ... and thermal conductivity of steel pipe. Temperature of water flow in
pipe. Temperature and velocity of air in cross flow over pipe. Cost of producing hot water.
(a) Cost of daily heat loss from ... Time to come within 10
°
C of steady-state temperature, (c)
Variation of power dissipation required to maintain a fixed heater temperature of 275
°
C over a range of
velocities.
Uniform heater...
... conductivity of steel pipe. Temperature and velocity of water flow
in pipe. Temperature and velocity of air in cross flow over pipe. Cost of producing hot water.
FIND:
Daily cost of heat loss ... temperature of tubes used to heat ambient air. Flowrate and
inlet temperature of air.
FIND:
(a) Air outlet temperature and heat rate per tube, (b) Effect of flowrate on outlet temperature.
Design ... length. Pressure of
saturated steam.
FIND:
Outlet temperature and pressure of air. Mass rate of steam condensation.
SCHEMATIC:
ASSUMPTIONS:
(1) Steady-state, (2) Outer surface of annulus is adiabatic,...