BSNL JTO Exam Paper 2005

Last Updated on Thursday, 13 March 2008 09:52 Written by Editor Friday, 15 February 2008 07:27

When a piece of copper and another of germanium are cooled from room temperature to 800 K then the resistance of -
a) Each of them increases
b) Each of them decreases
c) Copper increases and germanium decreases
d) Copper decreases and germanium increases
Answer: d)
When a signal of 10 mV at 75 MHz is to be measured then which of the following instrument can be used -
a) VTVM
b) Cathode ray oscilloscope
c) Moving iron voltmeter
d) Digital multimeter
Answer: b)

When a sample of germanium and silicon having same impurity density are kept at room temperature then –
a) Both will have equal value of resistivity
b) Both will have equal value negative resistivity
c) Resistivity of germanium will be higher than that of silicon
d) Resistivity of silicon will be higher than that of germanium
Answer: d)

When an RC driving point impedance function has zeros at s= -2 and s=-5 then the admissible poles for the function would be –
a) s = 0; s = -6
b) s = 0; s = -3
c) s = 0; s = -1
d) s = -3; s = -4
Answer: b)

For the n-type semiconductor with n = Np and p = , the hole concentration will fall below the intrinsic value because some of the holes –
a) drop back to acceptor impurity states
b) drop to donor impurity states
c) Virtually leave the crystal
d) recombine with the electrons
Answer: d)

The location of lighting arrestor is –
a) Near the transformer
b) Near the circuit breaker
c) Away from the transformer
d) None

Time constant of an RC circuit increases if the value of the resistance is –
a) Increased
b) Decreased
c) Neither a nor b
d) Both a and b
Answer: a)

Telemetering is a method of –
a) Counting pulses sent over long distances
b) Transmitting pictures from one place to another
c) Transmitting information concerning a process over a distance
d) None
Answer: c)

When the gauge factor of a strain gauge is 2, stress is 1050 kg/cm2, Y = 2.1´ 106 kg/cm2 and R is 100 ohms then the value of DR will be -
a) 2W
b) 3W
c) 4W
d) 1W
Answer: d)

As the drain voltage is increased for a junction FET in the pinch off region then the drain current –
a) Becomes zero
b) Abruptly decreases
c) Abruptly increases
d) Remains constant
Answer: d)

11. One of the following, which is not a transducer in the true sense, is –
a) Thermocouple
b) Piezoelectric pick up
c) Photo-Voltaic cell
d) LCD
Answer: d)

When a transistor is required to match a 100W signal source with a high impedance output circuit then the connection that would be used is –

a) Common base
b) Common collector
c) Common emitter
d) Emitter follower
Answer: a)

In a JFET gates are always –
a) forward biased
b) reverse biased
c) unbiased
d) none
Answer: c)

The main factor which differentiate a DE MOSFET from an E only MOSFET is the absence of –
a) insulated gate
b) electrons
c) channel
d) P-N junction

An SCR conducts appreciable current when –
a) Anode and gate are both negative with respect to cathode
b) Anode and gate are both positive with respect to cathode
c) Anode is negative and gate is positive with respect to cathode
d) Gate is negative and anode is positive with respect to cathode

Silicon is not suitable for fabrication of light emitting diodes because it is -
a) An indirect band gap semiconductor
b) A direct band gap semiconductor
c) A wide band gap semiconductor
d) A narrow band gap semiconductor

An average responding rectifier type electronic ac voltmeter has its scale calibrated in terms of the rms value of a sine wave, when a square wave voltage of peak magnitude 100V is measured using this voltmeter then the reading indicated by the meter, will be –
a) 111V
b) 100V
c) 90.09V
d) 70.7V
Answer: b)

When a four terminal T network is inserted between a source and load resistance as shown in figure then the resistance seen by the source remain the same with or without the four terminal block when R is –
BSNL Four Terminal T Network
a) 5W
b) 10 W
c) 15 W
d) 20 W
Answer: a)

In the ac bridge shown in the given figure, the value of Rx and Cx at balance will be
AC Bridge BSNL Paper
Answer: BSNL AC Bridge Answer Figure

Which one of the following conditions for Z parameters would hold for a two port network containing linear bilateral passive circuit elements –
a) Z11 = Z22
b) Z12Z21 = Z11Z22
c) Z11Z12 = Z22Z21
d) Z12 = Z21
Answer: d)

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71 Comments
1 2 3 4
  1. Editor March 8, 2008 at 8:03 am

    Yes You can find all the details you need to apply for BSNL JTO – HERE http://www.freshershome.com/jobs/index.php?post_id=6550

  2. sachin March 8, 2008 at 9:18 pm

    sir i want to know which r the books to be followed for preapring jto xam?

