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BHEL Supervisor Trainee Exam syllabus |

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Re: BHEL Supervisor Trainee Exam syllabus
This is the BHEL Supervisor Trainee Exam syllabus: Quantitative Aptitude, Reasoning, Logical thinking, English, General Awareness BHEL Electronics and Electrical Model QuestionWhen 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.) Reactancec.) Impedance d.) None Oscillator crystal are made of – a.) Silicon b.) Germanium c.) Quartz d.) None For small size, high frequency coils, the most common core material is-a. )Airb. )Ferrite c.) Powdered ion d.) Steel 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 – a.) b.) C c.) 2C d.) 4C A superconductor is a – a.) A material showing perfect conductivity and Meissner effect below a critical temperature 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 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 Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None 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 RF amplifier of an A.M. receiver is normally biased in – a.) Class ‘A’ b.) Class ‘b’ c.) Class ‘C’ d.) None 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 The input gate current of a FET is – a.) a few microamperes b.) negligibly small c.) a few milliamperes d.) a few amperes 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 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 In order to get maximum undistorted output signal from CE amplifier with VCC 10V, the value of VCE (Q) should be approximately- a.) 0.1V b.) 5V c.) 10V d) V In a FET the electrode, which corresponds to collector in bipolar transistor, is – a.) source b.) drain c.) gate d.) none 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 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 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 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 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 For a lossy transmission line short circuited at the receiving end, the input impedance is given by (Z0 is the characteristic impedance, Ö is the propagation constant and l is the length of the line-a.) Z0 cot h Ölb.) Z0 cot Öl c.) Z0 tan h.Ö l d.) Z0 tan Öl The approximate thickness of the radome wall should be –a.) lb.) l/4 c.) l/2 d.) l/8 A relatively permanent information is stored in a. ) ROM b.) RAM c.) PROM d.) Volatile memory The rise time of the RC network shown in the given figure is approximately equal to – b.) RC c.) 2RC d.) 4RC 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 When the p network of figure – I and T-network of figure – II are equivalent then the values of R1, R2 and R3 will be respectively – a) 9W, 6W and 6W b.) 6W, 6W and 9W c.) 9W, 6W and 9W d.) 6W, 9W and 6W 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 Joule/coulomb is the unit of – a.) Electric field potential b.) Potential c .) Charge d.) None of the above The electric field line and equipotential lines- a.) 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 For a lossy transmission line short circuited at the receiving end, the input impedance is given by (When Z0 is the characteristic impendence g is the propagation constant and L is the length of the line 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 directed- a.) In the +x direction b.) In the –x direction c. ) In the +y direction d.) In the –y direction The directions of and in TEM mode transmission line with respect to the direction of propagation are- a.) 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 The lowest TM mode in a rectangular waveguide of cross –section a x b with a>b will be- a.) TM01 b.)TE10 c.) TM112 d.)TE11 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 – . 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 When a (75 – j40)W load is connected to a coaxial line of Z0 = 75 W at 6MHz then the load matching on the line can be accomplished by connecting- a.) 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 As compared to analog multimeters, digital multimeters are –a.) less accurateb.) more accurate c.) equally accurate d.) none. 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 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 – 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 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 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 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) 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 In the given figure band structure is shown. It is of – a.) Gallium Avesenide (GaAs) b.) Silicon (Si) c.) Copper (Cu) d.) Germanium (Ge) 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 The circuit symbol for a GTO is a. b. c. d. 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 switch. 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 b.) 50 A, 30 mSc.) 100 A, 62.828 mSd.) 400 A, 31.414 mS |

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Re: BHEL Supervisor Trainee Exam syllabus
Here you are looking for syllabus of BHEL Supervisor Trainee Exam, as you want here I am providing you. BHEL: Bharat Heavy Electricals Limited Specifications:Qualifications:Candidates must have a Diploma in Engineering or Technology in MECHANICAL/ ELECTRICAL/ ELECTRONICS/ CIVIL with minimum 65% marks in the aggregate of all years/ semesters from any recognized university. (Minimum 60% For SC / ST ) Age limit: 27 years Age relaxation for reserve candidates is as per rule. EligibilityAll candidates meeting the above job specifications, working in A7 or lower grades in BHEL are eligible to apply. The departmental candidates in A6/ A7 grades, if finally selected, shall be allowed weightage as approved earlier for the previous batches of Supervisor Trainees. Following is the list of Written Test centers:Banglore Kanpur Kolkata Mumbai Bhopal Chandigarh Chennai Delhi Haridwar Hyderabad Nagpur Tiruchirappalli Varanasi Vishakhapatnam Syllabus for Electrical and Electronics Engineering for BHEL Engineering Trainee Exam:Subject Network Theory Control System Electronic Devices and Circuits Analog Electronic Circuits Signals and Systems Microprocessors Communication Systems Microwave Engineering Digital Electronic Circuits Material and Components Power Electronics General Computer Engineering General Awareness SyllabusGeneral English Arithmetic Reasoning Ability Data Interpretation General Knowledge General Science SAMPLE TEST QUESTION PAPER (HOW EXAM PAPER LOOK ALIKE) 1. APTITUDE TEST Directions: In the following question, pick the choice whose meaning is opposite to the word shown in capitals. 1. HOI POLLOI: (1) Cannibalism (2) Tyranny (3) The past (4) Aristocracy (5) Capitalist 2. Which of the following numbers is least? (1) (1/4)2 (2) 49 (3) 4-9 (4) 42 3. It costs Rs.4.25 for two adults and their child to attend the Circus. If the child’s ticket is half the price of adult’s ticket, what is the price of an adult’s ticket? (1) Rs.0.75 (2)Rs. 1.70 (3) Rs.1.75 (4) Rs.1.44 4. If `a’ is less than 50 and ‘b’ is less than 25, it follows that: (1) a=2b (2) `a` is greater than b (3) a+b is less than 75 (4) a-b =25 (5) None of these 2. TECHNICAL TEST (for Supervisor Trainees) CIVIL ENGINEERING 1. When a rectangular beam is loaded transversely, the maximum tensile stress is developed on the (1) top layer (2) bottom layer (3) neutral axis (4) every cross section (5) none of these 2. The velocity at which the laminar flow stops, is known as (1) velocity of approach (2) lower critical velocity (3) higher critical velocity (4) medium critical velocity (5) none of these ELECTRICAL ENGINEERING 1. ) If a hot resistance of an indicator lamp is 50 Ohm and rated current is 0.2A, its rated voltage is (1) 2V (2) 5V (3) 10V (4) 20V (5) 25V 2. What resistance must be connected in parallel with one of 8.5 ohm to give an equivalent resistance of 5.1 ohm? (1) 15.72 ohm (2) 12.75 ohm (3) 17.52 ohm (4) 15.27 ohm (5) None of these ELECTRONICS ENGINEERING1. A reflex Klystron function as: (1) Microwave amplifier (2) Microwave oscillator (3) A high gain cavity (4) both as amplifier and as oscillator (5) None of these 2. Thermocouple instruments are also known as (1) R F instruments (2) PMMC instruments (3) Rectifier instruments (4) Digital instruments (5) None of these MECHANICAL ENGINEERING1. Kelvin-Planck’s law deals with (1) conservation of work (2) conservation of heat (3) conversion of heat into work (4) conversion of work into heat (5) none of these 2. ) In involute gears, the pressure angle (1) dependent on the size of teeth (2) dependent on the size of gears (3) always constant (4) always variable (5) none of these ANSWER KEY 1. APTITUDE TEST 1(4) 2.(3) 3.(2) 4.(3) 2. TECHNICAL TEST 1. CIVIL ENGG. 1. (1) 2. (2) 2. ELECTRICAL ENGG. 1. (3) 2. (2) 3. ELECTRONICS ENGG. 1. (2) 2. (3) 4. MECHANICAL ENGG. 1. (3) 2. (3) If you want any more details about give information please let me know we will provide you. |