19 views
in Switchgear And Protection by

1 Answer

0 votes
by

A fuse is connected in series with circuit.

Related questions

1 answer 35 views

A fuse wire should have :  (A) Low specific resistance and high melting point (B) Low specific resistance and low melting point (C) High specific resistance and high melting point (D) High specific resistance and low melting point

asked May 8, 2018 in Switchgear And Protection by Shimroz123
1 answer 28 views

ln HRC fuse the time between cut-off and final current zero is called

asked Apr 26, 2018 in Switchgear And Protection by Shimroz123
1 answer 19 views
1 answer 41 views

what is HRC fuse?

asked Aug 8, 2017 in Electrical Engineering by Zeeshan
0 answers 38 views

A balanced Delta connected load supplied with 440 V 50 Hz three phase AC supply has R=10 Ohm and L=0.6 mH in is each arm. Calculate line and phase current, active power.

asked Aug 12, 2018 in Basic electrical and electronics engineering by Quiz
1 answer 47 views

 A connected graph has ‘5’ number of branches and ‘4’ number of nodes. It's rank is A) 1 B) 2 C) 3 D) 4 

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
1 answer 80 views

Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch currents I1 : I2 : I3 if the branch resistances are in the ratio of 2 : 3 : 4 respectively? A) 2 : 3 : 4 B) 6 : 4 : 3 C) 4 : 3 : 2 D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 48 views

Two 100W, 200V lamps are connected in series across a 200V supply. The total power consumed by each lamp will be in Watts

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 39 views

A four -quadrant operation requires two full converters connected in  (1) Series (3) Back to back (2) Parallel (4) Series Cascade

asked Apr 30, 2018 in Power Electronics by Shimroz123
1 answer 283 views

The sequence components of current of a single-phase load connected to a 3-phase system are (A) equal positive and negative sequence components (B) equal positive, negative and zero sequence components (C) vector sum of sequence currents is zero (D) algebraic sum of sequence currents is zero

asked Apr 28, 2018 in Power system by Shimroz123
1 answer 22 views

What is the total resistance if 5 resistors of 20 Ω each are connected in series? A) 100 Ω B) 4 Ω C) 20 Ω D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 41 views

Define the terms: i) Tariff ii) Fuel surcharge iii) Electricity Duty iv) Connected load

asked Sep 29, 2018 in Energy Conservation And Audit by Shimroz123
1 answer 135 views

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

asked Sep 22, 2018 in Energy Conservation And Audit by Shimroz123
1 answer 4 views

Define each of following terms: i) Connected load ii) Spinning reserve. 

asked Sep 7, 2018 by Shimroz123
0 answers 15 views
0 answers 28 views

Draw the Delta connected three phase system showing all the voltages and currents. Write the power equation.

asked Aug 11, 2018 in Basic electrical and electronics engineering by Quiz
1 answer 14 views

In an R-C phase shift oscillator, the minimum no. of R-C networks to be connected in cascade will be -

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

Three identical resistors connected in star consume 5000 W. If the resistors are connected in delta across the same supply, the power consumed will be

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 18 views

When three resistors with unequal values are connected in parallel, _______ A) The current across the resistors is the same  B) The voltage drop across the resistors is the same C) The voltage drops across the resistors is proportional to the resistance of each resistor D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

If non-linear loads are connected to the power system, then (A) displacement power factor is same as the total power factor (B) displacement power factor is not equal to the total power factor (C) displacement power factor is due to harmonic currents (D) total power factor is due to fundamental component of current

asked Apr 28, 2018 in Power system by Shimroz123
2 answers 76 views

 With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals?

asked Mar 25, 2018 in Basic concepts by Shimroz123
1 answer 34 views

Cells are connected in series in order to?

asked Mar 16, 2018 in Electrical Engineering by Quiz
1 answer 86 views

Explain Three Phase Bidirectional Delta Connected Controller.

asked Mar 7, 2018 in Unit 6 by Quiz
0 answers 50 views

What is line voltage and phase voltage? Draw balanced three phase star connected system. Show all the voltages and currents.

