Determine the maximum heating rate to the inner surface of the casting due to the release of heat of fusion in the molten iron.
The maximum heating rate will be that where the inner surface increases with time. Referring to Figure 10-25 and the sketch here shown, the maximum slope can be estimated.
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Snowstorms accompanied by high winds and low temperatures are called
a. blizzards. b. ice storms. c. hail storms. d. tornados.
A physical pendulum is composed of a disc whose center of gravity is attached to a thin rod. The disc has a moment of inertia of 1?2 MR2. The mass of the disc is 1.00 kg and has a radius of 40 cm. The length of the rod is 50.0 cm. The period of the physical pendulum is
A. 2.22 sec. B. 2.03 sec. C. 1.89 sec. D. 1.63 sec. E. 1.32 sec.
Most galaxies are spirals
Indicate whether the statement is true or false
What may have caused Mercury to have a large metallic core and a relatively thin crust?
a. a large impact b. tidal coupling with the Sun c. solar wind clearing the nebula d. a slow orbital period e. a long period of flooding