Python for beginners – Learn all the basics of python

Post Views: 4

Learn how to program in python- python functions-python basic apps – python tips and tricks – Other Python features

Are you an Electrical Engineer??? If Yes Take Following Quiz

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.

a) Discrete

b) Continuous

c) Random

d) Digital

2 / 30

Category: Power Plant

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

a) 33

b) 40

c) 25

d) 50

We have to maintain flatness of the surface.

3 / 30

Category: DC Machines

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

a) Welding

b) Soldering

c) Countersunk Screws

d) Steel Clumps

4 / 30

Category: Power System Analysis

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

a) Dynamic typing

b) Dynamic hiding

c) Dynamic loading

d) Dynamic blinding

5 / 30

Category: Power Plant

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

a) output voltage will exceed its nameplate rating

b) will not build up

c) may burn out if loaded to its nameplate rating

d) power output may exceed its nameplate rating

6 / 30

Category: Power System Analysis

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

a) Trans Conductance

b) Maximum Resistance

c) Trans Resistance

d) Limiting Resistance

7 / 30

Category: Telecommunications

7) Modulation index in amplitude modulation

a) Is defined as the measure of extent of amplitude variation about an un-modulated carrier.

b) Does not impact power dissipation

c) Is independent of integral multiple of amplitude

d) None of these

8 / 30

Category: Power Transmission and Distributions

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

a) 0.2 to 0.3

b) 0.3 to 0.4

c) 0.4 to 0.6

d) 0.6 to 1.0

We have to maintain flatness of the surface.

9 / 30

Category: Power System Analysis

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

a) More iteration

b) More memory requirement and less accuracy

c) Less iteration but more memory

d) More accuracy and more memory

10 / 30

Category: Electroncis

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

a) Forward biased

b) Reversed biased

c) In steady state

d) Polarized

11 / 30

Category: Probability

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

a) 2/6

b) 1/3

c) 1/6

d) 1/4

12 / 30

Category: Basic Electrical Engineering

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

a) Straight line

b) Second degree equation line

c) Polynomial equation line

d) Best fit line

13 / 30

Category: Electroncis

13) 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

a) P-type semiconductor

b) N-type semiconductor

c) P-N junction

d) An intrinsic semiconductor

14 / 30

Category: Electrical Machines

14) Radio frequency chokes are air cored to

a) Keep frequency low

b) Keep inductive reactance low

c) Keep frequency high

d) Keep inductive reactance high

15 / 30

Category: Basic Electrical Engineering

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

a) Jet fuel

b) Geothermal

c) Solar

d) Both B & C

16 / 30

Category: Power Plant

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

a) Landfill gas

b) Sludge waste

c) Black Liquor

d) Wood waste

17 / 30

Category: Power Electroncis

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

a) Maximum

b) Increased

c) Decreased

d) Unaffected

18 / 30

Category: Electrical Machines

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

a) Current

b) Voltage

c) Resistance

d) Inductance

19 / 30

Category: Electrical Machines

19) A transformer transforms

a) Voltage

b) Power

c) Frequency

d) Current

e) Both A & D

20 / 30

Category: Power Transmission and Distributions

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

a) X=R

b) R=[Square Root (3)]*X

c) X=[Square Root (3)]*R

d) X=R / [Square Root (3)]

21 / 30

Category: Basic Electrical Engineering

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

a) Cosine

b) Sec

c) Cosec

d) Tan

22 / 30

Category: Network Analysis

22) Admittance is the reciprocal of

a) Capacitive reactance

b) Inductive reactance

c) Reactive power

d) Impedance

23 / 30

Category: Basic Electrical Engineering

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

a) Excessive hum

b) Reduced voltage output

c) No voltage output

d) Low voltage output

24 / 30

Category: Electroncis

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

a) Resistive state

b) Conducting state

c) Voltaic state

d) Control gate construction

25 / 30

Category: Power System Analysis

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

a) Two

b) Three

c) Four

d) Five

26 / 30

Category: Basic Electrical Engineering

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

a) Addition

b) Subtraction

c) Multiplication

d) Division

27 / 30

Category: Power Plant

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

a) Methane

b) Ethane

c) Black Liquor

d) Phosphorus

28 / 30

Category: Power Transmission and Distributions

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

a) Appearance of the transmission line

b) Mechanical stability of the line

c) Decrease system stability

d) Increase the short circuit current

29 / 30

Category: Singal and Systems

29) Main purpose of modulation process is to

a) Distort the original signal

b) Add extra noise to the signal

c) Reduce the mutual interference

d) Time shift in frequency

e) Increase signal to noise ratio

30 / 30

Category: Power System Analysis

30) Power in AC circuit is found by

a) VI sin (phi)

b) VI tan (phi)

c) VI cos (phi)

d) VI

Your score is

The average score is 28%

Free Udemy Course With Certification
Free certification course for student so that he can enlarge his skills and get certification
📣 Note: All Courses Are Free For 1000 Enrolls Only. After That Coupons Will Not Apply. So Enroll Course ASAP