Download AppGovt. JobsFree G.K. & Current AffairsScholarshipBlog
Free PracticeContact
📚 Exam by Category
▾
Objective Questions

Latest APEPDCL AEE Exam Question (Objective Questions), MCQ in English

Subjects : Electrical, General intelligence & Reasoning, General Awareness, English Language & Comprehension, Quantitative Aptitude, Computer Knowledge

Question Bank APEPDCL Assistant Executive Engineer (Electrical) Exam - English
Back to Exam

Electrical

Question 1Single Answer
When a very small amount of higher conducting metal is added to a conductor, its conductivity will 
  1. A
    increase
  2. B
     decrease
  3. C
    remain the same 
  4. D
    increase or decrease depending on the impurity
Question 2Single Answer
An electrically balanced atom has 30 protons in its nucleus and 2 electrons in its outermost shell. The materials made of such atom is
  1. A
    a conductor
  2. B
    an insulator
  3. C
    a semiconductor 
  4. D
    a superconductor
Question 3Single Answer
A semiconductor differs from a conductor in that it has
  1. A
    Only one path for the free electrons in the valence band
  2. B
    Only one path for holes in the conduction band
  3. C
    Two paths followed by free electrons and holes, one an ordinary path in the conduction band and the other one an extraordinary path in the valence band, respectively 
  4. D
    Two paths followed by free electrons and holes, one an extraordinary path in the conduction band and the other one an ordinary path in valence band, respectively 
Question 4Single Answer
Which of the following circuits is used for converting a sine wave into a square wave?
  1. A
    Monostablemultivibrator
  2. B
    Bistablemultivibrator
  3. C
    Schmitt trigger circuit 
  4. D
    Darlington complementary pair
Question 5Single Answer
If a square matrix of order 100 has exactly 15 distinct eigenvalues, then the degree of the minimum polynomial is 
  1. A
    At least 15 
  2. B
    At most 15 
  3. C
    Always 15 
  4. D
    Exactly 100
Question 6Single Answer
For high speed reading and storing of information in a computer, the core shall be of 
  1. A
    Ferrite 
  2. B
    Piezoelectric 
  3. C
    Pyroelectric 
  4. D
    Ferromagnetic above 768°C
Question 7Single Answer
Assuming both the voltage sources are in phase, the value of R for which maximum power is transferred from circuit A to circuit B is
  1. A
    0.8 Ω
  2. B
    1.4 Ω
  3. C
    2 Ω
  4. D
    2.8 Ω
Question 8Single Answer
For the intrinsic gallium-arsenide, the conductivity at room temperature 25°C is 10-6 (ohm-m)-1, the electron and hole nobilities are 0.85 m2/V-s and 0.04 m2/V-s respectively. What is the intrinsic carrier concentration at the room temperature?
  1. A
    7.0 × 1012 m-3
  2. B
    7.0 × 10-12 m-3
  3. C
    7.0 × 10-12 m3
  4. D
    7.0 × 1012 m3
Question 9Single Answer
The resistivity of intrinsic germanium at 30°C is 0.46 –m. What is the intrinsic carrier density at 30°C if the electron mobility is 0.38 m2/V-s and the hole mobility is 0.18 m2/V-s?
  1. A
    9.2 × 105/m3
  2. B
    2.77 × 103/m3
  3. C
    2.43 × 1019/m3
  4. D
    8.9 × 1012/m3
Question 10Single Answer
Heat conduction in a semiconductor takes place
  1. A
    By the mobility of the carriers
  2. B
    Due to energy gap between conduction band and valency band
  3. C
    By the holes and thermal vibrations of atoms
  4. D
    By the electrons and thermal vibrations of atoms
Question 11Single Answer
Resistance switching is normally resorted in case of
  1. A
    Air blast CB
  2. B
    Bulk oil CB
  3. C
    Minimum oil CB
  4. D
    All types of CB
Question 12Single Answer
By transmitting power at high voltage
  1. A
    it will give poor voltage regulation
  2. B
    it will give better voltage regulation
  3. C
    it will not effect voltage regulation
  4. D
    None of these
Question 13Single Answer
Which statement about the daily load curve is valid ?
  1. A
    The area under the curve gives the average demand
  2. B
    The ratio of the area under the curves to the total area of rectangle in which it is contained gives the load factor for the day
  3. C
    The peak of the curve gives the installed capacity of the plant
  4. D
    The area of the curves divided by the number of hours gives load factor
Question 14Single Answer
High voltage Schring bridge is used to measure
  1. A
    large capacitance without additional element
  2. B
    small capacitance without additional element
  3. C
    medium value capacitance
  4. D
    None of these
Question 15Single Answer
Draw - in - system of laying underground cables has the drawback (s) of
  1. A
    higher cost
  2. B
    reduced current carrying capacity of the cables
  3. C
    requirements of much deeper and wider trenches
  4. D
