Unless otherwise specified, a weld ___________________________________ the thickness of the parts at the joint.
Fill in the blank(s) with the appropriate word(s).
penetrates through
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____ is the ease with which a metal will crack or break apart without noticeable deformation.
A. Hardness B. Brittleness C. Toughness D. Strength
Traffic flow on a section of a two-lane highway can be described by the Greenshields model, with a mean free speed of 55 mph and a jam density of 145 veh/mi/ln. At the time when the flow was 90% of the capacity of the highway, a large dump truck loaded with heavy industrial machinery from an adjacent construction site joins the traffic stream and travels at a speed of 15 mi/hr for a length of 3.5 mi along the upgrade before turning off onto a dump site. Due to the relatively high flow in the opposite direction, it is impossible for any car to pass the truck. Determine how many vehicles will be in the platoon behind the truck by the time the truck leaves the highway.
What will be an ideal response?
The blooms of the cotton plant are ____________________ flowers in that they have both pollen-bearing stamens and ovaries
Fill in the blank(s) with correct word
Why is superheat important to a refrigeration system?
a. It provides a safety margin in the TEV operation to prevent flooding the compressor. b. It provides a necessary function to fully utilize the evaporator for absorbing heat. c. It will make sure the compressor will operate properly. d. Superheat is required by the Evaporator Manufacturing Association.