What does the pressure drop across the coaxial coil tell the technician?
A) The water flow through the system
B) The amount of refrigerant charge
C) A pressure drop across the coaxial coil indicates a refrigerant restriction.
D) A pressure drop across the coaxial coil indicates a restriction in the water loop.
A
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Technician A says that when testing power steering pump pressure, the pressure gauge should be connected in the power steering return hose. Technician B says if the power steering pump pressure is less than specified, the pressure relief valve may be sticking. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
In recent years the annual productivity of slash-and-burn systems has tended to decline over that achieved by the traditional shifting cultivation systems of the past. To what is this decline most likely due?
A) reduction in the C/N ratio of the soil organic matter B) reduction in the use of fertilizers C) increase in the period of food production in a given cycle D) failure to grow legumes in the cropping system E) decrease in the length of the fallow period
Who provides essential safety equipment for employees?
A. insurance company representatives B. OSHA representatives C. employers D. the employees
?Bilateral tolerances are characterized as equal and unequal, while unilateral tolerances are characterized as ____.
A. ?normal and tangential B. ?inside and outside C. ?obtuse and oblique D. ?nominal and standard