What temperature sensors are used with a commercial air handler?
A) Preheat and postheat sensors
B) Mixed air, supply air, and preheat sensors
C) Preheat, low-temperature, and high-temperature sensors
D) Mixed air and separated air sensors
B
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The terms of the Treaty of Guadalupe-Hidalgo (1848), ending the Mexican War, included
the banning of slavery from all territory ceded to the United States.
a guarantee of the rights of Mexicans living in New Mexico.
United States annexation of all the territory south of the Rio Grande.
the banning of slavery from all territory ceded to the United States.
a requirement that Mexico pay $3.25 million in damages to the United States.
United States payment of $15 million for the cession of northern Mexico.
A. ?
B. ?
C. ?
D. ?
E. ?
Give two reasons why society went from bio-based products to chemically based products.
What will be an ideal response?
The following volumes are calculated for a 4-cylinder engine. Use these values to calculate the compression ratio
Combustion chamber volume: 3.78 in^3 Head gasket volume: 0.44 in^3 Piston dish volume: 0.50 in^3 Deck volume: 0.22 in^3 Swept volume: 37.62 in^3 A) 8.8:1 B) 8.7:1 C) 8.9:1 D) 8.6:1
Why is it dangerous to use gauges only designed for R-22 on a R-410A system?
A) Because R-410a can dissolve the lining of the hoses used on R-22 systems B) Because the system pressures can exceed the design limit of the R-22 gauges C) Because R-410a and brass form an explosive new chemical compound on contact D) Because R-410a pressures are backwards from other types of refrigerant