pspcl previous year paper



Free mock test of PSPCL previous year exam questions asked in dec-2020. This is set 2 of Dec 2020 exam.

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PSPCL-JE Exam paper Dec-2020 Set-2

Previous year PSPCL-JE Exam paper Dec-2020 Set -2. This set contains 66 question.

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1 / 66

Voltage regulation due to the Ferranti effect may be:

2 / 66

Which test is used in determining the magnetizing impedance of a transformer?

3 / 66

Which of the following is a client-server protocol for transmitting files between computers on the Internet over TCP/IP connections?

4 / 66

Which of the following logic gates can be used to implement the functionality of any logic gate?

5 / 66

3 phase synchronous motor needs:

6 / 66

A 10 kVA 500/100 V transformer has the resistance referred to primary is 0.3 0. The equivalent resistance of transformer referred to secondary is:

7 / 66

Which of the following statements related to ‘C’ language is/are FALSE?

(i) Both ‘int’ and ‘unsigned int’ variables can store exactly the same range of values.

(ii) A variable in ‘C’ language cannot be declared as ‘long double’

8 / 66

An ideal voltage source has source resistance.

9 / 66

Buccholz relay is essential for protection against transformer’s

10 / 66

The CRT display is made up of small picture elements called pixels. The ______  the pixels, the ______the image clarity or resolution of the display.

11 / 66

1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be

12 / 66

An energy meter is:

13 / 66

The net electromotive force around a closed circuit loop is equal to the sum of potential drops around the loop. This law is called as:

14 / 66

Merz price protection scheme is the one from:

15 / 66

It is advisable to start a DC series motor with some load to:

16 / 66

A 3 phase induction motor runs at almost 1000 rpm at no load and 950 rpm at full load when supplied with power from a 50 Hz 3 phase line. The frequency of rotor voltage is:

17 / 66

Which of the following property of an algorithm states that the algorithm must terminate after a certain number of steps?

18 / 66

The deflecting torque in analog measurement device is:

19 / 66

In earthing, salt, charcoal etc. are mixed with soil to:

20 / 66

For the same voltage drop, increasing the voltage of a distributor n-times:

21 / 66

Which of the following is a valid identifier name as per the naming rules of the ‘C’ language?

22 / 66

Which of the following editions of the Windows 7 operating system does NOT have the Aero Glass graphical user interface?

23 / 66

Shunt reactors are needed:

24 / 66

A magnetizing force of 800 AT/m will produce a flux density of

25 / 66

One kilowatt-hour of electrical energy is the same as

26 / 66

The following difficulty of radial system can be overcome by ring system.

27 / 66

Trash rack, forebay, surge tank, spill way are the terms involved with:

28 / 66

Which of the following type of DC generator is most suitable as booster?

29 / 66

A megger is an instrument that gives the reading in:

30 / 66

Which of the following CPU registers contains the address of the next instruction to be fetched from the main memory when the previous instruction has been successfully completed?

31 / 66

In IP Class-C addresses, the three higher order bits of the first octet are set to:

32 / 66

A moving coil gives the full scale deflection with 15 mA and has a resistance of 5 0. The value of the resistance in parallel to enable the instrument to read up to 1 A.

33 / 66

The D-type flip-flop is a modified SR flip-flop with the addition of an inverter. What does the letter ‘D’ mean?

34 / 66

A Mho relay is a:

35 / 66

Which of the following high-level languages supports the concepts of class and objects?

36 / 66

The cross-sectional area of conductor for house wiring is usually expressed as:

37 / 66

If the current through a coil having an inductance of 0.5 H is reduced from 5 A to 2 A in 0.05 s, calculate the mean value of the EMF induced in the coil.

38 / 66

A 1 H pure inductor carrying a current of 3 A will store

39 / 66

How many different symbols (digits/characters) are used in a base-N number system?

40 / 66

The efficiency of transformer is maximum when

41 / 66

In electrical wiring, the fuse should be placed:

42 / 66

In an R-L-C series circuit, at resonance frequency, the voltage across the resistance is:

43 / 66

Two resistors of 40 0 and 40 0 are series-connected. A wire of negligible resistance is connected in shunt across the combination. The effective resistance will be:

44 / 66

A galvanometer with a full-scale current of 10 mA has a resistance of 1000 Si. The multiplying power (the ratio of measured current to galvanometer current) of a 100 fl shunt with this galvanometer is:

45 / 66

Which connect the consumer’s terminals to the distribution

46 / 66

A resistance, an inductance and a capacitance are connected in series. The values of R, XL and XC are 20 Ii, 301-land 10 0 respectively. The net reactance of the circuit is:

47 / 66

In which of the following looping constructs of the ‘C’ language, the body of the loop is executed at least once

48 / 66

The ratio of the sum of the individual maximum demands to the maximum demand of the whole system under consideration is called as:

49 / 66

An over-excited synchronous motor at no load acts as:

50 / 66

If the flux of a dc motor approached zero

51 / 66

Who among the following was the founder of “World Wide Web”?

52 / 66

Which of the following is a combinational logic circuit designed to switch one of several input lines to a single common output line?

53 / 66

Which of the following logic gates provides output as 1 when both inputs are different?

54 / 66

p (rho) is called as the:

55 / 66

The economizer of steam turbine system is located in the:

56 / 66

The three resistances of 3 0 each are connected in delta. Their value in each branch of the equivalent star connection will be

57 / 66

The damping torque in a moving coil instrument is caused by:

58 / 66

In a capacitor start motor if Cl is the capacitance required for best starting torque and C2 is the capacitance required for best running characteristic then:

59 / 66

In a power transformer, copper losses occur in:

60 / 66

The function of steel wire in ACSR conductor is to:

61 / 66

The direction of rotation of a DC motor can be determined by:

62 / 66

A group of related web pages form a:

63 / 66

The generation of hydroelectric power does not depend on

64 / 66

The AC armature winding of an alternator operates at winding voltage.

65 / 66

If a memory has 10 address lines and the size of each addressable location (block) is 4 bytes, then what is the maximum storage capacity of the memory?

66 / 66

A generation station has average demand and maximum demand of 48000 kW and 96000 kW respectively. If the plant capacity factor is 0.48, the installed capacity will be

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The average score is 78%


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