More than _____ of all dairy cows in the United States are found in herds of 100 head or more
a. one-third c. three-fourths
b. one-half d. one-fifth
C
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Variable refrigerant flow systems operate more efficiently with ________ installed outdoor unit capacity by shifting the heating and cooling to where it is needed
A) smaller B) full C) larger
Technician A says that the use of premium high-octane gasoline in an engine designed to use regular-grade gasoline will increase engine power. Technician B says that flexible fuel vehicles are designed to operate on gasoline or gasoline-ethanol blends up to 85% ethanol. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Unlike other types of systems, geothermal systems do not lose capacity as the air temperature drops because:
A) They extract air from the ground, which is at a stable temperature. B) They extract air from the ground, which is at a variable temperature. C) They extract heat from the ground, which is at a stable temperature. D) They extract water from the ground, which is at a variable temperature.
The steering knuckle on a rack-and-pinion system is very similar to the parallelogram system.
Answer the following statement true (T) or false (F)