Compared to hot water heating coils, steam heating coils are
A) Mostly plastic materials rather than metal B) More complicated in construction
C) Physically smaller D) Physically larger
C
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Inside the dicot is a large _____________________ that develops into a young plant upon germination
Fill in the blank(s) with correct word
Tri-state buffers are commonly used to:
A) simultaneously connect multiple signals to a single bus line. B) sequentially connect multiple signals to a single bus line. C) perform the exclusive NOR operation. D) perform the AND operation.
One tool that can be used to check the alignment of two pulleys is a _____
a. dial indicator b. micrometer c. ruler d. tachometer
Answer the following statement(s) true (T) or false (F)
1. In full storage ETS systems, all energy used during the subsequent on-peak period is purchased and stored during the peak cycle. 2. The term “hydronic heat pump” always refers to a heat pump that delivers heat to a flowing stream of water. 3. The heating capacity of the heat pump drops rapidly with increasing source water temperature. 4. It is not advisable to maintain water flow through the condenser whenever the heat pump is operating. 5. The decision to use a wood-fueled boiler involves a time commitment much more demanding than for conventional heat sources operating on natural gas, propane, fuel oil, or electricity.