If a low temperature evaporator is forming excess ice, which of the following could be a possible problem?
A. The evaporator fan motor is defective.
B. The unit is not staying in defrost long enough.
C. The defrost heater is defective.
D. All of the above are correct.
Answer: D
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The MOST-Likely method used to clean ferrous parts such as the block, heads, and sometimes crankshafts and connecting rods is:
A. soda blasting B. shot blasting C. abrasive cleaning D. bead blasting
Radiator cleaners used to remove rust and scale are alkaline.
Answer the following statement true (T) or false (F)
Answer the following statement(s) true (T) or false (F)
1. the noise from a defective rear drive pinion bearing may produce a high pitched whistling or whining sound that changes with driving mode (on or off the gas pedal) 2. In a differential with a gear ratio of 4:1, the drive pinion would revolve four times to cause the ring gear to rotate once. 3. the positive traction differential is designed to resist the tendency of one drive wheel to rotate without the other. 4. a non-hunting ring and pinion gear will have the same teeth on the pinion touch the same teeth on the ring gear each revolution. 5. Backlash is the amount of movement between the tooth contact of two gears in mesh.
An RLC series circuit has an applied voltage of 240 volts. R = 48 ?, XL = 100 ?, XC = 36 ?, and Z = 80 ?. What is the voltage drop across the inductor?
A. 140 V B. 208 V C. 300 V D. 344 V