Explain how you would repair a hazy firebox or smoking stack.
What will be an ideal response?
Hazy fireboxes often occur when insufficient excess air is going into the firebox or the fuel air-mixing ratio is incorrect. These will need to be adjusted in order to fix the system.
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Sketch a typical (a) control joint in a slab-on-ground, (b) construction joint in a slab-on-ground, (c) isolation joint in a slab-on-ground, and (d) prestressing strand.
What will be an ideal response?What will be an ideal response?
Fill and ____________________ pipes should be pitched toward the tank opening to prevent the formation of oil traps.
Fill in the blank(s) with the appropriate word(s).
What should you never do to a person who is receiving an electrical shock?_____________________________________________________________________
What will be an ideal response?
Two systems have impulse responses, 
. If these two systems are connected in cascade, find the response y (t) of the overall system to the excitation x(t) = ?(t) .
What will be an ideal response?