Classify wiring. State the type of wiring installation used for following applications with justification: (i) Hospital (ii) Spinning mill (iii) Milk Dairy (iv) Hotel.
State significance of earthing. Draw and explain pipe earthing. State the values of earth resistances for: (i) Substation (ii) Residential wiring (iii) H.T. Line (iv) L.T. Line.
Give one application each of the following transducer: (i) LVDT (ii) RVDT (iii) Capacitive (iv) Piezoelectric.
Name any two applications of following gases. (i) Nitrogen (ii) Hydrogen (iii) Sf6 (iv) Air. Answer : Here are two applications for each of the gases: 1. **Nitrogen (N₂)**: - **Inert atmosphere for chemical reactions**: Nitrogen is used to provide an inert atmosphere for ... used in various industrial applications, including in pneumatic tools, air brakes in vehicles, and air compressors....
Describe the following assembler directives with one example of each: (i) ORG (ii) DB (iii) EQU (iv) END (v) CODE (vi) DATA.
Define the following terms with respect to protective relays: i) Relay time ii) Reset current iii) Plug setting multiplier iv) Time setting multiplier.
State the use of following: (i) Screw driver (ii) Nose pliers (iii) Wire gauge (iv) Test lamp.
State functions of the following parts of d.c motor: (i) Pole shoe (ii) Commutator (iii) Brushes (iv) Yoke.
State two applications of: (i) PVC paper (ii) Porcelain with type of class based on withstand temperature is insulating material.
Related to ultrasonic flow meter: (i) Give any two types of it (ii) Write any two specifications (iii) Write two advantages over Rotameter.
Explain with justification two uses of each of two following as an electrical conductor: (i) Brass (ii) Silver.
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.
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. Answer : Here are the insulating materials typically used for each of the given applications: 1. **Insulation between heating element and base plate of electric iron**: ** ... on their insulating properties, heat resistance, dielectric strength, and ability to withstand environmental conditions....
Name the material used and the sensitivity of the following thermocouple type: (i) J (ii) K (iii) R (iv) S. Answer : Here are the materials used and the sensitivity of the given thermocouple types: 1. **Type J**: - **Materials Used**: Iron (Fe) for the positive leg and Constantan (Copper-Nickel alloy ... with Type K covering a wide range and Types R and S being more suitable for high-temperature applications....
Describe the function of the following pins of 8051: (i) PSEN (ii) RESET (iii) ALE (iv) EA.
Draw symbol of following: i) Earth Switch ii) Lightning arrester iii) Circuit breaker v) Isolator
Define the following terms: (i) Average demand (ii) Load factor (iii) Plant capacity factor (iv) Plant use factor Answer : Here are the definitions of the terms: 1. **Average Demand**: It refers to the average amount of electricity or power consumed over a specific period, usually measured in ... ] These terms are important to evaluate the efficiency and performance of power plants and electrical systems....
Define the following terms. (i) Precision (ii) Drift (iii) Resolution (iv) Back lash
Define the following terms related to logic families: (i) Noise Margin (ii) FAN-OUT (iii) Propagation delay (iv) Power dissipation. Answer : Here are the definitions of the terms related to logic families: ### (i) **Noise Margin** Noise margin is the measure of how much noise a logic gate or circuit can tolerate ... concepts are critical for understanding how logic circuits perform and how to optimize them for different applications....
Define the following terms related to circuit breaker: i) Breaking Capacity ii) Making Capacity iii) Short time rating iv) Normal current rating.
Define the following terms related to CB: i) Rated normal current ii) Rated breaking current iii) Short time rating iv) Symmetrical breaking current.
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.
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.
Give one application of (i) Mineral oil (ii) Varnish (iii) Synthetic oil (iv) Vegetable oil.
Compare copper and aluminium on the basis of: (i) Tensile strength (ii) Conductivity (iii) Specific gravity (iv) Application. Answer : Here's a simple comparison between copper and aluminum based on the four properties you mentioned: ### 1. **Tensile Strength:** - **Copper:** Copper has a higher tensile ... and mechanical applications, while aluminum is preferred where weight, cost, and corrosion resistance are more important....
Compare orifice plate with Venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss.
Compare simple KitKat fuse with MCB for i) Reliability ii) Braking capacity iii) Cost iv) Applications.
State Magneto-striction. Draw Hysteresis loop for: (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood.
Draw the following and write one application of each: (i) Well type manometer (ii) Bellows.
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.
Describe how the following measurements can be made with the use of CRO: (i) Voltage measurement (ii) Time period measurement
State the meaning of the following: (i) Sensitivity (ii) Deflecting torque
State the function of following parts in Induction motor: (i) Stator (ii) Sliprings
State the function of following parts in Induction motor. (i) Stator (ii) Sliprings
State suitable single phase motor for following applications: (i) Table fan (ii) Mixers and Grinders Answer : For the given applications, here are the suitable single-phase motors: 1. **Table Fan**: **Suitable Motor**: **Shaded Pole Motor** - **Reason**: Shaded pole motors are ... running at high speeds, which is ideal for the heavy load and high-speed operation required in mixers and grinders....
State any two applications of (i) Ferromagnetic (ii) Paramagnetic material.
How does increase in temperature affect the resistance of (i) conductors and (ii) insulators ?
A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.
The power input to a 500V 50Hz 6Pole 3 phase induction motor running at 975 rpm is 40 kW. The stator losses are 1kW and friction and windage losses are 2kW. Calculate: (i) Slip (ii) Rotor copper loss (iii) Shaft power (iv) Efficiency
What are the different types of electrical insulators and their applications in various environments? Answer : Electrical insulators are materials that prevent the flow of electric current and protect electrical systems by providing a barrier between conductive elements. They are essential in ... polymer insulators are favored for their lightweight properties and resistance to environmental degradation....
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.
Explain the function of: (i) DB (ii) Socket (iii) Cable (iv) Switch.
Draw and explain the use of: (i) Combination plier (ii) Tester (iii) Wire Striper (iv) Hammer. Answer : Here's an explanation and description of the use of each tool: ### (i) **Combination Pliers** - **Image Description:** Combination pliers are typically a tool with a pair of jaws that can ... electrical devices or panel boxes. Let me know if you'd like a visual representation of these tools!...
Compare RTD and thermistor on the basis of: (i) temperature coefficient (ii) linearity (iii) temperature range (iv) cost.
Write one example of each type: (i) Active transducer (ii) Primary transducer (iii) Electrical transducer (iv) Digital transducer.
Define the terms: (i) Load factor (ii) Diversity factor (iii) Demand factor (iv) Plant capacity factor.
Define the following ratings of a motor: (i) Horsepower rating (ii) Short-time rating
Explain the concept of the following terms: (i) Connected load (ii) Maximum demand Answer : Sure! Here's a simple explanation of both terms: ### 1. **Connected Load:** - **Definition:** The *connected load* refers to the total electrical power (in kilowatts, kW or kilovolt- ... appliances run simultaneously at full capacity. Let me know if you'd like to dive deeper into these!...
Explain the use of the following components in electrical wiring system and give specification of each: (i) MCB (ii) ELCB.
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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