1. #1
    Unregistered Guest

    Give pattern of the question paper and syllabus to crack BHEL?

    sir please help me to get through the examinations.if you do i would be very grateful to you sir

  2. #2
    Deep_4 is offline Senior Member
    Join Date
    Jul 2011

    Re: Give pattern of the question paper and syllabus to crack BHEL?

    Bhel examination pattern ::

    For engineer Trainee ::There will be total 250 Questions asked and duration of examination is 2 Hour 30 Minutes. The Examination will be Conducted in 2 Sections:

    1. Aptitude Test-This Paper Consists ::

    Quantitative Aptitude
    Logical Thinking
    General Awareness

    2. Technical Test-This Paper Consists Question from Branches, in which You have Cleared Your Engineering.

    In supervisor trainee ::There will be total 150 Questions asked and duration of examination is 2 Hour. The Examination will be Conducted in 2 Sections:

    1. Aptitude Test-This Paper Consists ::

    Quantitative Aptitude
    Logical Thinking
    General Awareness

    2. Technical Test-This Paper Consists Question from Branches, in which You have Cleared Your Engineering.

    I have attached the question papers of the BHEL i hope it will help you to understand the pattern of the examination clearly

  3. #3
    sandeep18 is offline Member
    Join Date
    Nov 2011

    Re: Give pattern of the question paper and syllabus to crack BHEL?

    Hi friends,
    now a days bhel take engineers through gate score card . So to creak bhel exam focus on your gate preparation because on the gate score merit basis they call for interview directly.so for gate preparation focus on your fundamentals through your subject books + some apptitude

  4. #4
    ash12081990@gmail.com is offline Senior Member
    Join Date
    Jan 2012

    Re: Give pattern of the question paper and syllabus to crack BHEL?


