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Old June 21st, 2016, 01:28 PM
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Old April 27th, 2018, 04:35 PM
Default Re: download bsnl tta answer sheet

Hi buddy here I am looking for Bharat Sanchar Nigam Ltd. (BSNL) Junior Engineers (JE) (erstwhile TTA) exam answer sheet for my exam result estimation , so will you plz let me know from where I can do download it ??
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Old April 27th, 2018, 04:36 PM
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Join Date: Aug 2012
Default Re: download bsnl tta answer sheet

As you want here I am giving below process to do download Bharat Sanchar Nigam Ltd. (BSNL) Junior Engineers (JE) (erstwhile TTA) exam answer sheet

Go on Bharat Sanchar Nigam Ltd. (BSNL) official website

After visiting the home page of official site, appliers have to go to “Ongoing Recruitment (EXTERNAL)” section.

Now hit on “Junior Engineer (JE): Question/provisional Answer key” link visible on next page.

After that a new page will be opened aspirants are required to enter asked details in the text boxes which are as follows.

Candidates if you fill your incorrect roll no and password than your BSNL TTA JE Exam 2018 Answer Key will not be opened.

Now hit on “submit” button and BSNL Junior Engineering Answer Key will be displayed.

After that applier have to check their answer and download BSNL Telecom Tech Assistant Answer Key on your desktop or take print out of BSNL JE Exam Answer Key for future references.

BSNL sample Question Paper

Question .1 A house served by a 220V supply light, is protected by a 9-Ampere fuse. The maximum number of 60 W bulbs in parallel that can be turned on is

(a) 11

(b) 33

(c) 22

(d) 44

Answer: B

Question.2 A capacitor of 1 Q.4 μF initially charged to 10 V is connected across an ideal inductor of 0.1 mH. The maximum current in the circuit is

(a) 0.5 A

(b) 1 A

(c) 1.5 A

(d) 2 A

Answer: B

Question.3 An n-channel JFET has I Q.2 DSS = 1 μA & VP =–5V. The maximum trans conductance is

(a) gm = 0.4 milli mho

(b) gm = 0.04milli mho

(c) gm = 0.04 mho

(d) gm = 0.4 millimilli mho

Answer: D

Question.4 Silicon has a preference in IC technology because Q.5

(a) it is an indirect semiconductor

(b) it is a covalent semiconductor

(c) it is an elemental semiconductor

(d) of the availability of nature oxide SiO

Answer: D

Question.5 An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument will produce a full scale deflection when the current passed through it is

(a) 10 mA

(b) 20 mA

(c) 50 mA

(d) 100 μA

Answer: D

Question.6 The base to base resistance of a UJT is 6 K Ohm when the emitter current is zero. If B1 R = 3.6 K Ohm, the intrinsic stand off ratio is

(a) n = 0.66

(b) n = 0.6

(c) n = 6.0

(d) n = 3.6

Answer: B

Question.7 Transient signals can be observed using

(a) storage oscillocope

(b) sampling oscilloscope

(c) wave analyzer

(d) spectrum analayzer

Answer: A

Question.8 A power diode has lightly doped n type substrate sandwiched between heavily doped p and n regions

(a) to increase reverse breakdown voltage

(b) to reduce ohmic loss under forward bias

(c) to decrease switching time of the power diode

(d) to improve transient behaviour of the diode

Answer: D

Question.9 A P-controller is used to adjust the outer level of a tank in range of (0-10)m. The desired level is 5 m. The controller should fully close the valve, if level rises to 5.5 m and it should fully open the valve, if level falls to 4.5 m. What should be the % P-band?

(a) 1

(b) 5

(c) 7

(d) 10

Answer: D

Question.10 Some system architects do not find RISC instruction repertoire to be cost-effective because it

(a) result in large increase in programme size

(b) result in complex structure of microcode

(c) has been observed that an average compiler does not employ more than a limited subset of available instructions

(d) results in complex decoding of opcode filed resulting in longer execution time

Answer: A

Question.11 What addressing mode is used in the instruction RET?

(a) Direct

(b) Immediate

(c) Implicit

(d) Register-indirect

Answer: D

Question.12 The speed of an audio cassette tape in a cassette player is 5cm/ sec. If the maximum frequency that needs to be recorded is 20 KHz, the minimum spatial wavelength on the tape is

(a) 40 μm

(b) 25 μm

(c) 4 μm

(d) 2.5 μm

Answer: D

Question.13 In order to generate electron-hole pairs, the maximum wavelength of radiation for Silicon (Band gap = 1.1 eV) is

(a) 1.88 μm

(b) 1.68 μm

(c) 1.13 μm

(d) 1.54 μm

Answer: C

Question.14 Which of the following pairs of crystal structure possesses the same atomic packing density?

