Agricultural mechanization was the single most important reason for increased food production in the 20th century.
Answer the following statement true (T) or false (F)
True
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These metals do not contain iron, such as copper and aluminum.
a. ferrous b. nonferrous c. alloys d. inorganic
Debe aislarse la parte superior plana de un tanque cilíndrico. Si el tanque tiene un diámetro de 16 pies (4,87 m), ¿cuántos pies cuadrados de aislamiento se necesitan?
a. 182 pies cuadrados (55,474 m²) b. 8 pies cuadrados (2,43 m²) c. 48 pies cuadrados (14,63 m²) d. 201 pies cuadrados (61,26 m²)
What causes a variable ratio steering gear to be able to change the ratio as the steering wheel is turned?
A) Using a variable length pitman arm B) Using two or three different sector gears depending on design C) Changing the length of the teeth on the sector gear D) Changing the number of teeth on the worm gear
Squareness, roundness, and flatness are characteristics of ____________________ on a technical drawing.
Fill in the blank(s) with the appropriate word(s).