Description : A second order system shows 100% overshoot in its unit step response. It can be categorized as (A) underdamped system. (B) overdamped system. (C) Critically damped system. (D) undamped system.

**Answer** : A second order system shows 100% overshoot in its unit step response. It can be categorized as undamped system.

Description : The second harmonic distortion is defined as the A) Ratio of amplitude of second harmonic component in the output to that of the fundamental frequency B) Harmonic distortion due to only second harmonic component C) Sum of distortion of first and second harmonic components in the output

**Answer** : The second harmonic distortion is defined as the Ratio of amplitude of second harmonic component in the output to that of the fundamental frequency

Description : A transfer function has a second order denominator and constant gain in the numerator

**Answer** : A transfer function has a second order denominator and constant gain in the numerator the system has two zeros at infinity

Description : Which of the following is NOT an SI unit of measure? w) watt x) newton y) joule z) erg e) second

**Answer** : ANSWER: Z -- ERG

Description : Define resistivity. State its unit.

**Answer** : Resistivity can be defined as the resistance of a conducting material per unit length with unit area of cross section. Its unit is ohm/meter

Description : What is the smallest unit of a compound with the same chemical characteristics?

**Answer** : The molecule is the smallest unit of a compound with the same chemical characteristics.

Description : Electrical quantities (symbol and basic unit)

**Answer** : Electrical quantities (symbol and basic unit)

Description : Write the purpose of coal and ash handling unit. Also write different activities that arc carried out in this unit.

**Answer** : Purpose of coal and ash handling unit :- To transport coal from coal storage to power plant. A large quantity of ash about 10 to 30 % produced in furnace, the removal of ash from boiler furnace ... disposed off. Various methods of disposal of ash: Mechanical system. Pneumatic system.

Description : Define admittance and state its unit.

**Answer** : Admittance is defined as the ability of the circuit to carry (admit) alternating current through it. OR It is the reciprocal of impedance Z. i.e Admittance Y = 1/Z. Unit: Its unit is siemen (S) or mho (Ʊ).

Description : What is the SI unit of conductivity ?

**Answer** : The SI unit of conductivity Siemens/m.

Description : Which unit holds data permanently? (A) Input unit (B) Secondary storage unit (C) Output Unit (D) Primary Memory Unit

**Answer** : Which unit holds data permanently? (A) Input unit (B) Secondary storage unit (C) Output Unit (D) Primary Memory Unit

Description : The unit heat rate characteristic of a thermal power unit shows : (A) Heat input per kWh of output versus the megawatt output of unit (B) Heat input per kW of output versus the megawatt output ... hour output of unit (D) Heat input per kW of output versus the megawatt hour output of unit

**Answer** : The unit heat rate characteristic of a thermal power unit shows : Heat input per kWh of output versus the megawatt output of unit

Description : Which of the following is the SI unit for admittance? A) Ohm B) Henry C) Farad D) Siemens

**Answer** : Which of the following is the SI unit for admittance? A) Ohm B) Henry C) Farad D) Siemens

Description : Which of the following is an example of SI derived unit? A) Capacitance (Farad) B) Time (second) C) Luminous intensity (Candela) D) All the above

**Answer** : Which of the following is an example of SI derived unit? A) Capacitance (Farad) B) Time (second) C) Luminous intensity (Candela) D) All the above

Description : Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these

**Answer** : Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these

Description : What is the SI unit for magnetic reluctance? A) Ampere B) Ampere-turns per weber C) Henry D) None of these

**Answer** : What is the SI unit for magnetic reluctance? A) Ampere B) Ampere-turns per weber C) Henry D) None of these

Description : The unit of retentivity is?

**Answer** : The unit of retentivity is weber/sq. m.

Description : The unit of magnetic flux is?

**Answer** : The unit of magnetic flux is weber.

Description : What is the unit of reactance?

