A hand is a measurement in the horse industry equal to _____
A) 3 inches
B) 4 inches
C) 6 inches
D) 8 inches
B
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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
A CAD operator realizes that it takes 36 minutes to plot a drawing. How long in hours will it take to plot 30 hard copies of the same drawing?
What will be an ideal response?
Measurements for ____ and the building industry are usually given in feet and inches.
A. manufacturing industries B. structural work C. mass production D. research
When an evaporator coil gets dirty:
A) The static pressure drop across the coil increases. B) The static pressure drop across the coil decreases. C) The temperature drop across the coil decreases. D) The thermostatic expansion valve feeds more refrigerant to compensate.