Description : What type of meter is shown and what is the value of the quantity being measured for each meter in figure1-49?
Last Answer : a. A dc ammeter, 90 mA dc b. A dc voltmeter, 200 V dc c. An ac voltmeter, 4.6 V ac d. An ohmmeter, 400 ohms
Description : What is the quantity shown on the watt-hour meter in figure 1-46?
Last Answer : 5.945 megawatt-hours, or 5,945 kilowatt-hours, or 5,945, 000 watt-hours.
Description : What type of frequency meter is shown and what is the value indicated for each meter in figure 1-52?
Last Answer : A) Vibrating-reed, 60Hz. (B) Moving-disk, 58 Hz.
Description : What meter reading is shown on each multimeter in each part of figure 1-50?
Last Answer : (A) 410 mA dc; (B) 3.9 mA ac; (C) -22 V dc; (D) 600 V ac; (E) 1.4 V ac; (F) 1.9 kohms
Description : What electrical quantity is measured by a watt-hour meter?
Last Answer : Energy.
Description : If the insulation of a conductor was being measured in figure1-51 (A), would the reading indicate a good insulation?
Last Answer : Yes.
Description : What happens when a frequency meter is adjusted to the frequency of the signal being measured?
Last Answer : Power is absorbed by the frequency meter cavity; and a pronounced dip in power, at the output, will be observed.
Description : In a circuit such as that shown in figure 3-16, if R1 has a value of 50 ohms and R2 has a value of 250 ohms and the input signal has a value of +10 millivolts, what is the value of the output signal?
Last Answer : 60 millivolts.
Description : In a circuit such as that shown in figure 3-15, if R1 has a value of 100 ohms and R2 has a value of 1 kilohm and the input signal is at a value of + 5 millivolts, what is the value of the output signal?
Last Answer : 50 millivolts.
Description : . If the power distribution system shown in figure 2-22 uses selective tripping, what is the time delay rating for each of the circuit breakers shown?
Last Answer : CB1-long time delay; CB2, CB3-short time delay; CB4 through
Description : What electrical quantity is measured by a wattmeter?
Last Answer : Power
Description : What electrical quantity is measured by an ohmmeter?
Last Answer : Resistance.
Description : What electrical quantity is measured by a voltmeter?
Last Answer : Voltage.
Description : what is the reading in kwh of the electric meter shown in the exam figure below? -General Knowledge
Last Answer : 0631 is the reading in kwh of the electric meter shown in the exam figure below.
Description : If the fuse shown on the schematic (figure 3-10) opens, what lights will operate?
Last Answer : Only the brake lights.
Description : In the power amplifier shown in figure 2-10, what two signals are mixed to produce the output signal?
Last Answer : Local oscillator and coherent oscillator.
Description : How is amplification achieved in the circuit shown in figure 2-43?
Last Answer : By varying the amount of capacitance in the circuit
Description : A tape pack has gaps in the tape winding as shown in figure 2-5. What causes this condition?
Last Answer : Tape is loosely wound on reel.
Description : A tape pack is buckled and deformed as shown in figure 2- 4. What are three possible causes for this condition?
Last Answer : a. Reel has a distorted hub, b. tape wound over small particle deposited on hub, and c. tape wound on reel with tension increasing toward end of winding.
Description : A triode amplifier similar to the one shown in figure 1-19 has an Ebb -conditions, 1.5 milliamperes of current conducts through the tube. What w
Last Answer : +275 volts
Description : What effect does the internal resistance have on the rest of the circuit shown in figure 3-60?
Last Answer : Because of the 2-volt drop across the internal resistance, only 48 volts is available for the rest of the circuit.
Description : What is the total resistance of the circuit shown in figure 3- 60?
Last Answer : 25Ω
Description : What is the total resistance of the circuit shown in figure 3- 59? (Hint: Redraw the circuit to simplify and then use equivalent resistances to compute for RT.)
Last Answer : 4Ω
Description : What is the name given to the "picture" of a circuit such as the one shown in figure 3-2?
Last Answer : A schematic diagram.
Description : What happens to the path for current when S1 is open as shown in figure 3-2(A)?
Last Answer : The path for current is incomplete; or, there is no path for current with S1 open.
