Banding thicknesses run between _____.
a. 0.001"–0.005"
b. 0.005"–0.010"
c. 0.010"–0.015"
d. 0.015"–0.020"
d. 0.015"–0.020"
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A block foundation wall is 36" high and 45' long. Using standard 3/8" mortar joints, how many standard 8 × 8 × 16 concrete clocks are required provided there are no openings?
A) 137 B) 174 C) 166 D) 152
The transfer function of the fourth order lowpass filter is given by
Answer the following statements true (T) or false (F)
1. Good indoor environmental quality results in real economic benefit from productivity. These benefits should be included in life-cycle cost analysis. 2. Reducing load will reduce construction cost through smaller HVAC systems. However, there will generally be an offsetting cost for features required to effect the load reduction. 3. A proposed air conditioning system costs $3,000/ton. The capacity of a 1000-ton system is reduced by 50 tons through load management. The cost savings in HVAC will be $150,000. 4. If the average cost of electric is $0.10/kWh, and a cooling system uses 1.6 kW per ton of cooling, the cost of one ton-hour will be $0.10 × 1.6, or $0.16 per ton-hour.
A synchronous motor can be reconnected as a(n) ____ to provide faster stopping.
a. alternator b. DC generator c. regulator d. accelerator