Description : Noise at the input to the receiver can be as high as several A. microvolts B. milivolts C. volts D. kilo volts
Last Answer : A. microvolts
Description : A final amplifier of a radio transmitter draws 250 mA of plate current when the plate supply voltage is 1400 volts. If the plate circuit efficiency is 80% and the transmitter is connected to an antenna having a feed impedance of 70 ohms, ... at the feed-point? A. 4.0 A B. 2.2 A C. 1.25 A D. 2.0 A
Last Answer : D. 2.0 A
Description : A cantilever shaft has a diameter of 6 cm and the length is 40cm, it has a disc of mass 125 kg at its free end. The Young’s modulus for the shaft material is 250 GN/m2. Calculate the static deflection in nm. a) 0.001 b) 0.083c) 1.022 d) 0.065
Last Answer : a) 0.001
Description : In the illustrated circuit, what is the voltage of the battery if the resistance of R1 is 150 ohms, the total resistance is 250 ohms and the current though R2 is 25 milliamps? EL-0036 A. 12 volts B. 24 volts C. 1.5 volts D. 6.25 volts
Last Answer : Answer: D
Description : Voltage can be stepped up from 6 to approximately a) 10,000 volts b) 15.00 0 volts c) 20,000 volts d) 25,000 volts
Last Answer : c) 20,000 volts
Description : Express the ratio ` 1. 5` litres : 250 ml in the lowest terms.
Last Answer : Express the ratio ` 1. 5` litres : 250 ml in the lowest terms.
Description : What is 0.000 000 001 in words?
Last Answer : What is the answer ?
Description : The specific gravity of urine normally ranges from (A) 0.900–0.999 (B) 1.003–1.030 (C) 1.000–1.001 (D) 1.101–1.120
Last Answer : B
Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is A. 8.0 bit B. 2.0 bit C. 1.9 bit D. 2.1 bit
Last Answer : C. 1.9 bit
Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is a. 8.0 bit b. 2.0 bit c. 1.9 bit d. 2.1 bit
Last Answer : c. 1.9 bit
Description : A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poisson's ratio is 0.25, the change in the volume of the bar is: (A) 1.125 cm3 (B) 2.125 cm3 (C) 3.125 cm3 (D) 4.125 cm
Last Answer : (C) 3.125 cm
Description : On some electrical generating equipment one outboard bearing pedestal is insulated from the bedplate. To check this insulation with the machine assembled you should use a____________. A. millivolt meter and a jumper B. ohmmeter C. megohm meter D. high potential tester
Last Answer : Answer: A
Description : On some electrical generating equipment one outboard bearing pedestal is insulated from the bedplate. This should be checked with a millivolt meter and a jumper. With the millivolt meter connectd between ... then removed to take a second reading. This eliminates the insulating effect of the bearing.
Description : On some electrical generating equipment one outboard bearing pedestal is insulated from the bedplate. To check this insulation with the machine assembled you should use a____________. A. ohmmeter with the ... C. megohm meter with the machine running D. voltmeter and ampmeter with the machine running
Last Answer : Answer: B
Description : A three-phase alternator is operating at 450 volts, 250 amps at 0.6 power factor. If the power factor increases to 0.8, the kw load potential will increase by _____________. A. 38.525 kw B. 116.91 kw C. 155.88 kw D. 194.85 kw
Description : A three-phase alternator operates at 450 volts with a power factor of 0.8. If the ammeter indicates 250 amperes, what should be the KW meter reading? A. 90.00 KW B. 127.27 KW C. 155.70 KW D. 194.85 KW
Last Answer : Answer: C
Description : A butt weld has been made by MMA in a 50mm thick impact tested steel plate. The welding electrode used was a basic type, 5mm diameter. The measured welding parameters for one of the runs was 250 amps, 24 volts, using DC ... given to calculate the arc energy b) 1.9 kJ/mm c) 1.87 kJ/mm d) 2.0 kJ/mm
Last Answer : d) 2.0 kJ/mm
Description : Zach's Market recorded the following events involving a recent purchase of merchandise: Received goods for $50,000, terms 2/10, n/30. Returned $1,000 of the shipment for credit. Paid $250 freight on the shipment ... 020. b. increased by $49,250. c. increased by $48,265. d. increased by $48,270.
Last Answer : d. increased by $48,270.
Description : 3,000.001 in word form?
