Why do some gas furnaces NOT require an electrical power supply?
A) No gas furnaces require electricity; they operate on gas.
B) They are ignited and extinguished manually with no thermostatic control.
C) The gas valve is operated with the voltage generated by the thermopile safety.
D) Once lighted, they never shut off.
C
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What is meant by the term equal service alternative?
What will be an ideal response?
The corner treatment to be used ____.
A. is the same regardless of edge type B. is not important in preventing water damage C. is never portrayed on the building elevations D. is sometimes shown in a special detail
Modern engines are called internal combustion engines since the fuels burn within the engine.
Answer the following statement true (T) or false (F)
Soils with thick horizons consisting mainly (> 30% by weight) of organic matter and that form in topographic depressions or low-lying places usually belong to the order ________
A) Alfisols B) Spodosols C) Histosols D) Vertisols E) Umbrasols