logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics and Communication Engineering ‣ Satellite Communication See What Others Are Saying!
  • Question

  • Satellite launch sites are invariably located on Eastern seaboards to ensure that


  • Options
  • A. launch takes place eastward
  • B. expenditure of propulsion fuel is reduced during plane changing
  • C. the satellite achieves circular orbit quickly
  • D. spent rocket motor and other launcher debris falls into the sea

  • Correct Answer
  • spent rocket motor and other launcher debris falls into the sea 

    • More questions

    • 1. A transmitter serial current contains

    • Options
    • A. carrier frequencies
    • B. audio frequencies
    • C. radio frequencies
    • D. none of the above
      • Discuss
    • 2. Assertion (A): When an SCR is conducting, the voltage drop across is about 1 V.

      Reason (R): When an SCR is conducting, the junction temperature is about 200°C.


    • Options
    • A. Both A and R are correct and R is correct explanation of A
    • B. Both A and R correct but R is not correct explanation of A
    • C. A is correct but R is wrong
    • D. A is wrong but R is correct
      • Discuss
    • 3. In rectangular waveguides the ratio of width to height is about

    • Options
    • A. 0.5
    • B. 1
    • C. 2
    • D. 4
      • Discuss
    • 4. Denominator polynomial of a transfer function of certain network is:
      s3 + s2 + 2s + 24
      Then the network is:

    • Options
    • A. stable
    • B. oscillatory
    • C. unstable
    • D. depends on numerator polynomial
      • Discuss
    • 5. Match the following:

      List I (Camera pick up tubes) List II (Developed by)
      A. CCD charger 1. Toshiba
      B. New vicon 2. Philips
      C. Plumbicon 3. Matushita
      D. Chalnicon 4. RCA


    • Options
    • A. A-3, B-4, C-1, D-2
    • B. A-4, B-3, C-2, D-1
    • C. A-4, B-3, C-1, D-2
    • D. A-1, B-2, C-3, D-4
      • Discuss
    • 6. For l << ?, the equivalent circuit of a microwave resistor is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. PIN diode has

    • Options
    • A. p+ and n layers separated by i layer
    • B. p+ and n+ layers separated by i layer
    • C. p- and n- layers separated by i layer
    • D. none of the above
      • Discuss
    • 8. Which one of the following is not a negative resistance device?

    • Options
    • A. Gunn diode
    • B. Tunnel diode
    • C. Impatt diode
    • D. Varactor diode
      • Discuss
    • 9. Assertion (A): The conductivity of p type semiconductor is higher than that of intrinsic semiconductor.

      Reason (R): The addition of donor impurity creates additional energy levels below conduction band.


    • Options
    • A. Both A and R are true and R is correct explanation of A
    • B. Both A and R are true but R is not a correct explanation of A
    • C. A is true but R is false
    • D. A is false but R is true
      • Discuss
    • 10. The radiation resistance of a circular loop of one turn is 0.01 ohm. For 5 turn loop the radiation resistance is

    • Options
    • A. 0.002 ?
    • B. 0.01 ?
    • C. 0.05 ?
    • D. 0.25 ?
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.