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MPPGCL JE Electrical Mock Test - 1 - Electrical Engineering (EE) MCQ


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30 Questions MCQ Test - MPPGCL JE Electrical Mock Test - 1

MPPGCL JE Electrical Mock Test - 1 for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The MPPGCL JE Electrical Mock Test - 1 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The MPPGCL JE Electrical Mock Test - 1 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for MPPGCL JE Electrical Mock Test - 1 below.
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MPPGCL JE Electrical Mock Test - 1 - Question 1

Which party has ruled Zimbabwe since its independence and who is its ruler?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 1

The Zimbabwe African National Union-Patriotic Front has been the ruling party in Zimbabwe since independence in 1980. The party was led for many years under Robert Mugabe, first as Prime Minister with the Zimbabwe African National Union and then as President from 1987 after the merger with the Zimbabwe African People's Union and retaining the name ZANU–PF, until 2017 when he was removed as leader.

MPPGCL JE Electrical Mock Test - 1 - Question 2

Aruna is the ancient name of which river?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 2

The correct answer is Markanda.

Key Points

  • Aruna is the ancient name of Markanda river.
    • The Markanda river flows in Sirmaur district, Ambala district, and Markanda town in Kurukshetra district.
    • The river flows through Haryana and Himachal Pradesh.
    • The Markanda river originates from the Shivalik hills.
    • The total length of the river is 120 km out of which 90 km is in Haryana.
    • A barrage at Jalbehra in Kurukshetra district has been built on the river.
    • The Begna river is the main tributary of the Markanda river.

Important Points

  • The Sahibi River originates in Jaipur Distt. of Rajasthan and it passes through Alwar Distt. 
    • It drains into the Yamuna at Delhi, where its channelled course is also called the Najafgarh drain, which also serves as Najafgarh drain bird sanctuary.
  • The Ghaggar River rises in Shivalik hills in the Solan district of Himachal Pradesh.
    • It enters Haryana from the Panchkula district.
    • And at the end, the river leaves Sirsa District of Haryana State and reaches Sri Ganga Nagar district, Rajasthan.
    • Kaushalya river is a left bank tributary of Ghaggar River.
  • Yamuna River is the largest tributary of the Ganga River.
    • It originates from Yamunotri Glacier.
    • It meets the Ganges at the Sangam (where Kumbh Mela is held) in Prayagraj, Uttar Pradesh after flowing through Uttarakhand, Himachal Pradesh, Haryana and Delhi.
    • Length: 1376 km
    • Important Dam: Lakhwar-Vyasi Dam (Uttarakhand), Tajewala Barrage Dam (Haryana) etc.
    • Important Tributaries: Chambal, Sindh, Betwa and Ken.
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MPPGCL JE Electrical Mock Test - 1 - Question 3

The numbers 11284 and 7655, when divided by a certain number of three digits, leave the same remainder. Find that number of three digits. 

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 3

MPPGCL JE Electrical Mock Test - 1 - Question 4

Directions to Solve

Each of the following questions has a group. Find out which one of the given alternatives will be another member of the group or of that class.

Question -

Tamilian, Gujarati, Punjabi

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 4

All these words represent the inhabitants of India.

MPPGCL JE Electrical Mock Test - 1 - Question 5

Direction: If a Paper (Transparent Sheet) is folded in a manner and a design or pattern is drawn. When unfolded this paper appears as given below in the answer figure. Choose the correct answer figure given below.

A square sheet of paper has been folded and punched as shown below. How will it appear when opened?
Question Figure

Answer figure

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 5

MPPGCL JE Electrical Mock Test - 1 - Question 6

Choose the alternative which is an odd word/number/letter pair out of the given alternatives.

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 6


Hence, "Printer" is the correct answer.

Important PointsInput Device: A piece of equipment/hardware that helps us enter data into a computer is called an input device. For example keyboard, mouse, etc. 

1. Keyboard:

  • A simple device comprising keys and each key denotes either an alphabet, number, or number commands which can be given to a computer for various actions to be performed
  • It has a modified version of typewriter keys
  • The keyboard is an essential input device and computers and laptops both use keyboards to give commands to the computer

2. Joy Stick:

  • It is a device that comprises a stick that is attached at an angle to the base so that it can be moved and controlled
  • Mostly used to control the movement in video games
  • Apart from a computer system, a joystick is also used in the cockpit of an aeroplane, wheelchairs, cranes, trucks, etc. to operate them well

3. Scanner:

  • This device can scan images or text and convert it into a digital signal
  • When we place any piece of a document on a scanner, it converts it into a digital signal and displays it on the computer screen

Output Device: A piece of equipment/hardware that gives out the result of the entered input, once it is processed (i.e. converts data from machine language to a human-understandable language), is called an output device. For example printers, monitors, etc. 

Printer:

  • A device that makes a copy of the pictorial or textual content, usually over a paper is called a printer
  • For example, an author types the entire book on his/her computer and later gets a printout of it, which is in the form of paper and is later published
  • Multiple types of printers are also available in the market, which can serve different purposes
MPPGCL JE Electrical Mock Test - 1 - Question 7

A man is 50 years old. His brother is 7 years older than him and his sister is 12 years younger than his brother. When his sister was 15 years old, then the men’s age was : 

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 7

MPPGCL JE Electrical Mock Test - 1 - Question 8

Directions to Solve

In each of the following questions find out the alternative which will replace the question mark.

Question -

123 : 132 :: 235 : ?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 8

As, 123 → 132

As, 235 → 253

The middle digit of first term becomes power to the next term.

