When is the best time to prune flowering plants?
What will be an ideal response?
In general, flowering plants should be pruned just after they bloom, or produce flowers. This is done
so that the next season's flowering wood is not cut off.
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Horizontal-circle scales on a transit that are marked from 0 to 360 degrees are usually numbered each _____.
a. 5 degrees b. 10 degrees c. 45 degrees d. 60 degrees
The low voltage panel enclosure should be installed _____.
a. after the switch points are installed b. in the upper right hand corner of the high-voltage panel c. at eye level between two studs d. after all relays have been tested
Technician A says that a low-restriction exhaust system could prevent a back pressure-type vacuum-controlled EGR (Exhaust Gas Recirculation) valve from opening correctly. Technician B says that a restricted exhaust can cause the EGR valve position sensor to fail. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
An air conditioning system charged with R-410A is operating with a suction pressure of 130 psig which equates to a 45°F saturation temperature. If the manufacturer calls for a 15°F superheat, what should the suction line temperature be?
A) 45°F + 15°F = 60°F suction line temperature B) 45°F - 15°F = 30°F suction line temperature C) 130 psig + 15°F = 190°F suction line temperature D) 130 psig - 15°F = 115°F suction line temperature