What is the function of stops on an extension ladder?
a. prevent collapse in the event of halyard failure
b. prevent the ladder from slipping on the ground
c. prevent overextension
d. lock the extended fly sections in place
Answer: c. prevent overextension
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The chemical most often used for pasteurization of greenhouse root substrate is _____________ It is used at the rate of ______ pound per cubic yard of substrate. It should not be used below a temperature of ____ oF. The treated root substrate should be covered for ____ days. It is then aerated for _____ days before handling. Seeds can be planted in it _____ days and cuttings ____ days after
aeration began. Fill in the blank(s) with correct word
Technician A says that the sum of the voltage drops in a series circuit should equal the source voltage
Technician B says the current (amperes) varies depending on the value of the resistance in a series circuit. Which technician is correct? A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The chamfer on the cutting end of a die:
A) Provides space for cutting fluid B) Is unnecessary C) Gives extra chip clearance D) Distributes the cutting action over a number of threads
One of the symptoms of heat stroke is _____.