🔍
Define the terms related to Protective Relay: i) Selectivity ii) Sensitivity.
0 like 0 dislike

Related questions

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

Define the following terms: (i) Average demand (ii) Load factor (iii) Plant capacity factor (iv) Plant use factor

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

Define the following terms. (i) Precision (ii) Drift (iii) Resolution (iv) Back lash

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

Define the following terms: i) Luminous intensity ii) Luminous flux.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

Related to ultrasonic flow meter: (i) Give any two types of it (ii) Write any two specifications (iii) Write two advantages over Rotameter.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

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.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

What is the difference between sensitivity and selectivity in receivers?

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image
0 like 0 dislike
1 view 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image
0 like 0 dislike
0 views 0 answers
× Full Screen Image
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image
0 like 0 dislike
2 views 0 answers
× Full Screen Image

How does a digital protective relay differ from an electromechanical relay?

View solution
0 like 0 dislike
2 views 0 answers
× Full Screen Image
0 like 0 dislike
1 view 0 answers
× Full Screen Image

Compare orifice plate with Venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss.

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

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.

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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....

View solution
0 like 0 dislike
1 view 1 answer
× Full Screen Image

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

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

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.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

Define the terms incandescent and incandescent lamp.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image
0 like 0 dislike
1 view 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

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.

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

Explain with neat sketch: (i) Earth resistance measurement using earth tester (ii) High resistance measurement using megger.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

Distinguish between: (i) Absolute and secondary instruments (ii) Analog and digital instruments.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

A moving coil instrument gives full scale deflection of 24 mA. When a P.D. across if is 108 mV. Find the value of – (i) Series resistance for full scale deflection of 400 V. (ii) Find the power consumption.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

Explain the function of: (i) DB (ii) Socket (iii) Cable (iv) Switch.

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

Give one application of (i) Mineral oil (ii) Varnish (iii) Synthetic oil (iv) Vegetable oil.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

Compare copper and aluminium on the basis of: (i) Tensile strength (ii) Conductivity (iii) Specific gravity (iv) Application.

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

State any two applications of (i) Ferromagnetic (ii) Paramagnetic material.

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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

View solution
0 like 0 dislike
0 views 0 answers
× Full Screen Image

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.

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

State Magneto-striction. Draw Hysteresis loop for: (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood.

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image
Welcome to Electrical Engineering App, where you get electrical engineering materials in one place.

Subjects

29.4k questions

1.3k answers

7.4k users