You are working with a soil colloid known to have a reasonably high potassium level, a cation exchange capacity of about 20 cmolc/kg of clay and little tendency to swell when wetted. Which of the following is it most apt to be the dominant clay mineral in this soil?
A) smectite
B) vermiculite
C) humus
D) kaolinite
E) fine-grained mica
E
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Technician A says that an inaccurate bimetallic gauge could be caused by a faulty instrument voltage regulator. Technician B says that an inaccurate bimetallic gauge could be caused by excessive resistance in the associated wiring harness. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Southerners feared the Tariff of 1828 because
A. it would hurt their growing manufacturing sector. B. this same use of the power of the federal government could be used to suppress slavery. C. it might hurt Andrew Jackson's political career. D. they were convinced that it would destroy the American woolen industry. E. it could damage the chances of the American System's success.
Answer the following statement(s) true (T) or false (F)
1. No one knows when the first battery was invented. 2. John Daniell did experiments in an attempt to improve the voltaic battery. 3. Primary cells are used for storage batteries. 4. A lead acid battery changes its chemical properties in different states. 5. A battery is typically rated in ohms.