How can negative room pressure create a hazardous situation in a house with combustion appliances?
A) The gas pressure may be affected.
B) The appliances may burn excessively hot.
C) All the heat can be sucked out of the room through the vent.
D) Combustion products can spill into the house.
D
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Which of the following is not one of the main methods of membrane desalination?
A) reverse osmosis B) electrodialysis C) contact D) none of these
Steels alloyed with carbon and a low concentration of silicon and manganese are known as ____________________ steels.
Fill in the blank(s) with the appropriate word(s).
The ____________________ Act was passed in 1917, establishing Vocational Agriculture as a program in the public high schools
Fill in the blank(s) with correct word
The table of a universal milling machine:
A) Should be aligned before the vise is squared B) Should be aligned after the vise is squared C) Is no longer than that of a plain milling machine D) Cannot be accurately aligned