Of the various types of drain systems, open ditch systems are most practical and economical for use on ________
A) soils which do not freeze during the winter
B) clay soils with poor drainage
C) soils with a deep water table
D) Vertisols
E) poorly drained soils with sandy profiles
E
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A fluorinated refrigerant whose number starts with a 1 is:
A) A compound. B) Zeotropic. C) Azeotropic. D) Flammable.
If the input pulse to an RC differentiator is very short compared to the circuit's time constant, the differentiator's output is ________
A) zero volts B) a dc voltage equal to the peak input voltage C) a dc value of about half the peak input voltage D) a square wave very similar to the input voltage
Briefly describe modular cabinets:
What will be an ideal response?
When testing an SCR with an ohmmeter by placing the negative lead on the cathode and the positive lead on the gate results in a low resistance reading, this would indicate that the SCR is __________.
A. good B. bad C. inconclusive D. none of the above