    BHEL Model question paper(Answers Updated)
    1. For ELECTRICAL & ELECTRONICS with answers(bolded words)
    2. When a inductive coil connected to a 200 V, 50Hz ac supply with 10A current flowing
    through it dissipates 1000 watts then which of the following will have least value in ohms
    a.) Resistanceb.) Reactance
    c.) Impedance
    d.) None
    3. Oscillator crystal are made of –
    a.) Silicon
    b.) Germanium
    c.) Quartz
    d.) None
    4. For small size, high frequency coils, the most common core material is-a. )Airb. )Ferrite
    c.) Powdered ion
    d.) Steel
    5. If we have a parallel plate capacitor of plate area ‘A’ and plate separatoin t and having a
    capacity C and a metallic plate r of area A and of negligible thickness is introduced in the
    capacitor at a distance from either of the two plates as shown in the given
    figure then the capacity of the capacitor will become –
    b.) C
    c.) 2C
    d.) 4C
    6. A superconductor is a –
    a.) A material showing perfect conductivity and Meissner effect below a critical
    b.) A conductor having zero resistance
    c.) A perfect conductor with highest di-magnetic susceptibility
    d.) A perfect conductor which becomes resistance when the current density through it
    exceeds a critical value
    7. When an inductor tunes at 200 KHz with 624 pF capacitor and at 600 KHz with 60.4 pF
    capacitor then the self capacitance of the inductor would be –
    a) 8.05 pF
    b) 10.05pF
    c.) 16.01pF
    d.) 20.01pF
    8. Sparking occur when a load is switched off because the circuit has high –
    a.) Inductance
    b.) Capacitance
    c.) Resistance
    d.) None
    9. Sparking between contacts can be reduced by inserting a –
    a.) Resistance in the line
    b.) Capacitor in series with contacts
    c.) Capacitor in parallel with contacts
    d.) None
    10. RF amplifier of an A.M. receiver is normally biased in –
    a.) Class ‘A’
    b.) Class ‘b’
    c.) Class ‘C’
    d.) None
    11. The value of gate voltage for the operation of enhancement of only N channel MOSFET
    has to be –
    a.) High positive
    b.) High negative
    c.) Low positive
    d.) Zero
    12. The input gate current of a FET is –
    a.) a few microamperes
    b.) negligibly small
    c.) a few milliamperes
    d.) a few amperes
    13. In the following fig. with R = 30k, the value of current through 2 K resistor is –
    a.) 25 mA
    b.) 40 mA
    c.) 25/16 mA
    d.) 10 mA
    14. A step recovery diode –
    a.) has on extremely short recovery time
    b.) conducts equally well in both directions
    c.) is mainly used as a harmonic generator
    d.) is an ideal rectifiers of high frequency signals
    15. In order to get maximum undistorted output signal from CE amplifier with VCC 10V, the
    value of VCE (Q) should be approximatelya.)
    b.) 5V
    c.) 10V
    d) V
    16. In a FET the electrode, which corresponds to collector in bipolar transistor, is –
    a.) source
    b.) drain
    c.) gate
    d.) none
    17. The device which acts like an NPN and a PNP transistor connected base to base and
    emitter to collector is –a.) Triacb.) UJT
    c.) Diac
    d.) SCR
    18. A typical optical fibre has –
    a.) High refractive index core and low refractive index cladding
    b.) Low refractive index core and high refractive index cladding
    c.) Both a and b
    d.) None
    19. In the following figure circuit diagram of an op-amp based is shown. The ratio is
    equal to –
    a.) 9
    b.) 11
    c.) 10
    d.) 21
    20. When a loud speaker is connected across the terminals A and B of the network shown in
    the fig. then its impedance to obtain maximum power dissipation in it will be –
    a.) 3 – j1
    b.) 3 + j9
    c.) 7.5 + j 2.5
    d.) 7.5 – j 2.5
    21. In the lattice network, the value of R for the maximum power transfer to the load –
    a.) 5
    b.) 6.5
    c.) 8
    d.) 9
    22. For a lossy transmission line short circuited at the receiving end, the input impedance is
    given by (Z0 is the characteristic impedance, √ is the propagation constant and l is the
    length of the line-a.) Z0 cot h √lb.) Z0 cot √l
    c.) Z0 tan h.√ l
    d.) Z0 tan √l
    23. The approximate thickness of the radome wall should be –a.) λb.) λ/4
    c.) λ/2
    d.) λ/8
    24. A relatively permanent information is stored in
    a. ) ROM
    b.) RAM
    c.) PROM
    d.) Volatile memory
    25. The rise time of the RC network shown in the given figure is approximately equal to –
    b.) RC