**Answer** : Unit of reactance is Ohms ( Ω ) .Reactance is denoted by X .

**Answer** : Flux density is denoted by B. And it is given as B = flux/ area Where, the unit of flux is Weber and unit of area is meter square. So the unit of flux density is weber per meter square which is also called as Tesla.

**Answer** : Unit of voltage is volt denoted by capital V .

**Answer** : Unit of inductance is Henry denoted by capital H .

Description : A) Watt B) Volts C) Farad D) Ampere

**Answer** : Correct answer: D) Ampere

Description : Options: A) WATT B) AMPERE C) VOLTS D) OHM

**Answer** : Correct Answer: A) WATT

Description : Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax

**Answer** : (i) Connected load It is the sum of the power ratings (Watts or kW or MW) of all devices and machines existing (installed) in the premises of consumer. It is used to decide the ... a percentage of the total electricity bill which includes all amounts that go to the electricity supply agency.

Description : What does double integration of a unit step function lead to? A) A doublet B) A ramp C) An impulse D) A parabola

**Answer** : What does double integration of a unit step function lead to? A) A doublet B) A ramp C) An impulse D) A parabola

Description : Which of the following are components of Central Processing Unit (CPU)? (A) Arithmetic logic unit, Mouse (B) Arithmetic logic unit, Control unit (C) Arithmetic logic unit, Integrated Circuits (D) Control Unit, Monitor

**Answer** : Which of the following are components of Central Processing Unit (CPU)? (A) Arithmetic logic unit, Mouse (B) Arithmetic logic unit, Control unit (C) Arithmetic logic unit, Integrated Circuits (D) Control Unit, Monitor

Description : The unit of speed regulation of a governor is : (A) Hz (B) Hz/MW (C) Hz/MVA (D) rpm/MVAR

**Answer** : The unit of speed regulation of a governor is : Hz/MW

Description : Unit commitment is a procedure in which : (A) Scheduling of total generation is done economically (B) Optimal combination of units in a system is chosen at any given time (C) ... are selected for financial economy (D) Most efficient machines are selected for minimum reactive power loss

**Answer** : Unit commitment is a procedure in which : Optimal combination of units in a system is chosen at any given time

Description : The unit circle of the Nyquist plot transforms into unity or 0 dB line of the amplitude plot of the Bode diagram for

**Answer** : The unit circle of the Nyquist plot transforms into unity or 0 dB line of the amplitude plot of the Bode diagram for all frequencies

Description : The unit of power in S.I. units is

**Answer** : The unit of power in S.I. units is watt.

Description : What is the unit of measure for voltage?

**Answer** : Voltage measured in volts.

Description : How much is 1 unit of electricity?

**Answer** : 1 unit of electricity is equal to 1 kWh.

Description : What is the DeBroglie wavelength of a 1,200 kilogram corvette traveling at a rate of 25 meters per second? Planck's constant is equal to 6.62 x 10-34 Joule-seconds. w) 5.3 x 10-32 meters x) 5.9 x 10-34 meters y) 2.1 x 10-38 meters z) 1.6 x 10-40 meters

**Answer** : ANSWER: Y -- 2.1 x 10-38 METERS

Description : Unit of Power is_____________. A. Watt B. Joule C. Ampere D. Coulomb

**Answer** : Unit of Power is Watt.

Description : What are the SI derived units?

**Answer** : Electrical capacitance, electrical resistance, electrical inductance, force, energy, power, magnetic flux, electric charge, and electric potential difference and EMF. These are the nine SI derived units.

Description : In physics, a radian per second squared is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

**Answer** : ANSWER: Y -- ANGULAR ACCELERATION

Description : In physics, a radian per second is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

**Answer** : ANSWER: X -- ANGULAR VELOCITY

Description : A four cycle internal combustion automobile engine operates on what kind of cycle? w) Rankine x) Otto y) Brayton z) Joule

**Answer** : ANSWER: X -- OTTO

Description : Which of the following units of energy is the smallest: w) calorie x) Joule y) erg z) electron-volt

**Answer** : ANSWER: Z -- ELECTRON-VOLT

...