What are the constant quality lines?
What will be an ideal response?
The constant quality lines start at the bottom and extend upward toward the critical point located in top center of the saturation curve. These lines represent the percentage of vapor in the saturated refrigerant.
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Los reguladores utilizados en los cilindros de oxígeno se pintan generalmente de verde y siempre tienen _____ en todas las conexiones.
a. roscas a la izquierda b. pestillos de seguridad c. roscas métricas d. roscas a la derecha
Pipe joint misalignment is checked with a _____.
a. pipe extractor b. hi-lo gauge c. string line level d. drift pin
What kind of erosion takes place when topsoil is removed fairly evenly across a large area?
What will be an ideal response?
When using an architect's scale, which scale will require using the largest sheet of paper?
A. 1/4" = 1'0 B. 1/8" = 1'0 C. 1/2" = 1'0 D. 1" = 1'0