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Define the following terms: i) Luminous intensity ii) Luminous flux.
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Define the following terms related to logic families: (i) Noise Margin (ii) FAN-OUT (iii) Propagation delay (iv) Power dissipation.

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Define the following terms with respect to protective relays: i) Relay time ii) Reset current iii) Plug setting multiplier iv) Time setting multiplier.

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Define the following terms related to circuit breaker: i) Breaking Capacity ii) Making Capacity iii) Short time rating iv) Normal current rating.

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Define the following terms related to CB: i) Rated normal current ii) Rated breaking current iii) Short time rating iv) Symmetrical breaking current.

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Define the following terms (i) lux and (ii) lumens.

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Explain the concept of the following terms: (i) Connected load (ii) Maximum demand

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Define the terms: (i) Load factor (ii) Diversity factor (iii) Demand factor (iv) Plant capacity factor.

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Define the terms related to Protective Relay: i) Selectivity ii) Sensitivity.

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Define the following ratings of a motor: (i) Horsepower rating (ii) Short-time rating

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Describe how the following measurements can be made with the use of CRO: (i) Voltage measurement (ii) Time period measurement

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State the meaning of the following: (i) Sensitivity (ii) Deflecting torque

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State two insulators of following types along with their areas of application: (i) Class A (ii) Class E (iii) Class H.

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Explain with justification two uses of each of two following as an electrical conductor: (i) Brass (ii) Silver.

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Explain the use of the following components in electrical wiring system and give specification of each: (i) MCB (ii) ELCB.

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Explain following wiring systems: (i) Concealed wiring (ii) Metal conduit wiring.

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State the use of following: (i) Screw driver (ii) Nose pliers (iii) Wire gauge (iv) Test lamp.

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Name any two applications of following gases. (i) Nitrogen (ii) Hydrogen (iii) Sf6 (iv) Air.

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Classify wiring. State the type of wiring installation used for following applications with justification: (i) Hospital (ii) Spinning mill (iii) Milk Dairy (iv) Hotel.

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Select insulating materials for following parts: (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

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Explain with the help of a neat diagram the following methods of speed control for a DC series motor: (i) Field diverter method. (ii) Tapped field method.

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State functions of the following parts of d.c motor: (i) Pole shoe (ii) Commutator (iii) Brushes (iv) Yoke.

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Name the material used and the sensitivity of the following thermocouple type: (i) J (ii) K (iii) R (iv) S.

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Give one application each of the following transducer: (i) LVDT (ii) RVDT (iii) Capacitive (iv) Piezoelectric.

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Explain the following troubles and related remedies in an ultrasonic flow meter: (i) Meter does not show reading (ii) Meter shows less value of flow measured (iii) Meter shows a high value of flow measured.

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Draw the following and write one application of each: (i) Well type manometer (ii) Bellows.

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Convert the following Boolean equation to standard SOP form and implement using NAND-NAND logic: (i) y = A'B'C' + ABC'D' + A'C'D' (ii) y = PQ + P'QR + PQR.

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Describe the following assembler directives with one example of each: (i) ORG (ii) DB (iii) EQU (iv) END (v) CODE (vi) DATA.

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Describe the function of the following pins of 8051: (i) PSEN (ii) RESET (iii) ALE (iv) EA.

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Explain the following energy conservation technique: i) Controlling I²R losses ii) Balancing phase current.

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Describe the following energy conservation techniques in lighting system: i) replacing lamp source ii) using light control gear.

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Explain the lighting scheme to be designed for each of the following (i) Special ward in hospitals (ii) Dentist’s Cabin.

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Select the illumination level required as per ISI for the following working planes in residential buildings (i) Kitchen sink (ii) Staircase (iii) Dining room (iv) Study room.

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Explain lighting scheme to be designed for each of the following (i) operation theatre in hospital (ii) general ward in hospitals.
Answer : Designing lighting schemes for different areas of a hospital requires considering the specific needs and functions of each space. Here's how lighting can be designed for an **operation theatre** ... factors, the lighting in both spaces will help ensure both functionality and patient well-being....

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Select illumination level required as per ISI for the following working planes in residential building (i) kitchen (ii) living room (iii) dining room (iv) study room.

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State suitable single phase motor for following applications: (i) Table fan (ii) Mixers and Grinders
Answer : For the applications you mentioned, suitable single-phase motors would be: 1. **Table Fan:** - **Type of Motor:** Capacitor-Start Induction Motor (CSIM) or Permanent Split Capacitor (PSC) ... PSC or CSIM motor. - **Mixers and grinders:** Universal motor or Capacitor-Start Capacitor-Run motor....

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State the function of following parts in Induction motor: (i) Stator (ii) Sliprings

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State the function of following parts in Induction motor. (i) Stator (ii) Sliprings

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Draw symbol of following: i) Earth Switch ii) Lightning arrester iii) Circuit breaker v) Isolator

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Define i) making capacity ii) short time rating of circuit breaker.

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What is the significance of a LED's luminous intensity?

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Solve the following using Taylor’s Series Method (up to 3 terms): \[ \frac{dy}{dx} = x^2 + y, \quad y(0) = 1 \] Find \( y(0.2) \).
Answer : #### **Solution:** 1. **Taylor Series Expansion:** The Taylor series expansion of \( y(x) \) around \( x = 0 \) is: \[ y(x) = y(0) + x \frac{dy}{dx} \bigg|_{x=0} + \frac{x^2}{2!} \frac{d^2y}{dx^2} \ ... + 0.004 \] \[ = 1.224 \] **Final Answer: \( y(0.2) \approx 1.224 \)**. ---...

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Define the terms incandescent and incandescent lamp.

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What is intensity in terms of electric field modern physics?

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Draw symbols and V-I characteristics of the following devices: LASCR DIAC PUT SCS.

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How does increase in temperature affect the resistance of (i) conductors and (ii) insulators ?

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Compare Horizontal axis and vertical axis wind machines on the basis of: (i) Power captured for the same tower height. (ii) Noise problem. (iii) Complexity of design and yaw mechanism (iv) Effect of fatigue arising from numerous resonances in structure.

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