Post Views: 2

No-Code Machine Learning with Qlik AutoML

Learn Machine Learning Concepts, Build your Model & get accurate predictions without writing any Code using Qlik AutoML

Course coupon will expire in both cases (which comes first)

1000 Coupons are used

24 hours passed

If YOU are an Electrical Engineer then following quiz is for YOU

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: Power Electroncis

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

a) Maximum

b) Increased

c) Decreased

d) Unaffected

We have to maintain flatness of the surface.

2 / 30

Category: Power System Analysis

2) 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

3 / 30

Category: Electroncis

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

a) Forward biased

b) Reversed biased

c) In steady state

d) Polarized

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

a) P-type semiconductor

b) N-type semiconductor

c) P-N junction

d) An intrinsic semiconductor

5 / 30

Category: Power Transmission and Distributions

5) 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

6 / 30

Category: Telecommunications

6) 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

7 / 30

Category: Network Analysis

7) Admittance is the reciprocal of

a) Capacitive reactance

b) Inductive reactance

c) Reactive power

d) Impedance

8 / 30

Category: Power Transmission and Distributions

8) 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)]

9 / 30

Category: Power System Analysis

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

a) Two

b) Three

c) Four

d) Five

10 / 30

Category: Basic Electrical Engineering

10) 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

11 / 30

Category: Electrical Machines

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

a) Current

b) Voltage

c) Resistance

d) Inductance

12 / 30

Category: Singal and Systems

12) 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

13 / 30

Category: Electrical Machines

13) 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

14 / 30

Category: Electroncis

14) 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

15 / 30

Category: Power System Analysis

15) The quantity “Rm” which relates dependent voltage to controlling current is called

a) Trans Conductance

b) Maximum Resistance

c) Trans Resistance

d) Limiting Resistance

16 / 30

Category: Electrical Machines

16) A transformer transforms

a) Voltage

b) Power

c) Frequency

d) Current

e) Both A & D

17 / 30

Category: Basic Electrical Engineering

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

a) Cosine

b) Sec

c) Cosec

d) Tan

18 / 30

Category: Power Plant

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

a) Methane

b) Ethane

c) Black Liquor

d) Phosphorus

We have to maintain flatness of the surface.

19 / 30

Category: DC Machines

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

a) Welding

b) Soldering

c) Countersunk Screws

d) Steel Clumps

20 / 30

Category: Power Plant

20) 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

21 / 30

Category: Basic Electrical Engineering

21) 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

22 / 30

Category: Power Plant

22) 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

23 / 30

Category: Power Transmission and Distributions

23) 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

24 / 30

Category: Basic Electrical Engineering

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

a) Jet fuel

b) Geothermal

c) Solar

d) Both B & C

25 / 30

Category: Basic Electrical Engineering

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

a) Addition

b) Subtraction

c) Multiplication

d) Division

26 / 30

Category: Probability

26) 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

27 / 30

Category: Power Plant

27) ______ 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

28 / 30

Category: Power System Analysis

28) Power in AC circuit is found by

a) VI sin (phi)

b) VI tan (phi)

c) VI cos (phi)

d) VI

29 / 30

Category: Power System Analysis

29) 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

30 / 30

Category: Singal and Systems

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

a) Discrete

b) Continuous

c) Random

d) Digital

Your score is

The average score is 28%

Disclaimer:

These course coupons are offered by the official website and we do not have any type of ownership of courses.

Enroll Now

More Courses

No-Code Machine Learning with Qlik AutoML

Course coupon will expire in both cases (which comes first)

If YOU are an Electrical Engineer then following quiz is for YOU

Disclaimer:

These course coupons are offered by the official website and we do not have any type of ownership of courses.

Like this:

Related

Leave a Comment Cancel Reply

No-Code Machine Learning with Qlik AutoML

Course coupon will expire in both cases (which comes first)

If YOU are an Electrical Engineer then following quiz is for YOU

Disclaimer:

These course coupons are offered by the official website and we do not have any type of ownership of courses.

Share this:

Like this:

Related

Related Posts

Leave a Comment Cancel Reply