# Telecom Customer Churn Prediction in Apache Spark (ML)

Learn Apache Spark machine learning by creating a Telecom customer churn prediction project using Databricks Notebook

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

0%
2

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: Basic Electrical Engineering

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

2 / 30

Category: Power Transmission and Distributions

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

3 / 30

Category: Basic Electrical Engineering

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

4 / 30

Category: Power System Analysis

4) Power in AC circuit is found by

5 / 30

Category: Power Plant

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

6 / 30

Category: Electrical Machines

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

7 / 30

Category: Basic Electrical Engineering

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

8 / 30

Category: Power Plant

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

9 / 30

Category: Electroncis

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

10 / 30

Category: Power Plant

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

11 / 30

Category: Network Analysis

11) Admittance is the reciprocal of

We have to maintain flatness of the surface.

12 / 30

Category: Power System Analysis

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

13 / 30

Category: Power Electroncis

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

14 / 30

Category: Power System Analysis

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

15 / 30

Category: Basic Electrical Engineering

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

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: Basic Electrical Engineering

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

18 / 30

Category: Electrical Machines

18) Radio frequency chokes are air cored to

19 / 30

Category: Power System Analysis

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

20 / 30

Category: Electroncis

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

21 / 30

Category: Power Plant

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

22 / 30

Category: Probability

22) What is the probability of a number “2” when a dice is thrown?

23 / 30

Category: Singal and Systems

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

24 / 30

Category: Singal and Systems

24) Main purpose of modulation process is to

25 / 30

Category: Electroncis

25) 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

26 / 30

Category: Power Transmission and Distributions

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

27 / 30

Category: Electrical Machines

27) A transformer transforms

We have to maintain flatness of the surface.

28 / 30

Category: DC Machines

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

29 / 30

Category: Telecommunications

29) Modulation index in amplitude modulation

30 / 30

Category: Power Transmission and Distributions

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