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National Testing Service (NTS) NTDCL TEST 2018

CURRENT AFFAIRS/GK/ISLAMIAT/P.St 1)

China has built an artificial island to establish a military base in:

South China Sea

2)

Bahadur Shah Zafar was the son of:

3)

Name the highest battlefield in the world?

The Siachen Glacier

4)

The speaker of Pakistan National Assembly

Sardar Ayaz Sadiq

5)

FIFA 2018 shall be hosted by

6)

Chief minister of Khyber Pakhtunkhwa province

7)

The headquarters of Islamic Military Alliance Force (IMAF) is situated in:

8)

Who is the present Secretary General of UN?

9)

Which was the first Prophet who was taught by Allah the art of writing?

10)

The official name of Pakistan under the 1973 constitution is?

11)

Who is the defence minister of Pakistan?

Khurram Dastgir

12)

The first women martyress of Islam is?

Hazrat Samiyah

13)

In the battle of Badr, Quresh army was commanded by?

14)

Warsak dam is constructed on _____ River.

15)

Zakat is the _______ pillar of Islam?

16)

Who is current Army Chief?

17)

Present King of Kingdom of Saudi Arabia

Akbar II



Russia Pervez Khattak Riyadh (Saudi Arabia)



António Guterres

* Islamic Republic of Pakistan

Abu Jahel Kabul 3rd

*

General Javed Qamar Bajwa Salman bin Abdul Aziz



SUBJECT PORTION 18)

The electric dipole moment induced per unit volume of the dielectric is called

Polarization of dielectric

19)

The negative maximum of a cosine waveform occurs at

20)

For best current amplification in BJT, we mostly use

21)

If potential of point A & B is Va and Vb then to find Vab, we take _____ as a reference

22)

The form factor of a 220V, 50Hz A.C. waveform

23)

Stepper motor is a/an ____ motor which divides full rotation into large number of steps.

24)

An n-type material is formed by doping pure silicon with

25)

The main criterion for selection of size of the power distribution using a radial distribution system is:

26)

Self- induction of solenoid is

27)

Transmission lines mostly use high voltage _____ alternating current

Ref 

180° Common collector configuration Node A 1.11 DC Motor

Pentavalent impurity Voltage drop

Directly proportional to its area of cross section Three phase



28)

In a DC generator brushes on the commutator are shifted from geometrical neutral positions to

Avoid sparking

29)

The _____ field lasts only as long as the current is flowing through the wire

Electric

30)

The TRIAC is a ________ device with control terminal

31)

If all conductive objects are bonded to the same earth grounding system, the risk of electric shock is

32)

In open loop control system, input is ______ output.

33)

If A matrix is a square matrix with 3x3 order having det(A) = 21. What will be the det(2A) whereas ‘det’ is determinant

168

34)

Error in computer program is called

Bug

35)

A system is _____ if the natural response neither decays nor grows, but remains constant or oscillates.

36)

The partial derivatives “fxy” and “fyx” are called:

37)

Green function method is a useful technique for solving

38)

The sum of all potential differences in complete loop through the circuit should

39)

Unguided propagation involves

40)

Preferring a ______ consists of using ohms law to take an existing voltage source in series with a resistance and replace it with a current source in parallel with the same resistance.

41)

Dynamic resistance of the diode

42)

Usually high tension cables can be used for electric power transmission but voltage must not exceed

43)

Which of the following sources has highest power generation capacity?

44) 45)

46)

Bi-directional Minimized Independent of

Marginally Stable Mixed partial

Partial differential equations Equal to zero Free space propagation Source transformation

Changes as a function of applied voltage 11KV Nuclear

For the same peak value of the voltage, which waveform will have least Triangular wave Rms value Conservation of transmitted power & Single sideband techniques are mostly employed in bandwidth The line integral of the electric field around a closed loop is equal to the Faraday’s law of negative of the rate of change of magnetic flux through area enclosed by induction the loop is called:

47)

Conductors have an excess of

48)

Which of the following is NOT a purpose of Disturbance Monitoring Equipment?

Incorrect protective setting

49)

Which one of the following is not a basic category of measurement?

Validity

50)

DC generators have _____ on rotating shafts that convert AC into DC.

