The disease associated with the Salem witch trials is:
a. scab c. blast
b. rust d. ergot
D
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Beginning forestry ____ have completed a one- or two-year postsecondary program
A) technicians B) professionals C) ?loggers D) operators
Calculate the following:
A 120 V (rms), 60 Hz source is connected to a full-wave bridge. The load is an arc welding machine that can be represented by a resistance of 1 ? in series with an inductive reactance of 3 ?. At a triggering
angle of 60o, the current of the load is continuous.
a. Average voltage across the load
b. Average voltage across the resistive element of the load
c. Average current of the load
The two types of taper attachments are the:
A) Plain and telescoping B) Standard and interlocking C) Common and collapsing D) Ordinary and sliding
Technician A says that solvents with a flash point below 140°F (60°C) are combustible. Technician B says that solvents with a flash point above 140°F (60°C) are flammable. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B