What is the common sensing element used in an electronic thermostat?
A) A bimetal B) A mercury bulb
C) A silicon-controlled rectifier or SCR D) A thermistor
D
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The LOW logic level for standard TTL input cannot exceed ________
A) 5V. B) 0.4V. C) 0.8V. D) 0.0V.
When brazing larger joints, _____
A) a 95% tin/5% antimony solder is the best choice B) use a soldering flux to make it easier to reach the needed temperature C) small sections of the joint can be heated and brazed D) use only a single orifice torch tip
A technician has two fluids: one with a viscosity of 17 seconds in a Zahn viscosity cup, and the other with a viscosity that is double that of the first. How long will the second fluid take to flow through the same viscosity cup?
What will be an ideal response?
Which of the circuits in Fig. 3.82 is planar? For the planar circuit, redraw the circuits with no crossing branches.
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