Name the most important factor that affects the wind pressures on building surfaces.
What will be an ideal response?
Wind speed.
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The modern annual production per laying hen is _____ eggs
a. 112 c. 315 b. 232 d. 480
A starter on a vehicle is to be tested for current draw while cranking the engine. Technician “A” says the battery’s state-of-charge and capacity must be tested before a valid starter test can be performed. Technician “B” says that if a battery has less than a 75% charge (specific gravity 1.230 or less) it cannot be used for a starter current draw test. Who is correct?
a. Technician A b. Technician B c. Both Technician A and B d. Neither Technician A nor B
Why is testing and balancing an important part of HVACR residential systems?
A) Because HVACR systems are not as efficient as they were in earlier decades B) Because HVACR systems are the largest energy appliances in a residence and energy costs have increased C) Because it is the first and last step a technician must perform when working on HVACR systems D) Because all new home construction must be certified
In a basic AC circuit, the ____ can be an AC generator or a circuit that generates an AC voltage.
A. AC source B. conductor C. resistive load D. capacitor