    c.) 2RC
    d.) 4RC
    26. If in the network shown in the fig. initially a steady state is attained by closing the switch
    ‘s’ and then if the switch is opened at t = 0, then the current i(t) through the inductor will
    be – a.) cos50tA
    b.) 2A
    c.) 2cos100tA
    d.) 2sin50tA
    27. When the π network of figure – I and T-network of figure – II are equivalent then the
    values of R1, R2 and R3 will be respectively – a)
    9, 6 and 6
    b.) 6, 6 and 9
    c.) 9, 6 and 9
    d.) 6, 9 and 6
    28. When the impedance matrices of a two port networks are given by and ,
    then if these two networks are connected in series then the impedance matrix of the
    resulting two-port network will be –
    d.) indeterminate
    29. Joule/coulomb is the unit of - a.) Electric field potential b.) Potential
    c .) Charge
    d.) None of the above
    30. The electric field line and equipotential linesa.)
    Are parallel to each other
    b.)Are one and same
    c.) Cut each other orthogonally
    d.)Can be inclined to each other at any angle
    31. For a lossy transmission line short circuited at the receiving end, the input impedance is
    given by (When Z0 is the characteristic impendence γ is the propagation constant and L is
    the length of the line
    32. When two equal positive point charges are placed along X- axis at X1 and –X1
    respectively then the electric field vector at a point P on the positive Y-axis will be
    In the +x direction
    b.) In the –x direction
    c. ) In the +y direction
    d.) In the –y direction
    33. The directions of and in TEM mode transmission line with respect to the direction of
    propagation area.)
    Both and are transverse to the direction of propagation
    b.) is and are transverse and h has a component in the direction of propagation
    c.) is entirely transverse and has a component in the direction of propagation
    d. ) is entirely transverse and has a component in the direction of propagation
    34. The lowest TM mode in a rectangular waveguide of cross –section a x b with a>b will bea.)
    c.) TM112
    35. When a transmitter in a free space radiates a mean power of ‘p’ watts uniformly in all
    directions then at a distance d sufficiently far from the source in plane the electric field E
    should be related to p and d as –
    36. . When a dipole antenna was radiating with some excitation in free space radiating a
    certain amount of the power v if then this antenna is immersed in a lake where water is
    non-dissipative but has a dielectric constant of 81, then the radiated power with the same
    excitation will be
    a.) Decrease to finite non-zero value
    b.)Remain the same
    c. )Increase
    d.)Decrease to zero
    37. When a (75 – j40) load is connected to a coaxial line of Z0 = 75  at 6MHz then the
    load matching on the line can be accomplished by connectinga.)
    A short – circuited stub at the load
    b.)An inductance at the load
    c. )A short circuited stub at a specific distance from the load
    d.)none of the above
    38. As compared to analog multimeters, digital multimeters are –a.) less accurateb.) more
    c.) equally accurate
    d.) none.
    39. When a signal of 10 mV at 75 MHz is to be measured then which of the following
    instruments can be used –a.) VTVMb.) Cathode ray oscilloscope
    c.) Moving iron voltmeter
    d.) Digital multimeter
    40. Which of the following statement is true about two wattmeter method for power
    measurement in three phase current ?a.) power can be measured using two wattmeter
    method only for star connected three phase circuits.b.) when two meter show indentical
    readings, in the power factor is 0.5.
    c.) when power factor is unit, one of the wattmeter reads zero
    d.) when the reading of the two wattmeters are equal but of opposite sign, then the
    power factor is zero –
    41. When a capacitance transducer has two plates of area 5cm2 each, separated by an air gap
    of 2mm than the displacement sensitivity in pf/cm due to gap change would be –a.)
    11.1b.) 44.2
    c.) 52.3
    d.) 66.3
    42. The Q of a radio coil –a.) is independent of frequencyb.) increases monotonically as
    frequency increases
    c.) decreases monotonically as frequency increases
    d.) increases upto a certain frequency and then decreases beyond that frequency
    43. When a generator of internal impedance and operating at 1GHz feeds a load via
    a coaxial line of characteristic impedance 50 ohm then the voltage wave ratio on the feed
