The majority of nematodes that attack turfgrass are __________
A) exoparasites
B) periparasites
C) ?ectoparasites
D) endoparasites
C
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Threads that are used as fasteners are commonly referred to as:
a. fastener threads b. screw threads c. bolt threads d. taps
The harder a lead is, the darker the line it will make
Indicate whether the statement is true or false
Technician A says that a wire brush is used mainly on aluminum engine parts. Technician B says that a wire brush is used mainly on cast iron engine parts. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
An inductive load consists of a resistance and an inductive reactance connected in series. The circuit is excited by a full-wave ac/dc SCR converter. The ac voltage (input to the converter) is 120 V (rms), and the circuit resistance is 5 ?. At a triggering angle of 30o, the load current is continuous. Calculate the following:
a. Average voltage across the load b. Average load current c. rms voltage across the load