# Placement Papers - BSNL

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### BSNL JTO Examination Solved Model Test Paper (Part-3)

Posted By : Sourabh Das Rating : +51, -5
BSNL JTO Examination Solved Model Test Paper (Part-3)

Mark out transferred electron device in the following-
a) BARITT dived
b) IMPATT dived
c) Gunn divde
d) Step recovery diode

In the output of a normal monochrome receiver video detector voltages, which are not found, are -
a) syne
b) video
c) sweep
d) sound

The HV anode supply for the picture tube of TV receiver is generated in the-
a) mains transformer
b) vertical output stage
c) horizontal output stage
d) horizontal deflection oscillator

In antenna measurements using two aperture antennas of dimensions D1 and D2 , minimum separation between the two should be (x is free space wavelength of radiation uses) The frquency range for satellite broad casting is ?
The frquency range for satellite broad casting is
a) 30 MHz - 300MHz
b) 30 MHz - 3 GHz
c) 3 GHz - 30 GHz
d) 30 GHz - 300 GHz

Iris is used to ?
a) Over come power loss
b) Over come bending effect
c) Over come mismatch error
d) Over come twist effect

In schotty barrier diode current flows because of ?
a) Majority carriers
b) Minority carriers
c) Majority and minority carriers
d) None

Which antennas are used in microwave communication ?
a) long wave antennas
b) Rhombic antennas
c) Parabolaidal antennas
d) All of above

Among translator & time of sight system capacity ?
a) Of translator is more
b) Of line of sight is more
c) Having equal capacity
d) No relation such as

No of T-state required for memory read or write operation-
a) 2
b) 3
c) 4
d) 6

In data transfer operation which flag get affected-
a) 3140 flog.
b) carry flog
c) sign flog.
d) none

While executing program microprocessor checks INTR line clearing-
a) each instruction
b) after interval of two instruction
c) after a subroutine
d) at the end of program.

93. In which error check technique of data communication 2?s complement of all bytes of data is transmitted with data-
a) Even parity
b) odd parity
c) check scans
d) cyclic redundancy

Program execution hierarchy decides which operator-
a) is most important
b) is used first
c) is fastest
d) operators on largest number

(375)10 = (?-)8
a) 550
b) 557
c) 567
d) 577

To obtain 2048 8 memory using 128 8 memory chip how many IC required-
a) 2
b) 4
c) 8
d) 16

A Decimal no. 17 can be converted in binary, the binary no. will be.-
a) 10001
b) 01110
c)00111
d) 11100

Is the Universal logic gate-
a) AND
b) OR
c) NAND
d) X-OR

A monostable state in multivibrator means-
a) which returns itself to its single stable state
b) the state used only once in circuit
c) the state of circuit can not get changed
d) the state of circuit always changing

For designing binary counter which flip flop is preferred -
a) T FF
b) SR FF
c) D FF
d) JKFF

His handwriting was not ?? so I could not read his note ?
a) attractive
b) eligible
c) clear
d) legible

They started to ?? people into the theatre only at six -
a) enter
c) follow
d) accept

I told him to buy things that are lasting (Give the appropriate synonym of the underlined word).
a) ending
b) ordinary
c) durable
d) cheap

Give the word which is most opposite in meaning of the word ?evident?-
a) doubtful
b) unimportant
c) disagreed
d) understood

I expressed by disagreement ?? him on that issue-
a) between
b) with
d) for

?Sugarbowl? of the world is -
a) India
b) Cuba
c) Brazil
d) USA

Palk strait separates-
a) India and Srilanka
b) India and Burma
c) Britain and France
d) Malaysia and Sumatra

The minimum number of atoms in a molecule of an element are-
a) 1
b) 5
c) 2
d) 10

Tides in the sea are caused by-
a) Effect of sun
b) Effect of moon
c) combined effect of moon and sun
d) Gravitational, centrifugal and centripetal forces

The Bar council of India decided to close over law colleges across the country for their failure to maintain minimum teaching standard) There number is
a) 140
b) 200
c) 150
d) 100

Aswan Dam is located in-
a) Egypt
b) Libya
c) Sudan
d) Iran

Ghana Birds sanctuary is in the state of -
a)Rajasthan
d)Maharashtra

Dry ice is-
a) Frozen carbon monoxide
b) Frozen carbon dioxide
c) Frozen ammonia
d) None of these

East flower river of India is -
a) Cauvery
b) sone
d) Tapti

The total length of the great wall of China is ?
a) 1,400 miles
b) 1,500 miles
c) 1,300 miles
d) 1,400 miles

Deficiency of vitamin C may result in-
a) beriberi
b) night blindness
c) dermatitis
d) Scurvy

Bharat Shah a film financer was granted bail by Supreme Court after a
period of ?
a) 11 months
b) 2 years
c) 18 months
d) 15 months

Indian local time is based on-
a) 800 E longitude
b) E longitude
c) 1100 E longitude
d) 250 E longitude

Which one is a good preservative of food?
a) Spirit
b) Formaldehyde
c) Sugar