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MPPGCL JE Electrical Mock Test - 3 - Electrical Engineering (EE) MCQ


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30 Questions MCQ Test - MPPGCL JE Electrical Mock Test - 3

MPPGCL JE Electrical Mock Test - 3 for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The MPPGCL JE Electrical Mock Test - 3 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The MPPGCL JE Electrical Mock Test - 3 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 - 3 below.
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MPPGCL JE Electrical Mock Test - 3 - Question 1

Sunny can complete a work in 15 days. If Bobby is 60% as efficient as Sunny, in how many days can Bobby complete the work?

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

MPPGCL JE Electrical Mock Test - 3 - Question 2

Direction: Study the following information carefully and answer the given questions besides.

Eight students Kirti, Ayushi, Manu, Sona, Aarti, Bobby, Ankita and Divya are sitting around the square table. Four students sit on each side while rest on each corner. Students at the side faces away from the centre and students at the corner faces toward the centre.
Divya sits third to the left of Ayushi. Sona sits immediate left of Ankita, who sits on the side of the table. Kirti sits opposite to Manu and both faces away from the centre. Neither Kirti nor Manu are beside Ayushi. Bobby is not an immediate right of Ayushi. Bobby is not adjacent to Manu.
Q. Who sits opposite to Bobby?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 2

From the common explanation, we get Sona sits opposite Bobby.

Hence, Option E is correct.

Final Arrangement:


Common Explanation:

References:

Eight students Kirti, Ayushi, Manu, Sona, Aarti, Bobby, Ankita and Divya are sitting around the square table.

Four students sit on each side while rest on each corner.

Students at the side face away from the centre and students at the corner faces towards the centre.

Inferences:

So, we need to arrange as follows to accommodate the information as stated in the question,


References:

Divya sits third to the left of Ayushi.

Kirti sits opposite to Manu and both faces away from the centre.

Inferences:

From the above references, we get the following two different cases:

Case 1:


Case 2:


References:

Neither Kirti nor Manu are beside Ayushi.

Sona sits immediate left of Ankita, who sits on the side of the table.

Bobby is not an immediate right of Ayushi.

Bobby is not adjacent to Manu.

Inferences:

So, from this case 2 will be eliminated as neither Kirti nor Manu are beside Ayushi.

Now, from case 1 we get the following final arrangements:

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MPPGCL JE Electrical Mock Test - 3 - Question 3

Into how many constituencies is the country divided for Lok Sabha elections?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 3
Answer:
Constituencies for Lok Sabha elections:
- The country is divided into constituencies for Lok Sabha elections.
- A constituency is a specific geographic area that elects a representative to the Lok Sabha, the lower house of the Parliament of India.
Number of constituencies:
- The country is divided into a total of 543 constituencies for Lok Sabha elections.
Explanation:
- The total number of constituencies in India for Lok Sabha elections is fixed at 543.
- Each constituency represents a specific area within the country, and the voters of that constituency elect one Member of Parliament (MP) to represent them in the Lok Sabha.
- The number of constituencies is determined based on various factors, including the population size and demographics of each region.
- The delimitation commission is responsible for the division of constituencies and redrawing boundaries after every census to ensure fair representation and equal distribution of seats.
Therefore, the correct answer is B: 543 constituencies.
MPPGCL JE Electrical Mock Test - 3 - Question 4
Haryana became the 17th state of India in 1966 on the recommendation of which of the following committee?
Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 4

The correct answer is the Sardar Hukum Singh committee.

  • Haryana became the 17th state of India in 1966 on the recommendation of the Sardar Hukum Singh committee.

Key Points

  • After the independence of India in 1947, Haryana remained part of Punjab.
  • But Hindus and Sikhs both demanded separate states.
  • This movement gained momentum after 1955 and had its full intensity in 1960.
  • Haryana was separated from Punjab in 1966 with the passage of the Punjab reorganization act and on the recommendation of the Sardar Hukum Singh parliamentary committee.
  • This committee was formed in 1965.
MPPGCL JE Electrical Mock Test - 3 - Question 5

While working with 75% of its efficiency a pipe can fill a tank in 80 minutes. In how many minutes can the pipe fill the tank while working with 100% efficiency?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 5


Hence, Option B is correct.

MPPGCL JE Electrical Mock Test - 3 - Question 6

Seven persons B, C, D, E, F, G and H are born on seven different months of a year starting from January, but not necessarily in the same order. Who was born in July?

Statement I: C was born just before D. Only two persons are born after H. Three persons are born between H and B. F was born two months after B.
Statement II: E was born in April. D was born after C. Two persons are born between E and B. B was not born in July. C was born one of the months after May.

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 6

Checking Statement I:

Using the above references, we get the following arrangement:


Clearly, D was born in July.