Description : Which connector should you use to connect the (a) power source and (b) load to the fuseholder shown in figure 2-12(A)?
Last Answer : a. Center connector b. Outside connector
Description : How is a series-type ohmmeter connected to the circuit being measured?
Last Answer : The ohmmeter is connected in series with the resistance to be measured.
Description : Six resistance each of value `r=5 Omega` are connected between points A, B and C as shown in figure. If `R_(1), R_(2)` and `R_(3)` are the net resista
Last Answer : Six resistance each of value `r=5 Omega` are connected between points A, B and C as shown in figure. If `R_(1), R_(2) ... 1:2:3` C. `5:4:3` D. `4:3:2`
Description : What would be the physical length of a tpical coaxial transmission line that is electrically one-quarter wavelength long at 14.1 MHz? A. 20 meters B. 3.51 meters C. 2.33 meters D. 0.25 meter
Last Answer : B. 3.51 meters
Description : 32 kmph 11.What is the weight per meter length of 52 kg Rail? a. 54.14 kg b. 50.25 kg c. 51.89 kg* d. 53.85 kg
Last Answer : c. 51.89 kg*
Description : In swept-frequency testing the impedance of a transmission line, what electrical characteristic is actually being measured?
Last Answer : Swr on the transmission line.
Description : How the ammeter’s effect on the circuit being measured is kept to a minimum?
Last Answer : The resistance of the ammeter must be much smaller than the circuit load.
Description : How does an ammeter affect the circuit being measured?
Last Answer : Since the ammeter is a resistor in series with the load, it increases the resistance of the circuit and lowers circuit current.
Description : A moving system force in analog instruments which ensures that the deflection of the pointer for a given value of measured quantity always has the same value
Last Answer : controlling force
Description : What value is indicated on the scale of an ac meter?
Last Answer : Effective value (rms).
Description : What value does a meter movement react to (actually measure) when measuring ac?
Last Answer : Average value.
Description : Find the equivalent resistance of the networks shown in Fig. 4.51 between the points A and B.
Last Answer : Find the equivalent resistance of the networks shown in Fig. 4.51 between the points A and B.
Description : The value of 'A' of Indian type W.C. shown in the given figure is: (A) 25 cm (B) 30 cm (C) 40 cm (D) 45 cm
Last Answer : (B) 30 cm
Description : The value of 'C' of Indian type W.C. shown in the given figure is: (A) 400 mm (B) 450 mm (C) 500 mm (D) 550 mm
Last Answer : (C) 500 mm
Description : The value of 'B' of Indian type W.C. shown in the given figure is: (A) 45 cm (B) 50 cm (C) 30 cm (D) 25 cm
Last Answer : (A) 45 cm
Description : What is the purpose of either 'setpoint module' (6000F090/030) shown in the illustration? EL-0094 A. Program the 'signal conditioner' as to how to vary its input. B. Supply 0 - 10 volts to ... . Obtain an input from the 'signal conditioner' and, if outside set limits, signals the 'annunciator'.
Last Answer : Answer: D
Description : hat establishes the value of the current that flows in the output of figure 4-43?
Last Answer : The frequency of the voltage input.
Description : Using the graph in figure 3-8, what is the approximate value of current when the resistance is 3 ohms?
Last Answer : 4 amperes.
Description : Using the graph in figure 3-7, what is the approximate value of current when the voltage is 12.5 volts?
Last Answer : 1.25 amperes.
Description : Examine the three capacitors shown below. What is the capacitance of each?
Last Answer : a. 26µF or 260,00pF b. 630pF c. 9600pF
Description : The draft of a trailed type implement can be measured using a) Brake dynamometer b) Torque meter c) Tension dynamometer d) Dial gauge Ans. c
Last Answer : Ans. c
Description : In a heterodyne-type frequency meter, what is the difference between the oscillator frequency and the unknown frequency?
Last Answer : Beat frequency.
Description : What type of meter movement reacts to voltage rather than current?
Last Answer : Electrostatic.
Description : What type of meter movement is the d’Arsonval meter movement?
Last Answer : A permanent-magnet moving-coil meter movement used in most electrical and electronic meters.
Description : If a switch must be checked with power applied, what type of meter is used?
Last Answer : A voltmeter.