The name of the process used to pour molten metal into a mold is called:
A. extrusion
B. casting
C. metallurgy
D. forging
Answer: B
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Se debe preparar un informe de inspección escrito, fechado y firmado _____.
a. diariamente b. semanalmente c. mensualmente d. anualmente
Which of the following is an example of an application where double-sideband, full-carrier (DSBFC) AM would be used?
A. Marine and citizens band (CB) radios B. Military services C. Aircraft-to-tower communication D. Amateur (ham) radios
PSIG indicates ____.
A. pounds per square inch absolute gravity B. pounds per square inch absolute gage C. pounds per square inch of pressure absolute D. pounds per square inch of gravity
A continuous-time unity-gain (tracking) feedback system has a forward-path transfer function with exactly one pole at the origin of the s-plane.
(a) Describe in as much detail as possible the steady-state error signal in response to a step excitation. (b) Describe in as much detail as possible the steady-state error signal in response to a ramp excitation.