MPPGCL JE Electrical Mock Test - 1 - Question 9

0.002 x 0.5 = ?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 9

⇒ (2/1000) × (5/10)

⇒ (10/10000)

⇒ (1/1000) = 0.001

∴ 0.002 x 0.5 = 0.001

MPPGCL JE Electrical Mock Test - 1 - Question 10

What happens to the reverse saturation current of a diode when the temperature increases?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 10

Reverse saturation current (IS) of diode increases with increase in the temperature, the rise is 7%/ºC for both germanium and silicon and approximately doubles for every 10ºC rise in temperature. Thus if we kept the voltage constant, as we increase temperature the current increases.

MPPGCL JE Electrical Mock Test - 1 - Question 11

Two electric bulbs have tungsten filament of the same thickness. If one of them gives 60 W and the other gives 100 W, then-

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 11

For more watt bulb, less resistance will be there so, the length of that bulb will be lower.

MPPGCL JE Electrical Mock Test - 1 - Question 12

Determine the magnetic susceptibility of a magnetic material, if the magnetic field intensity, H = 840 A/m, and the magnetic flux density, B = 63.3 mT.

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 12

The magnetic flux density, B is related to the magnetic flux intensity, H as,
B=μ∘H+M
where πμ=4π×10-7H/m is the permeability in free space, and M=Xm H is the magnetization of the material, and Xm is the magnetic susceptibility.
Hence,

MPPGCL JE Electrical Mock Test - 1 - Question 13

The formula for Surge impedance for loss less line when r=0 and g=0 is

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 13

The surge impedance for a lossless line is when r=o and g=0 is

MPPGCL JE Electrical Mock Test - 1 - Question 14

The full load slip of a 4-pole, 50Hz, 3-phase induction motor rotating at 1410 r.p.m is __________.

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 14

MPPGCL JE Electrical Mock Test - 1 - Question 15

A tank circuit consists of

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 15

Tank circuit consist of a pure inductor and pure Capacitor connected in parallel.

MPPGCL JE Electrical Mock Test - 1 - Question 16

If the P.F of load decreases, the line losses-

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 16
Taking that the pf of the load is improved ( say from 0.7 lag to 0.85 lag) for the same real power P, then the magnitude of the line current will decrease, decreasing the line losses. So transmission efficiency will improve.
MPPGCL JE Electrical Mock Test - 1 - Question 17

Which of the following relation is correct for the ratio of the full-load torque to the maximum torque is:

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 17
The correct relation for the ratio of the full-load torque to the maximum torque is given as

Hence, the correct option is (B)

MPPGCL JE Electrical Mock Test - 1 - Question 18

In figure

100 watts = lamp A

50 watts = lamp B

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 18
That lamp will glow brighter whose resistance will be greater.

For 100 watts bulb, R= 200×200/100 = 400 ohms

For 50 watts bulb, R= 200×200/50 = 800 ohms

So 50 watts bulbs will glow brighter.

Hence, the correct option is (B)

MPPGCL JE Electrical Mock Test - 1 - Question 19

A coil with a certain number of turns has a specified time constant. If the number of turns is doubled, its time constant would

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 19

MPPGCL JE Electrical Mock Test - 1 - Question 20

In interconnected grid system, more efficient plants are used as

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 20

A base load station supplies almost a constant load throughout the day i.e. for 24 hours. Therefore, more efficient plants are used as base load stations.

MPPGCL JE Electrical Mock Test - 1 - Question 21

What will the maximum power (in W) transferred from the source to the load of the circuit given below?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 21



MPPGCL JE Electrical Mock Test - 1 - Question 22

A capacitor is charged by a battery. When the capacitor is having air core, the charge on the plates is 70 μC When the same capacitor has mica core of dielectric 7, the charge on the plates is

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 22

MPPGCL JE Electrical Mock Test - 1 - Question 23

Which basic law should be followed to analyse a circuit?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 23
Kirchhoff's laws, namely Kirchhoff's Current Law and Kirchhoff's Voltage Law, are the basic laws that should be followed to analyse a circuit.

Hence, the correct option is (D).

MPPGCL JE Electrical Mock Test - 1 - Question 24

What is the device used to measure power known as?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 24
Wattmeter is the device for measuring the electric power or the supply rate of electrical energy in watts of any given circuit.

Hence, the correct option is (A).

MPPGCL JE Electrical Mock Test - 1 - Question 25

If a 110 V, 50 Hz is applied across a PMMC voltmeter of full-scale range 0-220 V and internal resistance of 10k Ω, reading of the voltmeter will be-

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 25
For sinusoidal voltage, PMMC reads zero.
MPPGCL JE Electrical Mock Test - 1 - Question 26

The given circuit represents a-

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 26
The given circuit represents the Schmitt trigger.
MPPGCL JE Electrical Mock Test - 1 - Question 27

The purpose of providing a choke in the tube light is-

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 27
The purpose of providing a choke in the tube light is to limit current to the appropriate factor.
MPPGCL JE Electrical Mock Test - 1 - Question 28

Silicon content in iron lamination is kept within 5% as it-

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 28
Silicon content in Iron lamination is kept within 5% as it makes the material brittle.
MPPGCL JE Electrical Mock Test - 1 - Question 29

The unit of permeability is :

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 29

Permeability,

μ0 = B/H = (ØA)/ (I / 2πr)

= (wb * m) / (At * m2)

= wb/Atm

MPPGCL JE Electrical Mock Test - 1 - Question 30

A factory takes a steady load of 200 kW at a lagging power factor of 0.8. The tariff is Rs. 100 per kVA of maximum demand per annum plus 5 paise per kWh. The phase advancing plant costs Rs. 500 per kVAR and the annual interest and depreciation together amount to 10%. What is the capacity of the phase advancing plant?

Detailed Solution for MPPGCL JE Electrical Mock Test - 1 - Question 30

Capacity of phase advancing plant 
=P[tanϕ1-tanϕ2]
= 200[0.75 - 0.5774]
= 34.52 kVAR

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