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Electrical Engineering

Smart Series Quiz-1

These questions are taken from smart series book which covers all the subjects of Electrical Engineering and Technology Field

1 / 30

Category: Singal and Systems

1) The _____ time signal is described for all values of time.

2 / 30

Category: Basic Electrical Engineering

2) Which line is obtained by the method of least square?

We have to maintain flatness of the surface.

3 / 30

Category: Power System Analysis

3) Which of the following are considered as disadvantages(s) of Gauss-Seidel method over Newton Raphson method in load flow analysis?

4 / 30

Category: Electroncis

4) A semiconductor device is connected in a series circuit with a battery and a resistance. If the polarity of battery is reversed, the current drops almost to zero. The device may be

5 / 30

Category: Basic Electrical Engineering

5) Conjunction x ^ y behaves on digits 0 and 1 exactly as ____ does for ordinary algebra.

6 / 30

Category: Power Transmission and Distributions

6) Drop out to cut off ratio for most relays is of the order of

7 / 30

Category: Electrical Machines

7) Radio frequency chokes are air cored to

8 / 30

Category: Power System Analysis

8) The quantity "Rm" which relates dependent voltage to controlling current is called

9 / 30

Category: Singal and Systems

9) Main purpose of modulation process is to

We have to maintain flatness of the surface.

10 / 30

Category: DC Machines

10) The Pole Shoes of DC Machines are fastened to the pole core by:

11 / 30

Category: Power Electroncis

11) If the firing angle in an SCR rectifier is decreased, output will be

12 / 30

Category: Power Transmission and Distributions

12) Which of the following conditions relate line resistance 'R' and line reactance 'X' for maximum steady state power transmission on a transmission line?

13 / 30

Category: Power System Analysis

13) Which of the following ideas means deciding at runtime what strategy to summon?

14 / 30

Category: Basic Electrical Engineering

14) At very sunny places this source(s) of energy can be found

15 / 30

Category: Power Plant

15) If field resistance of DC shunt generator is increased beyond its critical value, the generator

16 / 30

Category: Power System Analysis

16) There are ____ types of dependent sources, depending on the controlling variable and output of the source.

17 / 30

Category: Power Transmission and Distributions

17) For which purpose bundled conductors are employed to a power system

18 / 30

Category: Electrical Machines

18) A transformer transforms

19 / 30

Category: Basic Electrical Engineering

19) If the input capacitor of a power supply is shorted, it will result in

20 / 30

Category: Power Plant

20) The average fossil fuel plant convers about is ______ % of the power going in to the power going out.

21 / 30

Category: Power System Analysis

21) Power in AC circuit is found by

22 / 30

Category: Network Analysis

22) Admittance is the reciprocal of

23 / 30

Category: Electroncis

23) Discrete device field effect transistor is classified on the basis of their

24 / 30

Category: Power Plant

24) Landfill gas is actually _______ used in thermal power plants.

25 / 30

Category: Electrical Machines

25) Fundamental property used in single node pair circuit analyzer is that ______ across all elements is same.

26 / 30

Category: Power Plant

26) ______ is a by-product of paper industry, which is used by many industries as a primary source of electricity.

27 / 30

Category: Telecommunications

27) Modulation index in amplitude modulation

28 / 30

Category: Probability

28) What is the probability of a number "2" when a dice is thrown?

29 / 30

Category: Basic Electrical Engineering

29) Fourier series are infinite series of elementary trigonometric functions i.e. Sine and

30 / 30

Category: Electroncis

30) SCR (Silicon Controlled Rectifier) goes into saturation, when gate-cathode junction is

The average score is 28%

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Electrical Engineering

Smart Series Quiz-2

These questions are taken from smart series book which covers all the subjects of Electrical Engineering and Technology Field

1 / 30

Category: Power Transmission and Distributions

1) If all conductive objects are bonded to same earth grounding system, the risk of electric shock is

2 / 30

Category: Power Transmission and Distributions

2) The electric dipole moment per unit volume of the dielectric is called

3 / 30

Category: Power System Analysis

3) The partial derivatives "fxy" and "fyx" are called ____ derivatives.

4 / 30

Category: Power Transmission and Distributions

4) The main criterion for selection of the size of power distribution using a radial distribution system is

5 / 30

Category: Electroncis

5) The TRIAC is a ____ device with control terminal

6 / 30

Category: Network Analysis

6) If we have two points "A" and "B" on node and the voltage is represented by Vab, then ____ is taken as reference.

7 / 30

Category: Telecommunications

7) Unguided propagation involves

8 / 30

Category: Control Systems

8) For the same peak value of voltage which waveform will have the least RMS value?

9 / 30

Category: Network Analysis

9) The line integral of the electric field around a closed loop is equal to the negative of the rate of change of magnetic flux through the area enclosed by the loop. This statement is known as:

10 / 30

Category: Control Systems

10) A system is ____, if the natural response neither decays nor grows, but remains constant or oscillates.

11 / 30

Category: Telecommunications

11) Single sideband techniques are mostly employed for

12 / 30

Category: DC Machines

12) Stepper motor is a/an ____ motor which divides full rotation into large number of steps.

13 / 30

Category: Network Analysis

13) Preferring a ____ consists of using OHM's law to take an existing voltage source in series with a resistance and replace it with current source in parallel with same resistance.

14 / 30

Category: Power System Analysis

14) Green function method is a useful technique for solving

15 / 30

Category: Power Electroncis

15) Dynamic resistance of diode

16 / 30

Category: Singal and Systems

16) The negative maximum of cosine wave occurs at

17 / 30

Category: Electroncis

17) For current amplification in BJT, we mostly use

18 / 30

Category: Electrical Machines

18) Self-induction of a solenoid is

19 / 30

Category: Power Plant

19) Which of the following sources have highest power generation capacity?

20 / 30

Category: Control Systems

20) In open loop control system, input is ____ output.

21 / 30

Category: Control Systems

21) If A is a square matrix with 3 x 3 order having det(A)=21, then what will be the det(2A)? Whereas det is dterminant.

22 / 30

Category: DC Machines

22) DC generators have ____ on rotating shafts that converts AC in DC.

23 / 30

Category: Power Transmission and Distributions

23) Transmission lines mostly use high voltage ____ alternating current.

24 / 30

Category: DC Machines

24) In a DC generator, brushes on the commutator are shifted from geometrical neutral position to

25 / 30

Category: Electroncis

25) N-type material is formed by doping pure silicon with

26 / 30

Category: Power Transmission and Distributions

26) Usually high tension cables can be use for electric power transmission but the voltage should not exceed

27 / 30

Category: Network Analysis

27) The sum of all potential differences in a complete loop through the circuit should be

28 / 30

Category: Uncategorized

28) A state during which nothing happens is known as

29 / 30

Category: Control Systems

29) Error in a computer program is called

30 / 30

Category: Power Transmission and Distributions

30) There are two type of overload protection; instantaneous over current and ____