What is a PTC heater and on what vehicles can it be found?
What will be an ideal response?
The PTC heater is a positive temperature coefficient electric heating element that is integrated into a conventional heater core used to supplement the comfort heating system to maintain passenger compartment at the desired temperature. The PTC heater is found on some hybrid and direct injection internal combustion engines either gasoline or diesel powered.
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What are some negative issues with the creation of the Initial Decision Maker (IDM) in the AIA A201-2007 document?
What will be an ideal response?
La ampacidad de cables extrarresistentes de 12 AWG con capacidad de aislamiento de 90°C es de:
a. 32 A. b. 35 A. c. 41 A. d. 47 A.
An ideal gas initially at 600 K and 10 bar undergoes a four-step mechanically reversible cycle in a closed system. In step 12, pressure decreases isothermally to 3 bar; in step 23, pressure decreases at constant volume to 2 bar; in step 34, volume decreases at constant pressure; and in step 41, the gas returns adiabatically to its initial state.
(a) Sketch the cycle on a PV diagram.
(b) Determine (where unknown) both T and P for states 1, 2, 3, and 4.
(c) Calculate Q, W, ?U, and ?H for each step of the cycle.
The basic equation describing the diffusion of one medium through another stationary medium is
(e) none of them