MTNL Placement Papers 2016-2017 - Interview Questions

Advertisements

MTNL Placement Papers
Placement papers of MTNL 2016-2017. Learn and practice the placement papers and interview questions answers of MTNL and find out how much you score before you appear for your next interview and written test.

MTNL Placement Papers - Interview Questions:

Question 1:

What changes would be necessary in block C if FM signals are to be received -



A. Block becomes redundant
B. A FM detector would be required
C. A high frequency signal generator
D. An additional local oscillator will be needed


Ans. B


Question 2:

In the equatorial plane only Geosychronous satellite are launched because it is the only plane which provides -


A. 24 hour orbit
B. stationary satellite
C. global communication
D. zero-gravity environs

Ans. B


Question 3:

Radio Broadcasting is an example of -



A. space multiplexing
B. time multiplexing
C. frequency multiplexing
D. none of the above


Ans. C

Question 4:

PAM signals can be demodulation by using a -


A. Low pass filters (LPE) alone
B. A Schmitt trigger followed by a LPF
C. A differentiator followed by a LPF
D. A clipper circuit by a LPF


Ans. D




Question 5:

In an FDM receiver channels can be separated by using -



A. AND gates
B. Band pass
C. differentiation
D. Integration


Ans. A


Question 6:

The most common modulation system used for telegraphy is-



A. frequency shift keying
B. two - tone modulation
C. pulse code modulation
D. single tone modulation

Ans. A

Question 7:

Use of varoctor diode in generation of modulated segial be-


A. FM generation only
B. 100AM generation only
C. PM generation only
D. both PM and AM generation

Ans. A

Question 8:

In colour picture tube shadow mask is used to


A. reduce x-ray emission
B. ensure that each beam strikes only its own dots
C. increase screen brightness
D. provide degaussing for the screen

Ans. C

Question 9:

The circuit that separates composite video warefore from the sync pulses is-


A. the keyed AGC amplifar
B. a clipper
C. an integrator
D. a sawtooth current

Ans. D

Question 10:

Band width of microwaves is-


A. 1GHz -10 ^ 3 GHz
B. 1GHz -100 GHz
C. 1 GHz -10 GHz
D. 1 GHz - 10 ^ 6 GHz

Ans. A



You can also see: HSBC Placement Papers

Question 11:

In transverse Magnetic mode-


A. no electric line is in direction of propagation
B. no magnetic line is in direction of propagation
C. bath magnetic & electric lines are is direction of propagation
D. neither magnetic nor electric lines in direction of propagation

Ans. B


Question 12:

Signal transmission in sky wave propagation is due to -


A. Refraction of wave
B. Reflection of wave
C. Pierus through Inosphere
D. None

Ans. B

Question 13:

According to Barkhausen Criterion Phase shift of signal should be -


A. 60 degree
B. 90 degree
C. 180 degree
D. 360 degree

Ans. D

Question 14:

The transmission does not have -


A. Partition noise
B. Flicker noise
C. resistance
D. Short noise

Ans. A

Question 17
The main disadvantage of Diode-Transistor logic (DTL) is its-



A. greater speed
B. slower speed
C. average speed
D. none of the above

Ans. B


Question 18
Time delay Dt in digital signals in an SIS O shift register is given by -



A. Dt = N ' Fc
B. Dt = N ' 1/Fc
C. Dt = 1/N ' Fc
D. Dt = N ' 1/Fc


Ans. B


Question 19:

The output Qn is 1 in a JK flip flop and it does not change when clock pulse is applied) The possible combination of Jn and Kn can be -(y denotes don't care)



A. y and 0
B. y and 1
C. 0 and y
D. 1 and y


Ans. A


Question 20:

Basic memory cell of dynamic RAM consists of -



A. a flip flop
B. a transistor acting as a capacitor
C. a transistor
D. a capacitance


Ans. B



You can also see: Motorola Placement Papers

Question 21:

The 2's complement of 1000 base 2 is -



A. 0111
B. 0101
C. 1000
D. 0001


Ans. C


Question 22:

Master slave flip-flop is made up of -



A. two flip flops connected in series
B. two flip flops connected in parallel
C. a debouncer circuit
D. a-D- latch

Ans. A


Question 23:

