Rocks are found on the surface of another planet which appear to have once been transformed at high temperatures and pressures deep within the planet. Given this, they are most likely to be classified as
A) igneous
B) meteoritic
C) sedimentary
D) metamorphic
D
You might also like to view...
A ray of light traveling in air makes a 63.0° angle with respect to the normal of the surface of a liquid. It travels in the liquid at a 39.2° angle with respect to the normal
Find the critical angle for total internal reflection for this interface.
Galileo's use of inclined planes allowed him to effectively
A) slow down the ball's changes in speed. B) reduce the time of the ball's changes in speed. C) eliminate all changes in speed. D) eliminate friction.
Perfect absorbers of electromagnetic radiation are also perfect emitters
a. True b. False Indicate whether the statement is true or false
The 1-m-long, tube-within-a-tube heat exchanger, as shown in the sketch, is used to condense steam at 2 atmospheres in the annulus. Water flows in the inner tube, entering at 90°C. The inner tube is made of copper with a 1.27 cm OD and 1.0 cm ID. (a) Estimate the water flow rate required to keep its outlet temperature below 100°C. (b) Estimate the pressure drop and the pumping power for the water in the heat exchanger, neglecting inlet and outlet losses.
GIVEN
? Tube-within-a-tube condenser
? Cooling water flowing in the inner tube
? Steam at 2 atm condensing inside the annulus
FIND
(a) Coolant water flow rate to maintain coolant outlet temperature below 100°C
(b) Coolant pressure drop and pumping power
ASSUMPTIONS
? Steady conditions
? The heat exchanger is horizontal
SKETCH
PROPERTIES AND CONSTANTS
From Appendix 2, Table 13, the properties of water at 2 atm are
