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Test

TEquizza1

Shilpa Nayak 10 preguntas

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Preguntas del test (10)

  1. 1Which of the following tool is based on the philosophy that design problems occur when changes are made to existing engineering designs that have already been proven successful?
    1. ADRBFM (Design review based on failure modes)
    2. BDRBTR ( Design Review Based on Test Results)
    3. CCRM (Change request management)
    4. DDFMEA (Design Failure mode and effects analysis )
  2. 2The common collector amplifier is also known as
    1. A collector follower
    2. Bemitter follower
    3. Csource follower
    4. Dbase follower
  3. 3 Hysteresis is desirable in Schmitt-trigger, because
    1. A energy is to be stored/discharged in parasitic capacitances.
    2. Beffects of temperature would be compensated.
    3. Cdevices in the circuit should be allowed time for saturation and desaturation.
    4. Dit would prevent noise from causing false triggering.
  4. 4Removing bypass capacitor across the emitter-leg resistor in a CE amplifier causes
    1. Aincrease in current gain
    2. Bincrease in voltage gain
    3. Cdecrease in current gain
    4. Ddecrease in voltage gain
  5. 5The frequency of oscillation of a tunnel-collector oscillator having L= 30μH and C = 300pf is around .. (calculator application from PC allowed)
    1. A267 kHz
    2. B1677 kHz
    3. C2.76MHz
    4. D176kHz
  6. 6The control terminal (pin5) of 555 timer IC is normally connected to ground through a capacitor (~ 0.01μF). This is to
    1. Aprotect the IC from inadvertent application of high voltage
    2. Bprevent false triggering by noise coupled onto the pin
    3. Cconvert the trigger input to sharp pulse by differentiation
    4. Dsuppress any negative triggering pulse
  7. 7A differential amplifier, amplifies
    1. Aand mathematically differentiates the average of the voltages on the two input lines
    2. Band differentiates the input waveform on one line when the other line is grounded
    3. Cthe difference of voltages between the two input lines
    4. Dand differentiates the sum of the two input waveforms
  8. 8The function of a bleeder resistor in a power supply is
    1. Athe same as that of load resistor
    2. Bto ensure a minimum current drain in the circuit
    3. Cto increase the output dc voltage
    4. Dto increase the output current
  9. 9The gate that assumes the 1 state, if and only if the input does not take a 1 state is called________.
    1. AAND
    2. BNOT
    3. CNOR
    4. DNAND
  10. 10n-type silicon is obtained by
    1. ADoping with tetravalent element
    2. BDoping with pentavalent element
    3. CDoping with trivalent element
    4. DDoping with a mixture of trivalent and tetravalent element

Información

Descripción
Test sobre TEquizza1, creado por Shilpa Nayak el 30/01/2015.
Idioma
English
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