Number of nybbles making one byte is -



A. 2
B. 4
C. 8
D. 16

Ans. A

Question 24:

The intrinsic impedance of free space-


A. is independent of frequency
B. decreases with increase of frequency
C. increases with increase of frequency
D. varies as square root of frequency

Ans. A

Question 25:

A system consists of 12 poles and 2 zeroes. Its high frequency asymptote in its magnitude plot has a slope of -



A. -200 dB/decade
B. -240 dB/decade
C. -230 dB/decade
D. -320 dB/decade

Ans. A


Question 28:

Considering the conditions-


1. High loop gain
2. Less ringing
3. Greater damping
4 Negative dB gain margin
System stability requirements would include


A. 1 and 3
B. 1, 2 and 3
C. 1 and 4
D. 2, 3 and 4

Ans. D

Question 30:

Varoctor diode has non linearity of -



A. capacitance
B. Inductance
C. Resistance
D. Is a linear device

Ans. A



MTNL Placement Papers Syllabus:

Dear Job Aspirants, here we are providing MTNL placement syllabus or chapters for your reference.


Quantitative Aptitude Syllabus:


  • Probability
  • Permutations & Combinations
  • Algebra
  • Averages
  • Time Speed & Distance
  • Time & Work
  • Profit & Loss
  • Ratio & Proportion
  • Simple & Compound Interest
  • Percentage
  • Number Series
  • Mixtures & Alligations
  • Simplification
  • Number System
  • Heights and Distances
  • Geometry & Mensuration
  • Data Sufficiency
  • Logarithms
  • Progressions
  • LCM and HCL
  • Pipes and Cisterns
  • Partnership
  • Boats and Streams
  • Areas, Volumes

Reasoning Syllabus:

  • Number Series
  • Letter Series
  • Anologies
  • Puzzles
  • Syllogisms
  • Binary Logic
  • Clocks & Calendars
  • Cubes & Dice
  • Classification 
  • Blood Relations
  • Coding-Decoding
  • Data Sufficiency
  • Seating Arrangement
  • Venn Diagrams
  • Problem Solving
  • Coded Inequalities
  • Double Lineup
  • Logical Deductions
  • Routes & Networks
  • Grouping & Selections
  • Evaluating Course of Action
  • Statements and Conclusions
  • Mathematical and Computer Operations
  • Critical Reasoning
  • Inferences
  • Situation Reaction Test
  • Decision Making
  • Symbols and Notations
  • Direction Sense Test
  • Logical Sequence Of Words
  • Assertion and Reason
  • Verification of Truth of the Statement
  • Statements and Assumptions
  • Data Interpretation

Verbal Ability Syllabus:

  • Synonyms
  • Antonyms
  • Sentence Completion
  • Spelling Test
  • Passage Completion
  • Sentence Arrangement
  • Idioms and Phrases
  • Para Completion
  • Error Correction (Underlined Part)
  • Fill in the blanks
  • Synonyms
  • Prepositions
  • Active and Passive Voice
  • Spotting Errors
  • Substitution
  • Transformation
  • Sentence Improvement
  • Joining Sentences
  • Error Correction (Phrase in Bold)
  • Articles
  • Gerunds
  • Identify the Errors
  • Plural Forms
  • Odd Words
  • Prepositions
  • Suffix
  • Tense
  • Adjectives
  • Homophones
  • Identify the Sentences
  • Nouns
  • Prefix
  • Sentence Pattern
Dear readers, the syllabus and MTNL placement papers provided here are just for information purpose only. Sometimes companies may change their syllabus and exam pattern. So Please check official company website for latest syllabus.



Share This Job Opening...!!





About www.allindiajobs.in

All India Jobs is one of the top fresher job sites in India with over 1000 companies listing jobs online. If you are looking for best careers in India then you are at right place. You can find IT software jobs, bank jobs, bpo jobs, mba jobs, govt jobs, walkin for fresher, engineering jobs, railway jobs, medical or pharma jobs, internship jobs etc. Also we provide latest placement papers for freshers to practice for mnc company written online exams. www.allindiajobs.in is one of the the best recruitment websites in india.