What is soft foot?
What will be an ideal response?
Soft foot refers to the condition that exists when the feet of a machine do not equally support its weight. It can be compared to a chair with one short leg; the consequence is that the chair rocks.
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Poisson’s ratio ? is a material property and is the ratio of the lateral strain and the longitudinal strain for a member in tension. For a homogeneous, isotropic material, the modulus of rigidity G is related to Young’s modulus as Using the tabulated values of G and E in Table A–5, calculate Poisson’s ratio for steel, aluminum, beryllium copper, and gray cast iron. Determine the percent difference between the calculated values and the values tabulated in Table A–5.
What will be an ideal response?
Mortar performance is greatly influenced by the choice and amount of cement materials in the mix.
Answer the following statement true (T) or false (F)
Answer the following statement(s) true (T) or false (F)
1. Packaged variable speed drives generally operate on AC. 2. The AC service in industrial plants can not be converted to direct current for use with DC variable-speed controls. 3. The field of the DC generator can be reversed manually or automatically with a resulting reversal of the motor rotation. 4. A controlling tachometer feedback signal may be driven by the DC motor driveshaft. 5. The generator field resistance can be changed manually or automatically by latching relays.
In the diagram, triangle ABC is congruent to triangle DEF. If side AC is equal to 12 inches, side AB is 9 inches and Side BC is 8 inches. What is the measure of DE?
Fill in the blank(s) with the appropriate word(s).