Electrical Engineering Test 1
Total Questions: 100
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A ) Welding
B ) Countersunk screws ✅
C ) Steel clumps
D ) Soldering
A ) More memory requirement and less accuracy
B ) Less interactions but more memory
C ) More iteration ✅
D ) More accuracy and more memory
A ) Appearance of the transmission line
B ) Decrease system stability
C ) Mechanical stability of line
D ) Increase the short circuit current ✅
A ) Ethane
B ) Methane ✅
C ) Black liquor
D ) Nitrogen
A ) Inductance
B ) Resistance
C ) Current
D ) Voltage ✅
A ) Keep frequency low
B ) Keep frequency high
C ) Keep inductive reactance low ✅
D ) Keep inductive reactance high
A ) Increase the short circuit current ✅
B ) Decrease system stability
C ) Mechanical stability of line
D ) Appearance of the transmission line
A ) 50
B ) 33
C ) 33-40 ✅
D ) 25
A ) may burn out if loaded to its name plate rating
B ) output voltage will exceed its name plate rating
C ) will not build up ✅
D ) power output may exceed its name plate rating
A ) N-type semiconductor
B ) P-type semiconductor
C ) An intrinsic semiconductor
D ) P-N junction ✅
A ) 1/5
B ) 2/3
C ) 1/6 ✅
D ) 1/4
A ) No voltage output ✅
B ) Low voltage output
C ) Reduced voltage output
D ) Excessive hum
A ) Capacitive reactance
B ) Impedance ✅
C ) Reactive power
D ) Inductive reactance
A ) Wood waste
B ) Black Liquor ✅
C ) Sludge waste
D ) Landfill gas
A ) Dynamic loading
B ) Dynamic blinding ✅
C ) Dynamic hiding
D ) Dynamic typing
A ) Decreased
B ) Maximum
C ) Unaffected
D ) Increased ✅
A ) Discrete
B ) Continuous ✅
C ) Random
D ) Digital
A ) X=R
B ) R= sqrt (3) X
C ) X= sqrt (3) R ✅
D ) X=R / sqrt (2)
A ) One
B ) Two
C ) Three
D ) Four ✅
A ) Resistive state
B ) Conducting state
C ) Voltaic state
D ) Control gate construction ✅
A ) Jet fuel
B ) Geothermal
C ) Solar ✅
D ) Jet fuel & Solar
A ) Increase signal to noise ratio
B ) Time shift in frequency ✅
C ) Reduce the mutual interference
D ) Add extra noise to the signal
A ) Second degree equation line
B ) Straight line
C ) Best fit line ✅
D ) Polynomial equation line
A ) Voltage
B ) Current
C ) Power
D ) Voltage & Current ✅
A ) Division
B ) Addition
C ) Subtraction
D ) Multiplication ✅
A ) VI sinα
B ) VI tanα
C ) VI cosα ✅
D ) VI
A ) Is defined as the measure or extent of amplitude variation about an un-modulated carrier. ✅
B ) Does not impact power
C ) Is independent of integral multiple of amplitude
D ) Is steady state
A ) Sec
B ) Cosec
C ) Tan
D ) Cosine ✅
A ) Forward biased ✅
B ) Reverse biased
C ) In steady state
D ) Polarized
A ) 0.2 to 0.3
B ) 0.3 to 0.4
C ) 0.4 to 0.6
D ) 0.6 to 1.0 ✅
A ) Diac
B ) Transistor
C ) Rectifier ✅
D ) Voltmeter
A ) Diodes
B ) Commutator ✅
C ) Compressor
D ) Rotor
A ) Variable over current
B ) Time over current ✅
C ) Constant over current
D ) Delay feedback current
A ) Conservation of transmitted power
B ) Improving the performance of frequency modulation
C ) Conservation of transmitted power and bandwidth ✅
D ) Conservation of transmitted bandwidth
A ) Sine wave
B ) Square wave
C ) Triangular wave ✅
D ) Full wave rectified sine wave
A ) Oil
B ) Biogas
C ) Nuclear ✅
D ) Natural Gas
A ) 11 kV ✅
B ) 22 kV
C ) 32 kV
D ) 110 kV
A ) Ampere's law
B ) Faraday's law of induction ✅
C ) Gauss' law of magnetism
D ) Maxwell’s equation
A ) Dependent partial
B ) Independent partial
C ) Mixed partial ✅
D ) Universal partial
A ) Ordinary differential equation
B ) Partial differential equation ✅
C ) 1st order ODEs
D ) 2nd order ODEs
A ) Equal to zero ✅
B ) Equal to individual voltages
C ) Equal to Individual currents
D ) Equal to individual resistances
A ) Propagation through computer LANs
B ) Propagation through coaxial cable
C ) Propagation through optical fiber
D ) Free space propagation ✅
A ) Voltage transformation
B ) Current transformation
C ) Source transformation ✅
D ) Resistance transformation
A ) Remains constant with time
B ) Cannot be calculated for a diode
C ) Doesn't depend on voltage and current
D ) Changes as a function of applied voltage ✅
A ) Uni-directional
B ) Bi-directional ✅
C ) Tri-directional
D ) Two terminals
A ) Maximized
B ) Minimized ✅
C ) Zero
D ) Neglected
A ) Dependent of
B ) Independent of ✅
C ) Equal to
D ) Exponent of
A ) 168 ✅
B ) 42
C ) 21
D ) 126
A ) Virus
B ) Crash
C ) Bug ✅
D ) Warm
A ) Asymptomatically stable
B ) Marginally stable ✅
C ) Fully stable
D ) Absolute stable
A ) Trivalent Impurity
B ) Tetravalent impurity
C ) Pentavalent impurity ✅
D ) Divalent impurity
A ) Voltage drops ✅
B ) Corona loss
C ) Capital cost
D ) Temperature rise
A ) Directly proportional to the current flowing through the coil.