Hence data in statement I is sufficient to answer the question.

Checking Statement II:

Using the above references, we get the following arrangement:


Clearly, D was born in July.

Hence data in statement II is sufficient to answer the question.

Here, the data in either Statement I or II alone is sufficient to answer the question.

Hence, Option C is correct.

MPPGCL JE Electrical Mock Test - 3 - Question 7

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 piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.
Question Figure

Answer figure

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 7

MPPGCL JE Electrical Mock Test - 3 - Question 8

Directions to Solve

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

Question -

68 : 130 :: ? : 350

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 8

As, 68 = (4)3 + 4

    130 = (5)3 + 5

and 350 = (7)3 + 7

Therefore, ? = (6)3 + 6 = 222

MPPGCL JE Electrical Mock Test - 3 - Question 9

In a school having roll strength 299, the ratio of boys and girls is 8 : 5. If 25 more girls get admitted into the school, the ratio of boys and girls becomes 

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 9

MPPGCL JE Electrical Mock Test - 3 - Question 10

'Dogs' is related to 'Bark' in the same way as 'Goats' is related to:

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 10

As the cry of 'Dog' is called 'Bark' in the same way the cry of 'Goat' is called 'Bleat'.

MPPGCL JE Electrical Mock Test - 3 - Question 11

Superposition theorem states that the response in any element is the _______ of the responses that can be expected to flow if each source acts independently of other sources.

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 11

The superposition theorem for electrical circuit states that for a linear system the response (voltage or current) in any branch of a bilateral linear circuit having more than one independent source equals the algebraic sum of the responses caused by each independent source acting alone, where all the other independent sources are replaced by their internal impedances.

MPPGCL JE Electrical Mock Test - 3 - Question 12

If a diode is open in Half-Wave Rectifier, then it will show output on oscilloscope as:

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 12

In this case, the output will be zero, as open diode breaks the current path from transformer secondary winding to filter and load resistor, thereby no load current.

MPPGCL JE Electrical Mock Test - 3 - Question 13

In diode clipping circuit shown, which among the following conditions are correct?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 13

In case of diode clipping circuits, when voltage of positive half cycle reaches +4.7 V, diode D1 conducts and limits waveform at +4.7 V while diode D2 does not conduct till voltage reaches –6.7 V. So, positive voltages above +4.7 V and negative voltages below –6.7 V are clipped.

MPPGCL JE Electrical Mock Test - 3 - Question 14

Class…………………operation has no collector current when no signal is applied.

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 14

In class B operation, the transistor bias is so adjusted that zero signal collector current is zero i.e. no biasing circuit is needed at all. Obviously, in the absence of signal, no collector current will flow in class B operation.

MPPGCL JE Electrical Mock Test - 3 - Question 15

A D.C. generator has 6 pales. A brush shift of actual means a brush shift-

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 15
Rotating field machines are used for the high power generating plant in most of the world's national electricity grid systems. The field excitation power needed for these huge machines can be as much as 2.5% of the output power ( 25 KW in a 1.0 MW generator) though this reduces as the efficiency improves with size so that a 500 MW generator needs 2.5 MW (0.5%) of excitation power. If the field voltage is 1000 Volts, the required field current will be 2500 Amps. Providing such excitation through slip rings is an engineering challenge which has been overcome by generating the necessary power within the machine itself by means of a pilot, three-phase, stationary field generator on the same shaft. The AC current generated in the pilot generator windings is rectified and fed directly to the rotor windings to supply the excitation for the main machine.
MPPGCL JE Electrical Mock Test - 3 - Question 16

The maximum power in the shown load is

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 16

Then by using the following Ohm’s Law equations:

MPPGCL JE Electrical Mock Test - 3 - Question 17

Which of the following is the protective device against lightning overvoltages ?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 17
In high voltage power systems, insulation coordination studies are needed in order to minimize the probability of equipment failure due to the lightning or switching surges hazards. Proper surge arresters, as well as installation of other mitigation devices, are essential from the point of view of reliable working conditions of the transmission and distribution networks. It is difficult to measure such overvoltages due to operational, technological and economic issues. However, over the years reliable methods of computational analyses have been developed, which allow one to determine possible overvoltage waveforms for different scenario, including lightning surges or transformer switching operations.
MPPGCL JE Electrical Mock Test - 3 - Question 18

As compared to CE amplifier, the frequency response of an emitter follower is-

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 18
In electronics, a common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (BJT) amplifier topologies, typically used as the voltage amplifier.In this circuit the base terminal of the transistor serves as the input, the collector is the output, and the emitter is common to both (for example, it may be tied to ground reference or a power supply rail), hence its name. The analogous FET circuit is the common-source amplifier, and the analogous tube circuit is the common-cathode amplifier.
MPPGCL JE Electrical Mock Test - 3 - Question 19

What is the value of current I4 (in A) for the given junction?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 19
According to Kirchhoff’s Current Law: At any point in an electrical circuit, the sum of currents flowing towards that point is equal to the sum of currents flowing away from that point.

