The __________ is the most popular heat source used by air conditioning, heating and refrigeration technicians.
A. air-acetylene torch
B. MAPPTM gas torch
C. propane gas torch
D. oxy-acetylene Torch
Answer: A
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Los receptáculos ubicados sobre una encimera de cocina se deben montar de modo que ningún punto de la encimera quede a más de _____ de ningún receptáculo.
a. 6 pulgadas (15,24 cm) b. 12 pulgadas (30,48 cm) c. 24 pulgadas (60,96 cm) d. 30 pulgadas (76,2 cm)
The most common conductors used for light and power installations range from _____.
a. 1/0 to No. 11 AWG b. 2/0 to No. 12 AWG c. 4/0 to No. 14 AWG d. No.16 AWG to No. 18 AWG
Critics contend that the nutritional value of organically grown food is _____
a. lower than conventionally-grown food b. higher than conventionally-grown food c. about the same as conventionally-grown food d. cannot be determined
Which of the following determines the quality of semen collected from an animal?
a. Number of sperm in semen b. Activity level of the sperm c. Shape of the sperm d. All answers