    line is –a.) 0.5b.) 1.5
    c.) 2.5
    d.) 1.75
    44. The coding system typically used in digital telemetry is –a.) PPM (pulse position
    modulation)b.) PAM (pulse amplitude modulation)
    c.) PCM (pulse code modulation)
    d.) PDM (pulse duration modulation)
    45. Radiation pyrometers are used for the measurement of temperature in the range of –
    a.) -2000C to 5000C
    b.) 00C to 5000C
    c.) 5000C to 12000C
    d.) 12000C to 25000C
    46. In the given figure band structure is shown. It is of –
    a.) Gallium Avesenide (GaAs)
    b.) Silicon (Si)
    c.) Copper (Cu)
    d.) Germanium (Ge)
    47. When anode is positive with respect to cathode in an SCR, the numbers of blocked p-n
    junction is –
    a.) 1
    b.) 2
    c.) 3
    d.) 4
    48. The circuit symbol for a GTO is
    a. b.
    c. d.
    49. In the given fig. mark out the type of Cyclo converters
    a.) 1 phase to 1 phase with continuous conduction
    b.) 1 phase to 1 phase with discontinuous conduction
    c.) step up device
    d.) 3 phase to 1 phase device
    In the given fig. A-1, C=5, m H and C=20 m F, C is initially charged to 200 V. After the
    S is closed at t = 0 the
    maximum value of current and the
    time at which it reaches this value are respectively.
    a.) 400 A, 15.707 mS
    50. b.) 50 A, 30 mSc.) 100 A, 62.828 mSd.) 400 A, 31.414 mS
    51. 50. In the given circuit the maximum current in the main SCR M can bea.)
    200 A
    b.) 170.7 A
    c.) 141.4 A
    d.) 70.7 A
    52. The transfer function of an amplifier is given by The
    high 3-db frequency of the amplifier will approximately
    a.) 5850 KHZ
    b.)585 KHZ
    c.) 5850 HZ
    53. In comparison to full wave rectifier with two diodes the four divide bridge rectifier has
    the dominant advantage of -
    a). Higher current carrying
    b.)Lower ripple factor
    c.) Higher efficiency
    d.)Lower peak increase voltage require
    54. Power output increase in a class-c amplifiera.)
    If the conduction angle decrease
    b).If the conduction angle increase
    c.) Are not governed by the conduction angle
    d.)None of the above
    55. A transistor with hie = 1.5 k and hfe = 75 is used in an emitter follower circuit where R1
    and R2 are used for normal biasing . Approximate value of it’s current amplification isa.)
    56. Amplifier of class B has high theoretical efficiency of 78.5 percent becausea.)
    It is biased almost to saturation
    b.)Its quiescent current is low
    c.)It’s output is an exact replica of it’s input
    d.)It is biased well below cut off
    57. The coupling that produces minimum interference with frequency response isa.)
    Direct coupling
    b.)Impedance coupling
    c.) R C coupling
    d.)Transformer coupling
    58. In the circuit shown in the given figure Rf provides
    a.) Current series feedback
    b.)Current shunt feedback
    c.) Voltage series feedback
    d.)Voltage shunt feedback
    59. Mark the correct relation for the junction transistor
    60. Data in the serial form can be converted into parallel form by using –a.) PISO shift
    registerb.) SOIP shift register
    c.) SIPO shift register
    d.) POIS shift register
    61. PROMs are used to store-a.) bulk informationb.) information to be accessed rarely
    c.) sequence information
    d.) relatively permanent information
    62. The horizontal axis in a 3 bit unipolar D/A converter represents-a.) Output bit
    combinationb.) analog output voltage
    c.) input bit combination
    d.) none of the above
    63. ‘Not allowed’ condition in NAND gate SR flip flop is –a.) s = 0, R = 0b.) s = 1, R = 1
    c.) s = 0, R = 1
    d.) s = 1, R = 0
    64. Name the fastest logic family-a) TTLb.) RTL
    c.) DCTL
    d.) ECL
    65. Equation corresponding to De Morgan’s theorem in Boolean Algebra is – a.) (A+B)
    (A+B) = AA + AB + BA + BB
    c.) A + AB = A
    d.) None of the above
    66. In the given fig find radix of the system –
    a.) 2
    b.) 4
    c.) 6
    d.) 8
    67. Modems are used for data transmission telephone lines to –a.) increase the transmission
    capacityb) improve noice performance
    c.) incorporate error control coding
    d.) eliminate dc component in the transmitted signal
    68. The figure of a control system is shown. The maximum value of gain K for which the
    system is stable is- a.)
    b.) 3
    c.) 4
    d.) 5
    69. Identify the example of open-loop system-a.) A windscreen wiperb.) Aqualung
    c.) Respiratory system of an animal
