When a pressure gauge reads 60 psig, there is an absolute pressure of _____
A) 45.3 psia
B) 60 psia
C) 68 psia
D) 74.7 psia
Answer: D
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Answer the following statement(s) true (T) or false (F)
1. One advantage of low-voltage thermostats is that they are safer to use inside the home. 2. Dirt around an open-contact thermostat is usually a minor issue. 3. Thermostats are not currently designed to be used for both heating or cooling applications. 4. Many thermostats are designed to permit manual control of the blower fan. 5. The cooling anticipator is a resistive heating element that operates in an opposite sense to the heat anticipator.
Determine the toll charge to maximize revenues. Let T = toll charge.
A toll bridge carries 6,000 veh/day. The current toll is $3.50/vehicle. Studies have shown that for each increase in toll of 50 cents, the traffic volume will decrease by 500 veh/day. It is desired to increase the toll to a point where revenue will be maximized. What will be an ideal response?
A twisted pair circuit has wire with at least ________ turns per foot
A) 5 B) 24 C) 9 D) 12
How is the air volume affected by temperature?
What will be an ideal response?