In selecting a hacksaw blade ________ teeth should be in contact with the material
being cut at all times.
A. 1-2
B. 2-3
C. 3-4
D. 4 or more
B
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The probe of a densitometer contains a(n) _____
A) photocell B) capillary tube C) oscillating vane D) magnetic field
One common method of factoring local weather conditions into estimates of heating energy use is based on heating ____.
a. prognostication b. thermometers c. historical records d. degree days
What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second?
a. 10Hz b. 20Hz c. 30Hz d. 40Hz
The subsequent problems deal with the circuit shown below. Assume that the diode is ideal (i.e., has a 0V forward bias voltage) and the capacitor has no charge initially. Assume R1 = R2 = R.
Immediately after the power is applied (i.e., the circuit is not in steady state yet), what is the voltage across R2 if Vdc > 0?
A. 2Vdc B. Vdc / 2 C. Vdc / 3 D. Vdc E. 0 V