Commutators

51) 52)

Free electrons

There are two types of overload protection instantaneous over current and  ______. A use of functions is that they can be used to _____ and to make programs more understandable and easier to maintain.

Time Over Current

Decrease code duplication

53)

In submarine power system, power is transmitted through ____ cables.

High voltage direct current

54)

Fourier series are infinite series of elementary trigonometric functions i.e. sine and

55)

The process of conversion of AC into DC is called

Cosine Rectification

* 

56) 57)

The principle of ____ can be used to analyze fault in power system/network SCR (Silicon Controlled Rectifier) goes into saturation, when gate-cathode  junction

Superposition

Forward biased

58)

Drop out to cutoff ratio for most relays is of the order of

0.6 to 1.0

59)

A copper oxide _______ allows current to flow through meter in only one direction is

Rectifier

60)

Main purpose of modulation process is to

61)

Which line is obtained by method of least square?

62)

A transformer transforms

63)

Conjunction X^Y behaves on digits 0 and 1 exactly as _____ does for ordinary algebra.

64)

Power in an AC circuit is found by:

65)

 _______ are used to sense the fault and initiate a trip.

66)

Modulation index in amplitude modulation:

67) 68)

Reduce the mutual interference Best fit line Voltage & Current Multiplication P = VI Cos θ Protective relays

Is measure of amplitude variation surrounding an unmodulated carrier The large impedance loading of a long transmission line can be increased Inductance in series without adversely affecting its stability by connecting a lumped: with the line B There are _____ types of dependent sources depending on the controlling Four variables and output of the source.

69)

Discrete device field effect transistor are classified on the basis of

70)

If the current and voltage are out of phase by 90°, the power is

Zero

71)

At very sunny places this source of energy can be found

Solar

72)

As compared to oscillators, inverter provides:

73)

A _______ can be used to make automated potentiometer in comparison measurements

74)

Natural Uranium contains ________ U-235.

75)

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

76)

The ______ time signal is described for all values of time.

77)

Depletion region of diode contains:

78)

Which of the following conditions relates line resistance ‘R’ and line reactance ‘X’ f or maximum steady state power transmission on a transmission a line?

79)

In a power supply, a shorted input capacitor is likely to result in:

80)

Admittance is the reciprocal of:

81) 82) 83) 84)

Control gate construction

Low frequency output Digital to analog converter 0.7% Increased Continuous No mobile charge carriers

The waves which do not need a material medium for their propagation are called  ______ is a byproduct of paper industry which is used by many industries as a primary source of electricity. Which of the following ideas means deciding of run-time what strategy to summon? In superposition theorem, independent current sources are replaced by

X= √3R

No Voltage Output Impedance Electromagnetic waves Black Liquor Dynamic Binding Open Circuit

*

85)

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

86)

Which wave has the highest value of form factor?

87)

The analog to digital converter provides ______ of input signal

88)

89)

Will not build up

Half wave rectified sine wave Quantization

The form factor in reference to alternating current waveform represents the ratio of: A semiconductor device is connected in a series circuit with battery and resistance. If the polarity of battery is reversed, the current drops to almost zero. The device may be:

90)

What is the probability of number ‘2’ whe n a dice is thrown?

91)

For which purpose bundled conductors are employed to a power system?

92)

Radio frequency chokes are air-cored to:

The RMS value to the average value A p-n junction 1/6 Increases the short circuit current

Keep inductance reactance low

Fundamental property used in single node pair circuit analysis is that  ______ across all elements is same.  _______ is small voltage (less than 10 V) that can be measured between two possible constant points. The average fossil fuel plant converts about ______ % of energy going into power going out

Stray Voltage

96)

Land-fill gas is actually _____ used in thermal power plants.

Methane gas

97)

Power factor of magnetizing component of a transformer is

Zero

98)

The pole shoes of DC machines are fastened to the pole core

Counter sunk screws

93) 94) 95)

99)

100)

Which of the following are considered as the disadvantage(s) of Gauss Seidel method over Newton’s method in load flow programs? The quantity ‘Rm’ which relates dependent voltage to the controlling current is called:

Credits:

Members (TEST PREPARATION GROUP)

Voltage

33 & 40

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