Larger units often use two supply blowers. If one of the blower motors fails due to opening of theinternal overload switch which of the following is not true?a. The pressure drop across the supply filter will drop.b. The current draw of the remaining operating blower will increase.c. Measuring the voltage supplied to each blower will reveal which motor is not running.d. The inoperative blower will rotate backward.e. Measuring the current draw of each motor will identify which motor is running.