**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:* **Electroncis**

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

2 / 30

*Category:* **Singal and Systems**

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

3 / 30

*Category:* **Electroncis**

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

4 / 30

*Category:* **Power Plant**

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

5 / 30

*Category:* **Electroncis**

5) 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

6 / 30

*Category:* **Electrical Machines**

6) Radio frequency chokes are air cored to

7 / 30

*Category:* **Electrical Machines**

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

8 / 30

*Category:* **Power Transmission and Distributions**

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

9 / 30

*Category:* **Power Transmission and Distributions**

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

10 / 30

*Category:* **Telecommunications**

10) Modulation index in amplitude modulation

11 / 30

*Category:* **Power System Analysis**

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

12 / 30

*Category:* **Power Plant**

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

13 / 30

*Category:* **Power Plant**

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

We have to maintain flatness of the surface.

14 / 30

*Category:* **DC Machines**

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

Countersunk Screws have flattened head which provide flat and smooth surface to avoid any irregulation in pole flux.

15 / 30

*Category:* **Power System Analysis**

15) Power in AC circuit is found by

16 / 30

*Category:* **Basic Electrical Engineering**

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

17 / 30

*Category:* **Power System Analysis**

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

We have to maintain flatness of the surface.

18 / 30

*Category:* **Power System Analysis**

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

Countersunk Screws have flattened head which provide flat and smooth surface to avoid any irregulation in pole flux.

19 / 30

*Category:* **Probability**

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

20 / 30

*Category:* **Basic Electrical Engineering**

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

21 / 30

*Category:* **Power Electroncis**

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

22 / 30

*Category:* **Power System Analysis**

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

23 / 30

*Category:* **Basic Electrical Engineering**

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

24 / 30

*Category:* **Power Transmission and Distributions**

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

25 / 30

*Category:* **Power Plant**

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

26 / 30

*Category:* **Singal and Systems**

26) Main purpose of modulation process is to

27 / 30

*Category:* **Basic Electrical Engineering**

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

28 / 30

*Category:* **Network Analysis**

28) Admittance is the reciprocal of

29 / 30

*Category:* **Basic Electrical Engineering**

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

30 / 30

*Category:* **Electrical Machines**

30) A transformer transforms

According to NTS the answer is voltage and current, however in actual it is the power which transformer transforms.