Los dos tipos de zapatas utilizadas en las dobladoras hidráulicas son las zapatas______
a. de un solo accionamiento y por segmentos
b. concéntrica y de radio amplio
c. axial y radial
d. EMT y rígida
a. de un solo accionamiento y por segmentos
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A mobile crane configured for personnel hoisting should have all of the following features except _____.
a. one allowing freewheeling of the hoist drum b. boom-length indicator on a telescopic boom c. boom-angle indicator d. positive-locking outriggers
Often, it is better to remove the mill scale before welding rather than risking the production of ____.
A. corrosion B. fumes C. porosity D. waste
What is DNA? Why is it important? Name the scientists who fi rst described the structure?
What will be an ideal response?
If the sides of a triangle are 14 inches, 10 inches, and 13 inches, what is the perimeter of the triangle?
What will be an ideal response?