  3. sathish March 9, 2008 at 3:10 pm

    sir… pls send me bsnl jto solved test paper… i have completed B.Tech(I.T) is it eligible for applying bsnl jto exam…pls tell me which book can i refer for prepareing for the bsnl jto exam…

  4. DEEPAK SHARMA March 9, 2008 at 7:32 pm

    Hi,

    I need the question paper model for the J.T.O (B.S.N.L) exams and past exam papers also. Please give me more information about J.T.O.to sharma_deepak28@yahoo.co.in
    Thanq
    deepak sharma

  5. emandi prasada rao March 9, 2008 at 8:52 pm

    Dear sir

    I would like to apply for JTO-2007.

    My name is Emandi Prasada Rao
    DOB 15 Aug 1971
    Qualification AMIE(Electrical)

    Age in ADV for JTO-2007 is 30 years.

    I would like to claim – Central Govt Servant.- 5 years
    I would like to claim – OBC – 3 years

    kindly clarify whether I can claim both OBC and Govt. Servant quota.
    or whether I am eligible to apply for JTO-2007 as my present age is 36 yrs7 months(Central Govt servant+OBC).

    If so I would like to apply for the post.

    Thanking you sir

    yours faithfully

    Prasada Rao Emandi
    Visakhapatnam
    epraoamie@gmail.com
    9290458125

  6. Abhishek Anand March 9, 2008 at 9:18 pm

    plz tell me the book name for the preperation for JTO exam and yes tell me can the student currently in 8th sem is eligible to fill JTO form….
    plz do reply me faster i m getting nervous.

  7. siva prasad March 9, 2008 at 9:25 pm

    sir
    i have completed M.Sc Electronics
    am i eligible to JTO-2008 EXAM

  8. taniya March 10, 2008 at 11:54 am

    thank you

  9. sunitha March 10, 2008 at 2:10 pm

    Thank you for presenting the exam papers with answers,its really a worthfull sir

  10. Editor March 10, 2008 at 3:26 pm

    Following are eligible:
    Those who passout before March 23rd 2008 are eligible to apply

    Engineering/Bachelor of Technology or equivalent Engineering

    Please ready Everything related to Job opening Clearly.
    BSNL JTO Recruitment Details are here

    Remuneration: Rs. 9850-250-14600

  11. sahanuj March 10, 2008 at 4:20 pm

    plzzzzzzzzz provide some documents regarding JTO exam 2008.

  12. ra March 10, 2008 at 4:26 pm

    does msc computer science graduate ars qualified for jto exam

  13. Anuj March 11, 2008 at 12:35 pm

    Plz send me the Last year BSNL JTO Exam papers..

  14. samyu March 11, 2008 at 3:01 pm

    hello sir,

    i have completed my B.Tech in comp science. pls tell me the books and the authors which i have to refer for the preparation of jto-2008. hope to hear from u.

    thanqs,
    samyu.

  15. rajendra March 11, 2008 at 5:50 pm

    sir,
    please refer me some good books for the preperation of jto-2008

  16. ANOOP R S March 12, 2008 at 9:19 am

    Sir, please send me the last year JTO question paper

  17. vinu March 12, 2008 at 11:39 am

    can MCA graduates apply fot JTO exam??? plz …let me know..

  18. lakhwinder singh March 12, 2008 at 2:03 pm

    respected sir i m a computer engineer. please tell me the best book from which i should prepare for j.t.o exam 2008

  19. vin March 12, 2008 at 4:57 pm

    hi sir,

    can you please tell me which book should i consult to prepare for JTO BSNL exam.2008….

  20. Editor March 12, 2008 at 5:12 pm

    Practice Paper BSNL Jr. Telecom Officers Examination (J.T.O.)

    Guide To BSNL Jr. Telecom Officers Examination (J.T.O.)

  21. satheesh kumar March 12, 2008 at 9:33 pm

    hello sir,

    can you please tell me which book should i consult to prepare for JTO BSNL exam.2008….

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