The coupling capacitor in CDA circuits is important because if its value is
A) too small the circuit gain will be increased. B) too large the circuit gain will be decreased.
C) too large the circuit gain will be increased. D) too small the circuit gain will be decreased.
D
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A tank contains CO2 gas at 25oC and 500 kPa. A valve on the tank is opened slightly so that the CO2 slowly exits the tank until the pressure inside the tank drops to 100 kPa. The volume of the tank is 0.25 m3. Determine the amount of heat transfer necessary so that the CO2 in the tank remains at 25oC throughout the process.
State e: Outlet; State 1: Initial State; State 2: Final State Given: CO2; Te = 25oC; V = 0.25 m3; P1 = 500 kPa; P2 = 100 kPa; T1 = T2 = 25oC Assume: As no information is given and these terms are unlikely to be significant, W = 0, and kinetic and potential energy can be neglected. No flow into the tank (mi = 0). CO2 is an ideal gas with variable specific heats.
The LIN bus voltage reads normal with the slave module disconnected, but then reads 0 volt when it is reconnected. What can be the cause?
A. The slave module has an internal short to ground. B. The circuit between the master and slave modules is open. C. The circuit between the master and the slave module is shorted to ground. D. The master module is faulty.
One ampere of current flowing for one hour is equal to one ___________.
a. volt b. watt c. ohm d. amp-hour
All of these are procedures that can help a service technician to diagnose engine faults, EXCEPT ________
A) Cylinder leakage test B) Compression test C) Fuel level test D) Vacuum test