asked Aug 11, 2018 in Basic electrical and electronics engineering by Quiz
1 answer 20 views

A fuse should be connected in

asked May 14, 2018 in Basic concepts by Shimroz123
0 answers 22 views

An IDMT relay of rating 5A, 2.2s and having a relay setting of 125% is connected to a supply circuit through a CT having a ratio of 400/5. The plug setting multiplier of IDMT relay in the event of fault current of 4000 A will be a. 5 b. 8 c. 10 d. 125

asked May 24, 2018 in Switchgear And Protection by Shimroz123
1 answer 31 views

A relay has a rating of 5 A, 2.2 sec IDMT and a relay setting of 125% TMS = 0.6. It is connected to a supply circuit through a C.T. 400/5 ratio. The fault current is 4000 A. The operating current of the relay is

asked May 3, 2018 in Switchgear And Protection by Shimroz123
1 answer 19 views

A lightening arrester connected between the line and earth in a power system  (1) protects the terminal equipment against travelling surges (2) protects the transmission line against direct lightening strokes (3) suppresses high frequency oscillations in the line (4) reflects back the travelling wave approaching it

asked Apr 29, 2018 in Switchgear And Protection by Shimroz123
1 answer 40 views

To prevent mal-operation of differentially connected relay while energizing a transformer, the relay restraining coil is based with  (1) second harmonic current  (2) third harmonic current  (3) fifth harmonic current  (4) seventh harmonic current

asked Apr 29, 2018 in Switchgear And Protection by Shimroz123
1 answer 8 views

Fuse wire protection system is usually not used beyond: a. 10A b. 25A c. 50A d. 100A  

asked Sep 1, 2018 by Shimroz123
0 answers 11 views

Semiconductor devices are protected by a fuse and the material used is (A) silver (B) gold (C) copper (D) tin 

asked Jun 4, 2018 in Semiconductor by Shimroz123
0 answers 210 views

For a fuse wire of diameter ‘d’, fusing current is proportional to   (a) √d (b) d1.2 (c) d1.5 (d) None of these 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 20 views

What is the purpose of providing a fuse in an electric circuit?  (A) To safe guard the installation against heavy current (B) To reduce the current flowing in the circuit (C) To reduce the power consumption (D) To improve power factor

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 26 views

The rating of fuse wire is always expressed in   (a) volts (b) amperes (c) ampere-volt (d) ampere-hours 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 9 views

 An H.R.C. fuse is?

asked Mar 28, 2018 in Electrical engineering materials by Shimroz123
1 answer 50 views

Explain the meaning of following terms: i) MCB ii) Socket outlet iii) Neutral iv) Fuse-link

asked Sep 20, 2018 in Industry Electrical Systems-I by Shimroz123
0 answers 13 views

The material used for fuse wire should be of   (a) low resistivity and high melting point (b) high resistivity and high melting point (c) high resistivity and low melting point (d) low resistivity and low melting point 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 165 views

Which type of protection is provided on a generator to protect against stator insulation failure? A) Differential protection B) Overcurrent relay C) Thermocouple actuated alarm D) Reverse power relay

asked Jun 4, 2018 in Switchgear And Protection by Shimroz123
1 answer 66 views

In a biased differential relay, the bias is defined as the ratio of  A) Number of turns of restraining coil and operating coil B) Operating coil current and restraining coil current C) Faulteurrent and operating coil current D) Fault current and restraining coil current

asked May 20, 2018 in Switchgear And Protection by Shimroz123
1 answer 11 views

If a relay fails to operate for a fault within its reach, it is said to

asked May 12, 2018 in Switchgear And Protection by Shimroz123
1 answer 42 views

The purpose of the restraining coil in a biased differential relay is  (A) To reduce CT saturation during fault.  (B) To increase the sensitivity of the relay.  (C) To match the transformation ratio.  (D) To limit the spill current through the relay during heavy external fault.

asked May 8, 2018 in Switchgear And Protection by Shimroz123
1 answer 21 views

The operating point of a protective current transformer is near the

asked May 8, 2018 in Switchgear And Protection by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,450 questions

7,047 answers

132 comments

3,085 users

...