An algae-based substance known as _____________________ acid is used in making tires, as an ingredient in ice cream, and in the manufacturing of paints
Fill in the blank(s) with correct word
alginic
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The second-order AR filter has feedback coefficients a1=0.9 and a2=0.5 (b0 = 1). When xi = sin(2?i/8), the value of y2 = ________(x.xx).
Analysis: x0=sin(0)=0, x1=sin(?/4)=0.707, x2=sin(?/2)=1. yi = 0.9yi-1 +0.5yi-2 + xi. With zero initial conditions: y0=x0 =1 y1=0.9y0+x1=0.9(1) + 0.707 = 1.607 y2=0.9y1+0.5y0+x2 = 0.9(1.607) + 0.5(1)+ 1 = 2.9463 = 2.95
Cellular plastics with an integral skin are known as ____. ?
A. ?sandwich composites B. ?structural foam C. ?expanded plastics D. ?syntactic plastics
The proper electrode diameter for FCAW is related to the welding machine in use and the _____
a. pipe diameter b. metal thickness c. metal density d. preheat temperature
Technician A says that load-carrying ball joints should always have some play in them. Technician B says that follower ball joints should never have some play in them. Who is correct?
A. Tech A B. Tech B C. Both D. Neither