On a system with a fixed metering device, an excessive amount of oil in the system can cause _____
a. a shortage of refrigerant in the evaporator
b. excessive lubrication
c. low superheat values
d. refrigerant floodback
a
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What is the most frequently used tool of the landscape designer?
a. T-square c. drawing pencil b. drawing board d. ruler
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Poor plant growth in a well-drained irrigated soil in an arid region (pH=8.0 ) is most likely due to ________
A) phosphate toxicity B) calcium toxicity C) molybdenum deficiency D) iron deficiency E) manganese toxicity
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Obtain the transfer function of the op amp circuit in Fig. 16.112 in the form of  figure 1.png)
where a, b, and c are constants. Determine the constants.
 figure 1.png)
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The servo valve should be left fully ____ before it is disconnected or the rig is shut off.
A. open B. closed
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