B ) Inversely proportional to its area of cross-section
C ) Directly proportional to its length
D ) Directly proportional to its area of cross-section ✅
A ) Single phase
B ) Two phases
C ) Three phases ✅
D ) Neutral Phase
A ) Obtain highest generator voltage
B ) Avoid sparking ✅
C ) Obtain highest generator efficiency
D ) Produce spark
A ) Dipole density
B ) Polarization of dielectric ✅
C ) Electric displacement vector
D ) Polarization density
A ) 0°
B ) 270°
C ) 180° ✅
D ) 90°
A ) Common base configuration
B ) Common emitter configuration
C ) Common collector configuration ✅
D ) common base and common emitter configuration
A ) Node A ✅
B ) Node B
C ) Origin point
D ) Node A and Node B
A ) Direct current ✅
B ) Alternating current
C ) Powerless
D ) Small
A ) LOA
B ) Nop ✅
C ) MAR
D ) Op Code
A ) Impedance relay
B ) Electromagnetic attraction type
C ) Thermal relay ✅
D ) Buchholz's relay
A ) MHO Relay
B ) Merz Price Relay
C ) Buchholz's relay ✅
D ) None
A ) Above 220 kV
B ) Above 11 kV
C ) Below 660V ✅
D ) Below 115 kV
A ) Zero ✅
B ) Infinity
C ) High
D ) Low
A ) Low resistance ✅
B ) High sensitivity
C ) Effective damping
D ) Large scale
A ) Circular and anticlockwise
B ) Circular and clockwise
C ) Radially Inward ✅
D ) Radially outward
A ) Discrete
B ) Discrete in time
C ) Discrete in amplitude
D ) Discrete in amplitude and time ✅
A ) Accuracy ✅
B ) Precision
C ) Resolution
D ) Correction
A ) Schott key diode
B ) Tunnel diode ✅
C ) Hot carrier diode
D ) Laser diode
A ) Petrol engine
B ) Gas engine
C ) Diesel engine
D ) Hydro turbine ✅
A ) Induction type
B ) Hot wire type ✅
C ) Moving coil type
D ) Moving iron type
A ) Skin effect ✅
B ) Faraday effect
C ) EM concentration effect
D ) Ohm’s effect
A ) Ionization in vapor or gas ✅
B ) Heating effect
C ) Magnetic effect
D ) Carbon electrodes
A ) Light emitting
B ) Avalanche
C ) Zener
D ) Varactor ✅
A ) Damping torque
B ) Controlling torque ✅
C ) Deflecting torque
D ) Controlling & Deflecting torque
A ) Current sensitivity increases
B ) Current sensitivity decreases ✅
C ) Damping increases
D ) Controlling torque decreases
A ) Air blast circuit breaker ✅
B ) Vacuum filled
C ) Oil filled
D ) SF6
A ) 2
B ) 4
C ) 8 ✅
D ) 10
A ) Origin ✅
B ) Z = i
C ) Poles
D ) zeros
A ) 1.4 ✅
B ) 1.0
C ) 0.707
D ) 0.5
A ) Bilateral device
B ) Linear device
C ) Nonlinear device
D ) Passive device
A ) Nickel cadmium battery
B ) Lead acid battery ✅
C ) Dry cell battery
D ) None
A ) Call activation
B ) Call termination
C ) Shifting call from one cell to another ✅
D ) Call activation & Call termination
A ) linearly polarized
B ) Elliptically polarized
C ) Circularly polarized
D ) Hyperbolically polarized /Parallel polarized ✅
A ) AC current
B ) DC current ✅
C ) Stray current
D ) Eddy current
A ) Before pinch off ✅
B ) At pinch off
C ) At Q point
D ) After pinch off
A ) Resistor
B ) Diode
C ) Capacitor
D ) Inductor
A ) Silver
B ) Tungsten ✅
C ) Gold
D ) Copper
A ) Armature currents are DC only
B ) Armature currents are AC only
C ) Partly AC & partly DC ✅
D ) Extra high voltage
A ) Night Bulb
B ) Neon Bulb
C ) GLS Bulb
D ) Torch lamp ✅
A ) Moving iron attraction type
B ) Moving coil permanent magnet type
C ) Hot wire type
D ) Induction type ✅
A ) Pressure ✅
B ) Hydraulic
C ) Fluid
D ) Dynamic
A ) Extra high voltage ✅
B ) Ultra-high voltage
C ) High voltage
D ) Low voltage
A ) Sub transmission voltage ✅
B ) Distribution voltage
C ) Generation voltage
D ) Mix voltage
A ) Class A ✅
B ) Class B
C ) Class AB
D ) Class C
A ) 2 terminal unidirectional switch
B ) 2 terminal bidirectional switch ✅
C ) 3 terminal bidirectional switch
D ) 4 terminal multi-directional switch
A ) Gain
B ) Q factor ✅
C ) Reactive power
D ) Real power
A ) 5% ✅
B ) 10%
C ) 15%
D ) 20%
A ) 110kv ✅
B ) 140kv
C ) 130kv
D ) 150kv