Mechanical beveling does not leave the _____ commonly left by thermal methods.
a. same angle
b. burrs
c. pitting
d. oxides
d. oxides
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What is meant by bidirectional tunneling? Why do you need HA–FA in addition to the HLR–VLR pair? Explain clearly.
What will be an ideal response?
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¿Qué porcentaje promedio del costo total de un proyecto le corresponde a la instalación de aislamiento?
a. 10 %. b. 1 %. c. 11 %. d. 5 %.
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Fins are added to tubes because:
a. thin material transfers heat better b. fins create turbulence c. fins enhance laminar flow d. a & b
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What spacing criterion is applied to stepping-stones?
a. comfortable for use by a child c. spaced for a natural stride pattern b. avoid irregular shapes and sizes d. one-half an average adult's height
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