    repairs, alterations or additions difficult
  5. E
    all of the above except
Question 16Single Answer
Surge impedance of a transmission line is
  1. A
    independent of its length
  2. B
    dependent on its length
  3. C
    independent on its temperature
  4. D
    none of the above
Question 17Single Answer
If two synchronous generators connected in parallel loose synchronism, it will lead to
  1. A
    stalling of generators
  2. B
    wild fluctuations in current
  3. C
    wild fluctuations in current and voltage
  4. D
    None of these
Question 18Single Answer
A differential relay responds to
  1. A
    algebraic difference of two or more similar electrical quantities
  2. B
    vector difference of two or more similar electrical quantities
  3. C
    algebraic difference between two currents
  4. D
    algebraic difference between two voltages
Question 19Single Answer
The conductor carries more current on the surface in comparison to its core. This phenomenon is called the
  1. A
    Skin effect
  2. B
    Corona
  3. C
    Ferranti effect
  4. D
    Lenz's effect
Question 20Single Answer
A booster is connected in
  1. A
    series with the feeder
  2. B
    parallel with the feeder
  3. C
    both (a) and (b) are correct
  4. D
    none of these
Question 21Single Answer
Fuses have got advantages of
  1. A
    cheapest type of protection
  2. B
    inverse time - current characteristic
  3. C
    no maintenance
  4. D
    current limiting effect under short - circuit conditions
  5. E
    all of the above
Question 22Single Answer
The power transmitted will be maximum when
  1. A
    line reactance is high
  2. B
    corona losses are minimum
  3. C
    sending end voltage is more
  4. D
    receiving end voltage is more
Question 23Single Answer
The connected load of a consumer is 2 kW and his maximum demand is 1.5 kW. The load factor of the consumer is
  1. A
    0.75
  2. B
    0.375
  3. C
    1.33
  4. D
    None of these
Question 24Single Answer
In a transformer, the exciting current will be in phase quadrature with the impressed voltage provided
  1. A
    only the leakage impedance drop is ignored
  2. B
    only the core loss is ignored
  3. C
    both the leakage impedance drop and the core loss are ignored
  4. D
    only the no - load copper loss is ignored
Question 25Single Answer
Which of the following techniques is used for the measurements of a.c. high frequency voltages ?
  1. A
    Peak voltmeter
  2. B
    Series resistance mircro - ammeter
  3. C
    Resistance potential divider
  4. D
    All of these
Question 26Single Answer
Use of additional shunt capacitor can be made for increasing the capability of line as it
  1. A
    reduces surge impedance Z0
  2. B
    increases phase shift β
  3. C
    increase in α
  4. D
    all of the above
Question 27Single Answer
The sag of a transmission line is least affected owing to
  1. A
    weight of the conductor
  2. B
    current through the conductor
  3. C
    atmospheric temperature
  4. D
    ice deposited on the conductor
Question 28Single Answer
In case of Impulse Thermal break down of solid insulating materials, the critical electric field is proportional to
  1. A
    critical absolute temperature
  2. B
    square of critical absolute temperature
  3. C
    square of T0
  4. D
    none of these
Question 29Single Answer
The insulation of the modern EHV lines is designed based on
  1. A
    corona
  2. B
    switching voltages
  3. C
    lightning voltage
  4. D
    all of these
Question 30Single Answer
For constant voltage transmission, the voltage drop along the line is maintained constant by installing
  1. A
    capacitors
  2. B
    inductors
  3. C
    resistors
  4. D
    synchronous phase modifiers at the receiving end
Question 31Single Answer
AC network analyser is employed for solving the problems of
  1. A
    load flow
  2. B
    load flow and stability
  3. C
    load flow and short - circuit
  4. D
    load flow, stability and short - circuit
Question 32Single Answer
The change in excitation in an alternator connected to an infinite line provides a corresponding change in
  1. A
    terminal voltage
  2. B
    speed of rotor
  3. C
    power generated
  4. D
    power factor
Question 33Single Answer
Different types of insulators used for transmission lines are
  1. A
    pin type only
  2. B
    suspension type only
  3. C
    strain type only
  4. D
    pin type, suspension type and shackle type
Question 34Single Answer
The conductor connecting consumer's terminals to the distributor is called the
  1. A
    feeder
  2. B
    distributor
  3. C
    service main
  4. D
    none of the above
Question 35Single Answer
Which of the following method or techniques can be used for the measurement of high d.c. voltages ?
