What is the minimum distance between conduits in a junction box straight through pull? A. 6 times the diameter of the largest raceway B. 8 times... C. 10 times... D. 12 times...
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What is the minimum distance between conduits in a junction box straight through pull?
A. 6 times the diameter of the largest raceway
B. 8 times...
C. 10 times...
D. 12 times...
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- Fill the blanks with suitable following terms (AND gate, Potential Transformers (PT), cathode ray oscilloscope CRO, electronic switch Current Transformers (CT), DC component, cathode ray tube (CRT), AC component, electron.gun. 1.The heart of a ............is the................. the electron beam is generated, accelerated, and deflected in accordance with the input signal. 2. Power measurements in high-voltage high current circuit can be effectively done by the use of...and.. ...in conjunction with conventional wattmeter. 3. The sig ...ose frequency is to be measured is converted into a train of pulses (Using Comparator for example), one pulse for each cycle of the signal and applied continuously to an...A 4. In Average Responding Voltmeter, the AC signal is first applied to the blocking capacitor used at the input to block any..................in the input voltage. 5. Dual Trace Oscilloscope This CRO has a single.....................whose electron beam is split into two by an…Please choose the correct answer and explain if possible. Thank you. 4. The main terminal voltage across an ON conducting SCR depends on the instantaneous main terminal current in the following way: a. They are proportional b. The voltage increases as the current increases, but no quite proportionally c. The voltage increases as the current increases, by a squared (seond power) relationship d. They are virtually non-related 5. To turn Off a conducting SCR in a dc-powered circuit, it is necessary to: a. Interrupt (stop) the gate current b. Wait for the main terminal current to fall below IHO when the supply voltage crosses through zero c. Deliver a pulse of negative gate current via the gate lead d. Place a temporary reverse bias across the SCR’s main terminals 6. In a simple RC charging circuit used for trigger-control of an SCR, a good range of adjustment of the RC time-constant is: a. 1 to 5 msec b. 1 to 30 msec c. 0.1 to 10 msec d. 2 to 25 μsecQ.1: / (A) Fill in the blanks with appropriate words of the following choose only five: 1. The Magnetizing curve can be analyzed as 2. AC machines using AC supply but running slightly less than the synchronous speed are called ------. and 3. loss can be reduced by using core of thin laminations whereas the -------- loss can be minimized by using steel of high silicon content. 4. ---- gives the relation between the e.m.f. (E) actually induces in the armature and the armature current (Ia). 5. The induced e.m.f. acts in direction to the applied voltage V(Lenz's law) and in known as back e.m.f. Eb. 6. The torque developed in D.C motor depends on and ------
- Q1)Fill in the following blanks : 1.lonization coefficients a .y are functions of ....... 2.Time lag for breakdown is ...... 3.Streamer mechanism of breakdown explains the phenomena of electrical breakdown of ....... 4.Paschen's law states that ....... 5. Minimum sparking potential of air is about ....... 6.At standard temperature and pressure the electric field at which breakdown occur in air with a small gap d (cm) is given by .....help me in these questions pls write the questions with the and by (Computer) 1-Which of the following statements INCORRECTLY explain the label in the figure about LVDT working principles? a. Secondary coils are connected in series in such a way that their output is opposing each other. b. Constant DC voltage input to primary coil. c. Displacement moves ferrous rod from central position. d. The difference of the output voltage between the two secondary voltage.==========2- Explain the working principle of the measurement system in the figure below.i. Force input that is supplied to the sensor is processed to give the response in the form of raw output signal.ii. Signal conditioner manipulated the weak signal to give a conditioned input.iii. Analog or digital indicator display the unit that gives output reading of quantity being measured.iv. Measured value is compared with the input value for further action. a. ii, iii and iv only. b. i, ii and iv only. c. i, ii and…Q9/ Complete the blank Commutator in DC machine is made up of .....................................?
- write the specification of circuit breaker ? EXPLAIN IN DETAILSCan we select components voltage references randomly in order to write KVL? Why?3. Reversal of current in an armature coil as it crosses M.N.A. occur in ……. Process.4. ….… are most suited for stable parallel operation , because of their voltage characteristics are dropping.
- 2. The below figure shows the results of magnetic particles inspection experiment. What can you conclude from it? d) Discuss which hysteresis is better to be used with the AC generator in the airplane. e) In general, describe the structural, elasticity and electrical properties of copper and the PVC insulator (polymeric) with reference to their material properties. f) How metals and non-metals (ceramics and polymers) could be degraded?Please answer with step by step math for Zin, Zout, and the load voltage. Thank you!Please explain and show work for all parts, thank you :)