Masonry formed of stones cut accurately to rectangular faces and laid in regular courses with thin mortar joints is called natural stone
Indicate whether the statement is true or false
False
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Those who enjoyed a successful political career in the post-Civil War decades were usually
A. reformers. B. incorruptible. C. party loyalists. D. political independents and gadflies. E. politicians who did not rely on Civil War veterans or their fraternal organizations for support.
R-134a enters an insulated diffuser at a velocity of 200 m/s at a pressure and temperature of 800 kPa and 60°C, respectively. The R-134a exits at 1.60 MPa and 85°C. Determine the exit velocity.
Given: R-134a: P1 = 800 kPa; T1 = 60°C; V1 = 200 m/s; P2 = 1,600 kPa; T2 = 85°C Insulated, so assume, Q?=0 What will be an ideal response?
Answer the following with regard to the TTT diagram of a steel of eutectoid composition, shown in Fig. 18.13, and assumed that the specimens involved in the various cooling paths were cut from a thin sheet and austenitized at 750°C before cooling. Describe the microstructure resulting from being:
(a) Cooled to room temperature in less than 1 second. (b) Cooled to 160°C in less than 1 second, and then maintained at this temperature for several years. (c) Quenched to 650°C, and held at this temperature for 1 day, then quenched to room temperature.
Using the diagram, determine the measure of ?6.
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Fill in the blank(s) with the appropriate word(s).