  1. A
    Generating voltmeter
  2. B
    Electrostatic voltmeter
  3. C
    Peak voltmeter
  4. D
    Half effect generators
Question 36Single Answer
The ripple voltage in dc output is small if
  1. A
    frequency of supply voltage is small
  2. B
    the filtering capacitor is small
  3. C
    load current is small
  4. D
    none of these
Question 37Single Answer
The voltage measurements using uniform spark gap are
  1. A
    affected by dust particles
  2. B
    affected by polarity of supply
  3. C
    affected by temperature
  4. D
    none of these
Question 38Single Answer
Neutral earthing is provided for
  1. A
    the safety of personnel from electric shock
  2. B
    the safety of equipment and personnel against lightning and voltage surges
  3. C
    reducing the voltage stress on lines and equipment with respect to earth under various operating and fault conditions
  4. D
    controlling the earth fault currents for protective relaying
  5. E
    both (c) and (d)
Question 39Single Answer
The function of Lightning arrester is
  1. A
    to limiting the short - circuit fault current
  2. B
    to provide path to high voltage surge to earth
  3. C
    to reduce arcing
  4. D
    none of these
Question 40Single Answer
In which of the following cases are delay fuses used ?
  1. A
    For the protection of light circuits
  2. B
    For the protection of power out - let circuits
  3. C
    For the protection of fluorescent lamps
  4. D
    For the protection of motors
Question 41Single Answer
In order to improve the voltage profile of the line, compensation is resorted by providing
  1. A
    capacitors at the receiving end
  2. B
    reactors at the receiving end
  3. C
    resistors at the receiving end
  4. D
    none of these
Question 42Single Answer
Skin effect in conductor is proportional to
  1. A
    (diameter of conductor) 1/2
  2. B
    diameter of conductor
  3. C
    (diameter of conductor)2
  4. D
    (diameter of conductor)4
Question 43Single Answer
The function of steel wire in an ACSR conductor is to
  1. A
    compensate for skin effect
  2. B
    take care of surges
  3. C
    provide additional mechanical strength
  4. D
    reduce inductance
Question 44Single Answer
A fault is more severe from the view point of RRRV if it is a
  1. A
    Short length fault
  2. B
    Medium length line fault
  3. C
    Long length line fault
  4. D
    None of these
Question 45Single Answer
Protective resistance to be connected between the sphere gap and the test equipment is required while measuring
  1. A
    power frequency and higher frequency a.c. voltage
  2. B
    power frequency and impulse voltage
  3. C
    all kinds of voltages
  4. D
    none of these
Question 46Single Answer
Series capacitor is used in a transmission line to
  1. A
    compensate the voltage drop
  2. B
    reduce line loss
  3. C
    limit short circuit current
  4. D
    improve load power factor
Question 47Single Answer
The passive element that is used as interconnecting element for the stable operation of interconnected system is
  1. A
    reactor
  2. B
    resistor
  3. C
    capacitor
  4. D
    resistor and capacitor
Question 48Single Answer
Corona loss in a transmission line is dependent on
  1. A
    diameter of the conductor
  2. B
    material of the conductor
  3. C
    height of the conductor
  4. D
    none of these
Question 49Single Answer
In a minimum oil circuit breaker the oil is used
  1. A
    to act as circuit breaking medium only
  2. B
    for circuit breaking and providing insulation
  3. C
    for providing insulation only
  4. D
    for none of the above purposes
Question 50Single Answer
Skin effect is
  1. A
    proportional to frequency
  2. B
    proportional to square of frequency
  3. C
    inversely proportional to frequency
  4. D
    independent of frequency
Important Questions Package

APEPDCL AEE Exam Online Question Bank Package

Buy APEPDCL AEE Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in APEPDCL AEE question bank 2026 in Online, PDF & Print study material.

+ Free Monthly Current Affairs, GK & more PDF Download
Sr.Package NameAmount
1.APEPDCL Assistant Executive Engineer (Electrical) Exam - English
Description : 1000 Question with Answer.
₹101 [₹500]
2.APEPDCL Assistant Executive Engineer (Electrical) Exam - English
Description : 2000 Question with Answer.
₹151 [₹500]
3.APEPDCL Assistant Executive Engineer (Electrical) Exam - English
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151 [₹450]
4.APEPDCL Assistant Executive Engineer (Electrical) Exam Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390 [₹600]
Back to Exam
Question for APEPDCL Assistant Executive Engineer (Electrical) 2026 - Quiz / Questions / MCQ - Toppersexam