What types of fluids are used for secondary loop systems?
What will be an ideal response?
The lowest temperature freezing loops often use a water-based inhibited Potassium Formate salt
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Which alternator component would most likely be damaged after the batteries were connected with reverse polarity?
A. Brushes B. Field coil C. Stator windings D. Rectifier diodes
The thermal efficiency is nearest:
An engine operates on a diesel cycle with a compression ratio of 20 between temperature limits of 25°C and 1400°C and an inlet pressure of 100 kPa. The power output is 500 kW.
A) 69%
B) 66%
C) 60%
D) 57%
? Identify and state the historical significance of Andrew Johnson.
What will be an ideal response?
How does the presence of 7 to 9 percent CO2 in flue gas reflect heating unit performance?
A) It indicates a possible gas leak. B) It indicates that the unit is running efficiently. C) It indicates the level of CO2 is neutral. D) It indicates a lack of efficiency.