Plant roots gain access to soil water primarily by the growth of the roots into moist soil
Indicate whether the statement is true or false
FALSE
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Which of these is NOT a symptom of respiratory disease in rats?
A) rattled breathing B) pacing C) rubbing the eyes and nose D) nasal discharge
Answer the following statement(s) true (T) or false (F)
1. The pilot control device shuts down at a loss of power. 2. The phrases no-voltage drop-out, or two-wire control circuit should indicate a possible safety concern to the electrician, because a mechanically held closed pilot device could automatically restart the load motor when the power is restored. 3. A differential control device is a two position (on/off) switch that actuates when the measured medium reaches either of the two pre-determined extreme high or low range values, with a dead zone in between where the switch does not change states. 4. It is extremely uncommon to find differential switches for pilot devices in these motor control circuits. 5. Differential controls provide a mechanical means that acts like a mechanical holding circuit.
Technician A says that a cracked brake lining is OK as long as the thickness is more than 0.060 inch. Technician B says that weak hold-down springs can cause brake noise. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
To measure horizontal angles, the builder's-level telescope can be rotated _____
a. 90 degrees b. 180 degrees c. 270 degrees d. 360 degrees