Explain what stirrups in a reinforced concrete beam are and their function.
What will be an ideal response?
Stirrups are vertical loops made of steel bars that are placed along the length of a reinforced concrete beam. Their purpose is to increase the shear strength of beam.
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The dangerous proviso that Germany attached to its Sussex pledge not to attack unarmed neutral shipping was the requirement that
A. Americans would have to refrain from sailing on British-owned passenger ships. B. U-Boats could capture merchant vessels if the submarines surfaced. C. the Americans would have to guarantee that passenger vessels were not secretly carrying military supplies. D. the United States would have to persuade the Allies to end their blockade of Germany or submarine warfare would be resumed. E. Woodrow Wilson would have to seek a fair, negotiated settlement of the war.
During red blood cell development, what is the term given to the first anucleate cell?
A) reticulocyte B) erythrocyte C) myeloid stem cell D) hemocytoblast E) proerythroblast
The velocity pressure of air moving through ductwork is measured:
A) By subtracting static pressure from total pressure. B) By subtracting total pressure from static pressure. C) By taking the pressure with the open end of the tube facing the airstream. D) By holding the open end of the tube perpendicular to the air stream.
In the following figure, suppose that output A has a positive voltage, output C has a negative voltage, and outputs B and D have zero voltage. The rotor will turn clockwise 135 degrees if
A. Output A = B. Output B = C. Output C = D. Output D = E.