GATE 2014 Online Mock 1

10 Questions | Total Attempts: 76

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GATE 2014 Online Mock 1

GATE 2014 Online Mock 1   The Questions give you a fair idea of the GATE Exam Question Paper Pattern and help you prepare better. The written examination consists of objective type paper including 3 parts that are as follows: General Aptitude                 General English                           Technical        TOTAL DURATION                  180 MIN  TOTAL QUESTION                  65 to 85 However Contemporary Test contains only 10 Question and Full Mock will available for Registered Users     Total Question 10                       Negative marking -YES (1/3) Total Duration 25 min                      By: Appliedjobz To download Previous year LIC,SBI,IBPS, Examination


Questions and Answers
  • 1. 
    A Carrier is frequency modulated with a sinusoidal signal of 2 KHz, resulting in a maximum frequency deviation of 5 KHz, the Bandwidth of the modulated signal
    • A. 

      32 KHz

    • B. 

      14 KHz

    • C. 

      15 KHz

    • D. 

      7 Khz

    • E. 

      None Of these

  • 2. 
    A Certain telephone line bandwidth is 3.5 KHz, the data rate can be transmitted if we use binary signaling with the raised cosine pulses and a roll off factor α = 0.25
    • A. 

      1400 b/s

    • B. 

      2800 b/s

    • C. 

      5600 b/s

    • D. 

      3600 b/s

    • E. 

      None Of These

  • 3. 
    In the voltage regulator shown in figure, the load current can vary from 200 mA to 400 mA. Assuming that the zener diode is ideal. The value of R is
    • A. 

      100 Ω

    • B. 

      75 Ω

    • C. 

      14 Ω

    • D. 

      30 Ω

    • E. 

      None Of these

  • 4. 
    Consider a system with the transfer function G(s) = . Its damping ratio will be 0.5 when the value of K is  
    • A. 

      1/7

    • B. 

      2/7

    • C. 

      3

    • D. 

      7

    • E. 

      None Of these

  • 5. 
    The root locus of the system G(s) H(s) =  has the break-away point located at
    • A. 

      (–0.680, 0)

    • B. 

      (–3.786, 0)

    • C. 

      (–0.5, 0)

    • D. 

      (–0.880, 0)

    • E. 

      (–0.450, 0

  • 6. 
    Two identical and parallel dipole antenna are kept apart by a distance of λ/4 in the H-plane. They are fed with equal currents but the right most antenna has a phase shift of +90º.
    • A. 
    • B. 
    • C. 
    • D. 
    • E. 

      None Of These

  • 7. 
      The system with the open loop transfer function G(s) H(s) = has a gain margin & cross over frequency of
    • A. 

      0 dB, 1 rad/sec

    • B. 

      3.5 dB, 2 rad/sec

    • C. 

      5 dB, 5 rad/sec

    • D. 

      7 dB, 1 rad/sec

    • E. 

      7 dB, 2 rad/sec

  • 8. 
    The signal x(t) shown in figure can be expressed as      
    • A. 

      U (t + 1) – 2u(t – 1) + 2u(t – 2)

    • B. 

      U(t – 1) – 2u(t + 1) + 2 u(t + 2)

    • C. 

      U(t – 1) – 2u(t + 1) + 2 u(t + 2)

    • D. 

      U(t – 1) + 2u(t + 1) – 2u(t + 2)

    • E. 

      None Of These

  • 9. 
    An air filled rectangular waveguide has inner dimension of 3 cm × 2 cm. The wave impedance of the TE20 mode of propagation in the waveguide at a frequency of 20 GHz is (free space impedance  η0 = 377Ω)
    • A. 

      461 Ω

    • B. 

      400 Ω

    • C. 

      308 Ω

    • D. 

      435 Ω

    • E. 

      445 Ω

  • 10. 
    The circuit in the figure has two CMOS-NOR gates. This circuit functions as a  
    • A. 

      Flip-flop

    • B. 

      Schmitt Trigger

    • C. 

      Monosatable Multivibrator

    • D. 

      Bistable Multivibrator

    • E. 

      None Of These