What is hot-dip galvanizing?
What will be an ideal response?
In hot-dip galvanizing, the steel component to be protected is dipped in molten zinc tank and then removed to cool down. This process forms a zinc-steel alloy, where zinc chemically bonds to steel. Zinc protects steel from corrosion.
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When bulbs die back, summer annuals can be planted to replace the color
Indicate whether the statement is true or false
Technician A says that a good relay should measure between 60 and 100 ohms across the coil terminals. Technician B says that OL should be displayed on an ohmmeter when touching terminals 30 and 87. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Which gas is generally considered to be the rich indicator? (The higher the level of this gas, the richer the air-fuel mixture.)
A) HC B) CO C) CO2 D) O2
What is the primary way a convector heats a room?
A) By radiating heat into the space B) By releasing microbursts of steam into the room C) Through natural convection along the outer walls D) By absorbing the cold in the room