Last Answer : three thousand and one hundred
Description : An octal number 237 is equal to the binary number 1) 010 011 111 2) 010 111 011 3) 011 101 101 4) 011 000 001
Last Answer : 3) 011 101 101
Description : A 3-input neuron is trained to output a zero when the input is 110 and a one when the input is 111. After generalization, the output will be zero when and only when the input is: a) 000 or 110 or 011 or 101 b) 010 or 100 or 110 or 101 c) 000 or 010 or 110 or 100 d) 100 or 111 or 101 or 001
Last Answer : c) 000 or 010 or 110 or 100
Description : The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2 , the coefficient of compressibility is (A) 0.01 (B) 0.02 (C) 0.05 (D) 0.001
Last Answer : (A) 0.01
Description : 0.001 Kg mass will be equivalent to a) 2.50 Giga watt hour b) 25.00 giga watt hour c) 0.26 giga watt hour d) None of the above
Last Answer : b) 25.00 giga watt hour
Description : how can we express 0.40 kV in volts?
Last Answer : Kvx1000=400v
Description : What is the required quality factor for an SSB filter with the following data: center frequency= 1 MHz, the desired attenuation level of the unwanted sideband= 80 dB and the separation between sidebands= 200 Hz? A. 1,250 B. 12,500 C. 125,000 D. 25,000
Last Answer : C. 125,000
Description : What type of bias (positive or negative) is added to a negative damper for the most positive extremity of the wave shape to be clamped above 0 volts?
Last Answer : Positive bias.
Description : A negative damper damps which extremity of the output waveshape to 0 volts?
Last Answer : Most positive.
Description : A positive damper clamps which extremity of the output signal to 0 volts?
Last Answer : Most negative.
Description : What is the effect upon an electron that enters the buncher gap when the potential across the grids is at 0 volts?
Last Answer : There is no effect
Description : A compound generator has a no-load voltage of 250 volts and a full-load voltage of 230 volts, and therefore, is considered to be _____________. A. flat compounded B. over compounded C. under compounded D. terminal compounded
Description : A heater takes 4 Amp at 250 volts. How much power does it consume? A. 1 KWatt B. 2 KWatt C. 3 KWatt D. 4 KWatt
Last Answer : Power= voltage* current = 4 * 250 = 1000 watts = 1KW
Description : Two bulbs marked 200 watt-250 volts and 100 watt-250 volts are joined in series to 250 volts supply. Power consumed in circuit is
Last Answer : Two bulbs marked 200 watt-250 volts and 100 watt-250 volts are joined in series to 250 volts supply. Power consumed in circuit is 67 watt.
Description : What unit is used to express the number of amps and volts needed by a particular device to function?
Last Answer : Feel Free to Answer
Description : The distance between a generator and its load is 100 feet. What would be the approximate total voltage drop across a two wire supply cable if the current were 5.5 amperes and the resistance of the wire were 2.525 ohms per 1,000 feet? A. 0.5 volts B. 1.38 volts C. 1.90 volts D. 2.77 volts
Description : What would be the output of a negative clamper with a bias potential of −5 volts and an input voltage swing from +50 to −50 volts?
Last Answer : -5 volts.
Description : What precaution should you take when you use 115 volts to zero a differential?
Last Answer : Never leave the circuit energized for more than 2 minutes.
Description : Which breakdown theory explains the action that takes place in a heavily doped PN-junction with a reverse bias of less than 5 volts?
Last Answer : Zener effect.
Description : What is the average voltage (Eavg) Output of a full-wave rectifier with an output of 100 volts peak?
Last Answer : 63.7 volts.
Description : If the output of a half-wave rectifier is 50-volts peak, what is the average voltage
Last Answer : 15.9 volts.
Description : If a power supply produces 20 volts with no load and 15 volts under full load, what is the percent of regulation?
Last Answer : 33.33%
Description : What is the average voltage (Eavg) output of a full-wave rectifier that has an output of 100 volts peak?
Last Answer : 63.6 volts.
Description : Convert 2.1 kV to volts.
Last Answer : 2100 volts.
Description : A tube has a transconductance of 800 mhos and a load resistor of 50 kohms. When control grid voltage varies by 6 volts, the plate voltage will vary by what amount?
Last Answer : 240 volts.
Description : If the mu of a tube is 85 and the signal at the control grid is 4 volts ac, the plate voltage will vary by what amount?
Last Answer : 340 volts.
Description : The plate voltage of a tube will vary 126 volts when a 3-volt ac signal is applied to the control grid. What is the gain of this tube?
Last Answer : 42.
Description : If the source voltage for the voltage divider in question 50 supplies 150 volts, what is the total current through the voltage divider?
Last Answer : 495 mA.
Description : A circuit has a source voltage of 100 volts and two 50-ohm resistors connected in series. If the reference point for this circuit is placed between the two resistors, what would be the voltage at the reference point?
Last Answer : 50 volts.
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 : If Eeff is 130 volts and Ieff is 3 amperes, what is the total resistance (RT) in the circuit?
Last Answer : 43.3 ohms.
Description : If the alternating source in Q41 is changed to 200 volts peak-to-peak, what is Iavg?
Last Answer : Iavg = 0.636 × Imax = 1.41 amperes.