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Fundamentals of Metal Machining Techniques & Machine Tools

Develop Your Metalworking Expertise to Excel in the Competitive Manufacturing Industry. Metal Machining Techniques & Machine Tools

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

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

We have to maintain flatness of the surface.

1 / 30

Category: DC Machines

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

a) Welding

b) Soldering

c) Countersunk Screws

d) Steel Clumps

2 / 30

Category: Electroncis

2) 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

3 / 30

Category: Power System Analysis

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

a) Two

b) Three

c) Four

d) Five

4 / 30

Category: Basic Electrical Engineering

4) 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

5 / 30

Category: Telecommunications

5) 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

6 / 30

Category: Power Transmission and Distributions

6) 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

7 / 30

Category: Singal and Systems

7) 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

8 / 30

Category: Power Plant

8) 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

9 / 30

Category: Basic Electrical Engineering

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

a) Jet fuel

b) Geothermal

c) Solar

d) Both B & C

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: Power Transmission and Distributions

11) 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

12 / 30

Category: Electrical Machines

12) A transformer transforms

a) Voltage

b) Power

c) Frequency

d) Current

e) Both A & D

13 / 30

Category: Power Plant

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

a) Methane

b) Ethane

c) Black Liquor

d) Phosphorus

14 / 30

Category: Basic Electrical Engineering

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

a) Cosine

b) Sec

c) Cosec

d) Tan

15 / 30

Category: Basic Electrical Engineering

15) 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

16 / 30

Category: Power Plant

16) 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

17 / 30

Category: Power Transmission and Distributions

17) 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)]

18 / 30

Category: Power System Analysis

18) Power in AC circuit is found by

a) VI sin (phi)

b) VI tan (phi)

c) VI cos (phi)

d) VI

19 / 30

Category: Electrical Machines

19) 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

20 / 30

Category: Probability

20) 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

21 / 30

Category: Basic Electrical Engineering

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

a) Addition

b) Subtraction

c) Multiplication

d) Division

22 / 30

Category: Power System Analysis

22) 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

23 / 30

Category: Power System Analysis

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

a) Trans Conductance

b) Maximum Resistance

c) Trans Resistance

d) Limiting Resistance

24 / 30

Category: Electroncis

24) 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

We have to maintain flatness of the surface.

25 / 30

Category: Power System Analysis

25) 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

26 / 30

Category: Power Electroncis

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

a) Maximum

b) Increased

c) Decreased

d) Unaffected

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: Electrical Machines

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

a) Current

b) Voltage

c) Resistance

d) Inductance

29 / 30

Category: Network Analysis

29) Admittance is the reciprocal of

a) Capacitive reactance

b) Inductive reactance

c) Reactive power

d) Impedance

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

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The average score is 28%

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Fundamentals of Metal Machining Techniques & Machine Tools

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Fundamentals of Metal Machining Techniques & Machine Tools

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

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

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