(a) simple cubic & body centred cubic

(b) body centred cubic & face centred cubic

(c) face centered cubic & hexagonal close packed

(d) body centred cubic & hexagonal close packed

Answer: C

Question.15 In a power transformer, the fundamental frequency of the hum arising due to magnetostriction is

(a) equal to the line frequecy

(b) double the line frequency

(c) 4 times the line frequency

(d) not related to the line frequency

Answer: B

Question.16 The polar bonds existing in III-V compound semicondutor, may be considered as equivalent to

(a) 1 ionic bond and 3 covalent bonds

(b) 1 ionic bond and 4 covalent bonds

(c) 2 ionic bonds and 2 covalent bonds

(d) 2 ionic bonds and 4 covalent bonds

Answer: A

Question.17 In a regenerative braking, which of the following is generally true?

(a) Back e.m.f. in the motor exceeds the applied voltage

(b) Back e.m.f. is less than the applied voltage

(c) Kinetic energy of the motor is dissipated in a resistance

(d) Kinetic energy of the motor is dissipated through free wheeling diode across the motor

Answer: A

Question.18 To distinguish between signals having very close values, we need

an instrument with

(a) high accuracy

(b) high resolution

(c) high sensitivity

(d) high linearity

Answer: B

Question.19 The trace on an oscilloscope continually moves to the right of the screen when

(a) the sweep is triggered.

(b) the sweep period is larger than the signal period.

(c) the sweep period is smaller than the signal period.

(d) there is no weep.

Answer: B

Question.20 An optical fiber cable laid underground has developed a discontinuity at a distance d from the source end. The fault can be located using the instrument

(a) Optical spectrum Analyzer (OSA)

(b) Optical Time Domain Reflectometer (OTDR)

(c) Optical Power Meter (OPM)

(d) Laser Diffractometer (LD)

Answer: B

Question.21 By which of these nicknames is Nagpur also known as?

(a) Diamond City

(b) Orange City

(c) Pink City

(d) City of Lakes

Answer: B

Question.22 Which of these is a traditional Sikh Maritial Art named after a stick used to practice sword fighting?

(a) Gatka

(b) Hola Mohalla

(c) Shakhl

(d) Kakaar

Answer: A

Question.23 Maulana Abul Kalam Azad’s Birthday on 11 November is celebrated in India as what?

(a) National Education Day

(b) National Integration Day

(c) National Minority Day

(d) National Sports Day

Answer: A

Question.24 At which of the following places Diesel Component Works is established?

(a) Jamshedpur

(b) Patiala

(c) Perambur

(d) Varanasi

Answer: B

Question 25. The All Women Expedition Team of the Indian Air Force which scaled the Mount Everest some time back was headed by

(a) Sqn. Ldr. D. Panda

(b) Sqn. Ldr. Nirupama Pandey

(c) Flt. Lt. Nivedita Choudhary

(d) Flt. Lt. Rajika Sharma

Answer: B

Question.26 The zero flag of 8085 microprocessor is to be set keeping the content of the accumulator unchanged. Which instruction is to be used?

(a) MOV A,A

(b) ANI 00H

(c) XRA A

(d) CMP A

Answer: D

Question.27 To establish a communication between 8085 microprocessor and 8255 Programmable Peripheral Interface chip. The status of the chip select input would be


(b) HIGH

(c) LOW


Answer: C

Question.28 Which flag does not change by the execution of the instruction DCR B in 8085 microprocessor ?

(a) Parity

(b) Carry

(c) Zero

(d) Sign

Answer: B

Question.29 Suppose that data items, numbered 1, 2, 3, 4, 5 and 6 come in the input stream in this order. By using a queue, which of the following rearrangement can be obtained in the output order ?

(a) 1 2 6 4 5 3

(b) 2 4 3 6 5 1

(c) 4 2 1 3 5 6

(d) 1 2 3 4 5 6

Answer: D

Question.30 For an antenna to be frequency-independent, it should expand or contract in proportion to the

(a) gain

(b) directivity

(c) wavelength

(d) impedance

Answer: D
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