List of practice Questions

Given below are two statements:
Statement I: Self-Bias and collector-to-Base circuits are examples of feedback amplifier which increase drastically the gain of the signal.
Statement II: Quite often, both bias compensation and stabilization techniques are used to provide maximum bias and thermal stabilization
In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement I: Sustainability in any process is to maintain the process indefinitely
Statement II: For sustainable development environment damage rate should be greater than environment recovery rate
In the light of the above statements, choose the correct answer from the options Given below:
Identify the location of fault in the power system shown in the figure below. A sustained 3-Φ fault occurred. (The voltage and current phasors, after the natural transients have died down are also shown.)
Identify the location of fault in the power system
If V1=Sin (2x103t) sinusoidal signal is applied at the input of an op-amp differentiator circuit then the output voltage is given as:- (Given R=1.5 kΩ and C=0.1 µF).
In a three phase voltage source inverter operating in square wave mode, the output line voltage is free from
In the following figure find the number of triangles and squares?
find the number of triangles and squares
Match List-I and List-II
LIST I
1-\(\varnothing\) rectifier topology feeding resistive load		LIST II 
Output Voltage
A.Controlled half waveI.\(\frac{2V peak}{\pi} cos\ a\)
B.Semi-controlledII.\(\frac{V peak}{\pi}\)
C.Controlled full waveIII.\(\frac{V peak}{\pi} (1+cos\ a)\)
D.Uncontrolled-half waveIV.\(\frac{V peak}{2\pi}(1+ cos\ a)\)

Choose the correct answer from the options given below:
Match List-I and List-II
LIST I
(Nature of Response)		LIST II 
(Condition for Response)
A.Steady-state responseI.Sum of steady-state and transient
response
B.Transient responseII.Response of a system for impulse input
C.Total responseIII.Part of response which approaches zero
as \(t\rightarrow \infin\)
D.Impulse responseIV.Part of response which does not approach
zero as \(t\rightarrow \infin\)

Choose the correct answer from the options given below:
Match List-I and List-II
LIST I
SCR Rating		LIST II
Protective element
A.di/dt limitI.Snubber
B.dv/dt limitII.Heat Sink
C.i2t limitIII.Series Reactor
D.Junction Temperature LimitIV.Fuse

Choose the correct answer from the options given below:
Match List-I and List-II
LIST I (Type of motors)LIST II(Application)
A.Stepper motorI.Refrigerator compressor
B.Universal motorII.Computer printer
C.Shaded pole motorIII.Sewing machine
D.Capacitor and capacitor run Inductor motorIV.Photo coping machine

Choose the correct answer from the options given below:
Match List-I and List-II
LIST I
(Type of Oscillators)		LIST II 
(Frequency Range)
A.Audio Frequency(AF) oscillatorsI.20KHZ-30MHZ
B.Radio Frequency(RF) oscillatorsII.1.5MHZ-30MHZ
C.Video Frequency(VF) oscillatorsIII.20HZ-20KHZ
D.High Frequency(HF) oscillatorsIV.dc-5MHZ

Choose the correct answer from the options given below:
Skewing is used in Induction motor in order to reduce the torque due to:
The average value of the half-wave rectifier is given as:
The correct statements are:
A. Energy payback time (EPBT) should be less than life of PV System
B. Life cycle conversion efficiency (LCCE) should be less than one
C. Energy production factor (CEPF) on life time basis should be more than one
D. Carbon emission is more if electrical power is generated by PV in comparision to the electrical power generated by conventional power plant
Choose the correct answer from the options given below:
The currect sequence of countries in increasing order of their per capita emissions of carbon dioxide at present:
The eigenvectors of the matrix are:
\(A=\left(\begin{matrix} i & 1 \\   2 & -i  \end{matrix}\right)\)
The first two rows in the Routh table for characteristics equation of a certain closed loop control system are given as:-
S31(2K+3)
S2K4

The range of K for which the system is stable is-
The Ghawar oilfield discovered in 1948 is located in:
The Primary detector type transducers employed for displacement measurement are:
A. Thermistor
B. Diaphragm
C. Thermocouple
D. Pivot Torque
E. Capacitive displacement transducer
Choose the correct answer from the options given below:
The relationship among the emitter capacitance (Ce), the diffusion capacitance (CDe) and the transition capacitance (CTe) cs given by:
Consider the correct statements:
A. Both voltage source inverter and current source inverter require feed back diode.
B. Only current source inverter require feedback.
C. GTO can not be used in a current source inverter.
D. Only voltage source inverter requires feedback diode.
Choose the correct answer from the options given below:
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: For measuring the value of unknown capacitance one of the method used is the De Sauty's Bridge which is based on comparing the two capacitances
Reason R: De-Sauty's Bridge cannot be used for measuring the value of unknown capacitance if both the capacitors are not free from dielectric loss
In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement I: If Matrices A is orthogonal then Determinant of A is ± 1 i.e |A| = ± 1
Statement II: If Matrices A has Determinant of A is ±1 i.e |A| = ± 1, then matrice A is orthogonal
In the light of the above statements, choose the correct answer from the options Given below:
Given below are two statements:
Statement I: In 120° conduction mode voltage source inverter, phase voltage waveforms are quasisquare in nature
Statement II: In 180° conduction mode voltage source inverter, phase voltage wave forms are eight step in nature
In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement I: The net present value (NPV) of the investment is the sum of the present value of the benefits and cost of the investment.
Statement II: Net present value (NPV) can never be negative.
In the light of the above statements, choose the correct answer from the options Given below: