Bharat Heavy Electricals Ltd syllabus of Electronics and Electrical Engineering - 2017-2018 StudyChaCha

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Old May 21st, 2014, 11:20 AM
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Default Bharat Heavy Electricals Ltd syllabus of Electronics and Electrical Engineering

I want to apply for the post in Bharat Heavy Electricals Ltd and for that I want to get the syllabus of Electronics and Electrical Engineering so can you provide me that?
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  #2  
Old May 21st, 2014, 05:50 PM
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Default Re: Bharat Heavy Electricals Ltd syllabus of Electronics and Electrical Engineering

As you want to get the syllabus of Electronics and Electrical Engineering of Bharat Heavy Electricals Ltd so here is the information of the same for you:

1. Network Theory

2. Control System

3. Electronic Devices and Circuits

4. Analog Electronic Circuits

5. Signals and Systems

6.Microprocessors

7. Communication Systems

8. Microwave Engineering

9. Digital Electronic Circuits

10. Material and Components

11. Power Electronics

12. General Computer Engineering

13. General Awareness

Exam Pattern

The minimum cut-off is 65%

The exam is divided into
1. Technical
2. Aptitude
3. General English

Total of 240 marks of which TECHNICAL IS 120 and APTITUDE AND GENERAL ENGLISH IS 120

All the questions are of choosing type with 5 options in each questions

Contact Details:
Bharat Heavy Electricals Limited
960 EVR Periyar Building,
Anna Salai,
CIT Nagar West, CIT Nagar,
Chennai,
Tamil Nadu 600035 ‎
044 2434 1751
India

Map Location:
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  #3  
Old February 21st, 2015, 04:24 PM
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Default Re: Bharat Heavy Electricals Ltd syllabus of Electronics and Electrical Engineering

As you are looking for the BHEL Electronics and Communication exam Syllabus , here I am providing same for you .
Technical Section
1. Electronic Devices and Circuits
2. Control System
3. Network Theory
4. Analog Electronic Circuits
5. Signals and Systems
6. Microprocessors
7. Communication Systems
8. Microwave Engineering
9. Digital Electronic Circuits
10. Material and Components
11. Power Electronics
12. General Computer Engineering
13. General Awareness

Arithmetic Section:
1) Time and Distance: will come same like simple aptitude questions based on Time and Distance

2) Time and Work: Questions will come same like simple aptitude questions based on Time and Work.

3) Additions: Simple addition based questions will be there in this topic.

4) Subtractions: Simple subtraction based questions will be there in this topic.

5) Divisions: Simple division based questions will be there in this topic

6) LCM and HCF

7) Percentage: Simple percentage based questions will be there in this topic.

8) Simple Interest: Simple SI based questions will be there in this topic.

9) Compound Interest: Simple CI based questions will be there in this topic.

10) Clocks and Calendar

General English Section -
The questions will come under this General English section is given below:

1) Reading Comprehension: English paragraph will be there in this section. You need to read and give the hidden answer from the paragraphs.

2) Common Errors: English Grammar General Question will come in which you have to correct the sentences.

3) One Word Substitutions: in this section you have to give one word substitution to the whole sentence.

4) Fill in the blanks: simple questions will come in which you have to fill the vacant space from the given options.

5) Idioms and Phrases.

6) Sentence Rearrangements: in this section you have to sort out the right order for the given unordered sentences.

BHEL Electronics and Communication exam paper

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.) 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, Φ is the propagation constant and l is the length of the line-a.) Z0 cot h Φlb.) Z0 cot Φl c.) Z0 tan h.Φ l
d.) Z0 tan Φl
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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