From the above Diagram

Current Flowing towards the Point: I2, I6, I4

Current Flowing Away from the Point: I1, I3, I5

So, I2 + I6 + I4 = I1 + I3+ I5

Putting the value of the current

2A + 7A + I4 = 4A + 3A + 8A

I4 = 15A − 9A = 6A

I4 = 6A

Hence, the correct option is (D).

MPPGCL JE Electrical Mock Test - 3 - Question 20

Which of the following bulbs will have the least resistance?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 20
115 V, 100 W

Hence, the correct option is (D)

MPPGCL JE Electrical Mock Test - 3 - Question 21

In a three-phase transformer, the angle between two consecutive cores is-

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 21
In a three-phase transformer, the angle between two consecutive cores is 120°.

A three-phase transformer is made of three sets of primary and secondary windings, each set wound around one leg of an iron core assembly. Essentially it looks like three single-phase transformers sharing a joined core. Those sets of primary and secondary windings are connected in either Δ or Y configurations to form a complete unit.

Hence, the correct option is (D).

MPPGCL JE Electrical Mock Test - 3 - Question 22

Which of the following is not a welding accessory-

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 22
Different welding accessories are-

1.Clamps & Jacks.

2.Earth Clamps & Cable.

3.Hazard Protection.

4.MIG Argon +5.

5.Plugs & Adaptors.

6.Welding Tables.

7.Hand screen.

8.Electrode holder

9.Gloves & Gauntlets.

10.Plugs / Sockets.

Hence, the correct option is (C)

MPPGCL JE Electrical Mock Test - 3 - Question 23

Which of the following is the protective device against lightning overvoltages ?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 23
In high voltage power systems, insulation coordination studies are needed in order to minimize the probability of equipment failure due to the lightning or switching surges hazards. Proper surge arresters, as well as installation of other mitigation devices, are essential from the point of view of reliable working conditions of the transmission and distribution networks. It is difficult to measure such overvoltages due to operational, technological and economic issues. However, over the years reliable methods of computational analyses have been developed, which allow one to determine possible overvoltage waveforms for different scenarios, including lightning surges or transformer switching operations.

Hence, the correct option is (D)

MPPGCL JE Electrical Mock Test - 3 - Question 24

A 3-phase Υ-Δ transformer has 420 and 36 turns on the primary and secondary windings respectively. The supply voltage on the primary side is 3.3kV, then what will be the phase voltage on the secondary side of transformer

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 24

Winding connection is Y/∆


In 3 transformer

But a may not be equal to N1/N2. So, don’t remember  always in 3- transformer.

MPPGCL JE Electrical Mock Test - 3 - Question 25

A 200 W, 200 V bulb and a 100 W, 200 V bulb are connected in series and the voltage of 400 V is applied across the series connected bulbs, Under this condition

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 25

 

Hence 100W bulbs will be brighter than 2000 W bulbs.

MPPGCL JE Electrical Mock Test - 3 - Question 26

To change the direction of rotation of (3∅) Induction motor Rotor,

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 26
According to the principle of induction motor that Nikola Tesla made, If you simply swap 2 wires, the magnetic field changes the direction of rotation.

Hence, the correct option is (A)

MPPGCL JE Electrical Mock Test - 3 - Question 27

The current flowing in (20Ω) resistor is given by: i = 2 + 4 sin 314t. The current is measured by a hot wire ammeter. What is measure value?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 27


MPPGCL JE Electrical Mock Test - 3 - Question 28

For the given V-I characteristic find out the value of dynamic resistance Rac?

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 28

Since the dynamic resistance is the reciprocal of line as-

MPPGCL JE Electrical Mock Test - 3 - Question 29

What will be the multiplying power of shunt of 400 Ω which is used with 800 Ω -

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 29

We know that,

MPPGCL JE Electrical Mock Test - 3 - Question 30

The total load taken from an a.c. supply consists of
A- a heating load of 15 kW
B- a motor load of 40 kVA at p.f. 0.6 lagging
C- a load of 20 kW at p.f. 0.8 lagging
A capacitor is connected in parallel with load and p.f. raised to unity. The kVAR rating of the capacitor should be

Detailed Solution for MPPGCL JE Electrical Mock Test - 3 - Question 30

The parallel loads draw a total reactive power of 47 kVAR lagging. In order to raise the p.f. to unity, the capacitor should supply leading reactive power of 47 kVAR.

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