    d.) A system for controlling Anti-rocket missiles.
    70. Consider the following expressions indicating the step or impulse response of an initially
    relaxed control system-1. (5 – 4e-2+) u(t)2. (e-2t +5) (u(t))
    3 .ς(t) + 8e-2t u(t)
    4 . ς(t) + 4e-2t 4(t)
    Those which correspond to the step and impulse response of the same system includea.)
    b.) 1&4
    c.) 2&4
    d.) 1&4
    71. A system is described by
    To test its stability by Lyapunov’s method the following V functions are considered.
    Mark the most suitable V-function in this casea.)
    Only V1
    b.) Only V2
    c.) Both V1 and V2
    d.) Neither V1 nor v2
    72. Identity the polar plot of a typical type zero system with open loop transfer function
    73. The scattering matrix of a magic –tee shown in the given figure is-
    74. Which is the following relate to rational transfer function of a system-1. Ratio of Fourier
    transform of output to input with zero initial conditions.2. Ratio of Laplace transform of
    output to input with zero initial conditions.
    3. Laplace transform of system impulse response.
    4. Laplace transform of system unit step response select the correct answer using the
    codes given below.
    a.) 1 and 4
    b.) 2 and 3
    c.) 1 and 3
    d.) 2 and 4
    75. For the signal g (t) – 10 cos (50 pt) cos2 (150at)The Nyquist sampling state in t seconds
    isa.) 150 samples per second
    b.) 200 samples per second
    c.) 300 samples per second
    d.) 350 samples per second
    76. In the case of a 70 MHz 1F carries for a transponder band width of 36 MHz; energy must
    lie between – MHz.a.) 34 and 106b.) 52. And 88
    c.) 106 and 142
    d.) 34 and 142
    77. Radar used to eliminate clutter in navigational application is –a.) Pulse radarb.) Tracking
    c.) MTI radar
    d.) Mono pulse radar
    78. The 1.55 mm windows is not yet in use with fiber optic systems because –a.) The
    attenuation is higher than at 0.85 mm b) The attenuation is higher than at 1.3mm
    c.) Suitable laser devices have not yet been developed
    d.) It does not lend itself to wavelength multiplexing
    79. Pre-emphasis in FM systems involves-a.) Compression of the modulating signalb.)
    Expansion of the modulating signal
    c.) Amplification of lower frequency components of the modulating signal.
    d.) Amplification of higher frequency components of the modulating signal.
    80. In a terrestrial microwave system transmission of signals is achieved through-a.)
    reflection from the ionosphereb.) line of sight mode
    c) reflection from the ground
    d.) diffraction from the stratosphere.
    81. Casse grain feed is used with a parabolic reflector toa.) increase the gain of the systemb).
    increase the bandwidth of the system
    c.) reduce the size of the main reflector
    d.) allow the feed to be placed at a convenient point.
    82. In most microwave communication link rain drop attenuation is caused due to-a.)
    scattering of microwaves by water drops of specific size.b) scattering of microwaves by a
    collection of droplets acing as a single body.
    c.) absorption of microwaves by water and consequent heating of the liquid
    d.) absorption of the microwaves by water vapor in the atmosphere.
    83. Circuit in the given figure represents. – a.) an astable
    b.) A monostable multivibrator
    c.) Voltage controlled oscillator
    d.) Ramp generator
    84. . . D = r is-a.) Maxwell’s 1st equationb.) Maxwell’s II equation
    c.) Maxwell’s III equation
    d.) Maxwell’s IV equation
    85. In a rectangular wave-guide which TM mode exists-a.) TM00b.) TM01
    c.) Tm10
    d.) TM11
    86. In directional coupler a portion of power two velliry fram port 1) to port 2) is coupled
    to.a). port 4b). port 3
    c.) port 2.
    d.) port 3 & 4.
    87. For high power i.e. 10 w to 50 kw measurement –
    a.) Barometer are used
    b.) Thermisters are used
    c.) Calorimetric technique
    d.) Calorimetric watt meter technique used
    88. The difference between TWT & klystron is –
    a.) In TWT electrons are in contact with RF field for long time & in klystron for
    short time
    b.) In klystron electrons are in contact with RF field for long time & in TWT for short
    c.) In klystron there is no contact in RF field & electrons while in TWT there is contact
    d.) In TWT phase is no contact is RF field & electrons while in klystron there is contact
    89. Which one is most suitable for transmission through wave guidea.)
    Hown antennas
    b.) Bioconical antennas
