Heavy plate and castings have a _____
A) high quenching temperature B) low preheating temperature
C) low carbon content D) high heat-absorption capacity
D
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Ms. Smithson has 265 acres that she sprays with 1 quart of an herbicide in 9.25 gallons of water per acre. Ms. Smithson determines that 26 fluid ounces of liquid are coming out of each nozzle per minute. Her sprayer is a 60-foot boom sprayer with nozzles 20 inches apart and is equipped with a 300-gallon tank. It takes 15 percent of the spraying time to fill the sprayer tank.
a. How fast does Ms. Smithson need to drive to apply the proper amount of spray per acre? b. How many hours does it take to spray the 265 acres?
A resistance transducer has a resistance of 250 ohms and a gauge factor of 2.2. It is bonded to an object to detect movement.
Determine the change in resistance of the strain gauge, if it experiences a strain of 
due to the change in the size of the object.
What will be an ideal response?
The purpose of the hooks of a roof ladder is to ____.
a. secure the tip of the ladder to the peak of a pitched roof b. provide safe attachment points for the fire fighters working on the ladder c. prevent the butt of the ladder from slipping or shifting d. grip the eave of the roof to keep the ladder from slipping
A misaligned connecting rod causes what type of engine wear?
A) Cylinder taper B) Diagonal wear on the piston skirt C) Barrel-shaped cylinders D) Ridge wear