Which of these heating methods is most commonly used as a heat source in cold climates?
a. Kerosene heaters
b. Coal furnaces
c. Natural gas furnaces
d. Electric heaters
c
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An example of a back charge includes all of the following except _____.
a. providing labor and equipment to remove trash for another trade b. maintaining job site logs for individual trades’ safety inspections c. furnishing a pump to another contractor to remove trench water d. lending scaffolding to another contractor to complete their work
Which of the following indicates the start of the systemic circuit?
A) pulmonary trunk B) pulmonary arteries C) vena cavae D) ascending aorta E) cardiac veins
Technician A says a broken vacuum line can cause an EGR system malfunction. Technician B says a broken vacuum line can affect turbocharger operation. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
Refrigerant vapor removed from the oil travels directly to the
A) compressor suction. B) compressor outlet. C) cooler outlet. D) cooler suction.