While performing a three minute quick charge test (at rate of 30 to 40 amps). battery terminal voltage rises above 15.5 volts. what action should the technician take? A. Fill with distilled water and retest
B. Lower charging rate
C. Increase charging rate
D. Replace battery

Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]