Calculate the amount of natural gas that you need to burn to heat twenty gallons of water from room temperature at 70°F to 120°F to take shower if the water heater has an efficiency of: (a) 78 percent, (b) 85 percent, (c) 90 percent.
What will be an ideal response?
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What electrical principle is used by a non-contact type of throttle position sensor (TPS)?
A. inductive pulse generator B. potentiometer C. Hall-effect D. piezoelectricity
Why is the hot gas bypass valve in a refrigerated air drier called a pressure regulator?
What will be an ideal response?
Use mesh analysis to find mesh currents in Figure P3.29. Let R1 = 8?, R2 = 3?, R3 = 5?, R4 = 2?, R5 = 4?, R6 = 3?, V1 = 4V, V2 = 2V, V3 = 1V, V4 = 2V, V5 = 3V, V6 = 2V.
What will be an ideal response?
What could cause a false high reading for the supply-air temperature?
A) The temperature is taken with the blower on at the same time the heating elements are on. B) The temperature is taken with a probe inserted upside down. C) The probe is inserted in the supply plenum in a direct line of sight with the heating elements. D) The temperature is taken after the unit has been running for too long.