    c.) helical antenna
    d. )Discone
    90. The skip distance of microwave is given by –
    b. )
    91. How many general purpose registers 8085mpa.)
    b.) 6
    c.) 8
    c.) 10
    92. 8085 mP has no. of addressing modesa.)
    b.) 3
    c.) 4
    d.) 5
    93. What will be status of z and c y flag after execution of SUB A instruction
    a.) z = 0, cy = 0
    b.) z = 0, cy = 1
    c.) z = 1, cy = 0
    d.) z = 1, cy = 1
    94. Microprocessor accept interrupt only if.
    a.) interrupt flip flop disabled.
    b.) when INTA signal is low.
    c. ) interrupt flip flop enabled.
    d.) none of above.
    95. Microprogramming is a technique
    a.) for programming the microprocessor
    b.) for writing small programs efficiently
    c.) for programming the control steps of computer
    d.) for programming o/p / i/p
    96. High level programs like C are converted into machine language with the help ofa.)
    interpreterb.) compiler
    c.) operating
    d.) system
    97. (10110011)2 = (?)8a.) 253b.) 263
    c.) 273
    d.) 283
    98. A Not gate at the output of AND gate converts AND gate into-a.) NANDb.) NOR
    c.) AND
    d.) NOPE.
    99. The O/P of a logic gate is the gate must be-a.) ANDb.) OR
    c.) NAND
    d.) X-OR
    100. A symbol of JK flip flop is-
    101. A demultiplener-a.) has multiple i/p and single o/pb.) has multiple i/p and
    multiple o/p
    c.) has multiple i/p and multiple o/p
    d.) has single i/p and single o/p
    102. . Which of the following best describes the authour`s attitude toward fairy tales
    ?a.) fascinationb.) open approval.
    c.) Indulgent tolerance.
    d.) Scornful.
    103. What type of sentence is this ?Hurray! We won the matcha.) Exclamatory
    b.) assertive
    c.) Negative
    d.) Affirmative
    104. Before which of the following word will you put ‘a’a.) hourb.) M. A.
    c.) Umbrella
    d.) Man
    105. The noun form of ‘fresh’ is –a.) freshlyb.) freshen
    c.) fresheners
    d.) fresh itself
    106. The word ‘clang’ is an example of –a.) Simileb.) inversion
    c.) onomatopoeia
    d.) irony
    107. The Forbes magazine acclaimed Azim Premji as richest India’s is the chairman
    of-a.) Pentafour softwareb) Infosys
    c.) IBM
    d.) Wipro
    108. Bharat Ratna award for the year 2001 goes to-a.) Lata Mangeshkar and Zakeer
    Hussainb.) Zakeer Hussain and Bismillah Khan
    c.) Bismillah Khan and Lata Mangeshkar
    d.) Lata Mangeshkar and Ustad Amzad Ali Khan
    109. Mr. George W-Bush takes over as —— President of the united states of America
    succeeding Mr. Bill Clinton-a.) 42nd
    b.) 43rd
    c.) 40th
    d.) 45th
    110. New Chief Minister of Pondicherry is-a.) T. Venkat Naidub.) K. Hari Harh
    c.) N. Rengaswany
    d.) M. Mudliar
    111. No court has the jurisdiction to interfere with the election process once set in
    motion by the Election commission. This is enshrined in Article-a.) 311b.) 329
    c.) 356
    d.) 365
    112. Ostrich is a-a.) Running birdb.) Flying bird
    c) Swimming bird
    d.) Migratory bird
    113. The main atmospheric gas responsible for green house is-a.) Oxygenb.) Nitrogen
    c.) Ozone
    d.) Carbon-dioxide
    114. Which of the following is not a Kharif Crop-a.) Riceb.) groundnut
    c.) Sugarcane
    d.) gram
    115. The function of World Bank is to-a.) Help in reconstruction and development
    of world economyb.) Facilitate poor countries to trade on concessional rates
    c.) Promote growth of international trade and equilibrium in balance of payments
    d.) Ease trade barriers and establish rule of fair trade
    116. Speed of sound is maximum in-a. )Waterb.) Air
    c.) Steel
    d.) Vacuum
    117. “Long years ago we made a trust with destiny.” Whose words are these-a.)
    Subhash Chandra Boseb.) Jawaharlal Nehru
    c.) Lajpat Rai
    d.) Bhagat Singh
    118. Durand cup is associated with-a.) Hockeyb.) Tennis
    c.) Football
    d.) Badminton
    119. Rabindranath Tagore was awarded the Nobel Prize in literature in the year.a.)
    1908b.) 1910
    c.) 1913
    d.) 1914
    120. India successfully conducted its first underground nuclear experiment at Pokhran
    in Rajas than on-a.) May 18, 1975b.) May 20, 1974
    c) May 17, 1974
    d.) May 17, 1974
    121. An emergency loan of $ 500 million to help reconstruct infrastructure in earth
    quake devastated Gujarat approved by-a.) Asian development Bankb.) World Bank
    c.) Swiss Bank
    d.) Reserve Bank of India



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