Why do propane and butane gas furnaces require 100% shut off in the event of pilot outage?
What will be an ideal response?
Propane and butane gas are heavier than air and can collect in low places.
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Which factor will not increase the load's leverage?
a. Booming down b. Booming up c. Telescoping out d. Adding weight to the load
A micron gauge is used to measure ____.
A. atmospheric pressures at high altitudes B. atmospheric pressures at sea level C. absolute pressures below 1 mm Hg D. high pressure in a refrigeration system
The first agricultural society to publish results of agricultural experimental work, the ______, was formed in 1785
a. Boston Society for Agrarian Arts b. Concord Society for Farmers c. New Amsterdam Society for Promoting Farming d. Philadelphia Society for Promoting Agriculture
The chemical substances that stimulate organs into operation or cause chemical reactions are called _____________________
Fill in the blank(s) with correct word