How is a concentric vent used in a high-efficiency furnace?
A) It allows the vent pipe to combine with condensate drainage.
B) It allows a single outdoor exit point for the vent and combustion air pipe.
C) It directs the combustion air pipe to an outdoor exit.
D) It creates two close exit points for the vent pipe and combustion air pipe.
B
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Determine the height of gage blocks required to set an angle of 52.1o on a 10'' sine bar. Give your answer to the nearest thousandth inch.
A. 7.891 B. 8.557 C. 7.678 D. 6.700
What is the purpose of the "wedding order form"?
What will be an ideal response?
The subsequent problems deal with the circuit shown below. Assume that the diode is ideal (i.e., has a 0V forward bias voltage) and the capacitor has no charge initially. Assume R1 = R2 = R.
Immediately after the power is applied (i.e., the circuit is not in steady state yet), what is the magnitude of the voltage across R1 if Vdc < 0?
A. |Vdc| B. 0 V C. |Vdc| / 2 D. 2|Vdc| E. |Vdc| / 3
A socket set is an integral part of a technician's tool box because ____.
A. the extension allows easier access to nuts/bolts in tight locations B. the ratchet handle can loosen and tighten a nut or hex head bolt with minimal movement C. there are multiple sockets that can be interchanged easily to accommodate many different size nuts and bolts D. all of the above