Please Log in or Register for more.


72 views

1 Answer

Answer :

The fuse blows off by melting.

Like 0 like

Please log in or register to answer this question.

Related Questions


ln HRC fuse the time between cut-off and final current zero is called
Last Answer : ln HRC fuse the time between cut-off and final current zero is called the arcing time

Show More

139 views 1 answer







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
Last Answer : A fuse wire should have : High specific resistance and low melting point

Show More

114 views 1 answer








Last Answer : A fuse in a motor circuit provides protection against short-circuit and overload.

Show More

157 views 1 answer








Last Answer : The fuse rating is expressed in terms of current.

Show More

151 views 1 answer








Last Answer : H.R.C. fuse, as compared to a rewirable fuse, has no ageing effect, high speed of operation, high rupturing capacity.

Show More

118 views 1 answer








Last Answer : A fuse is connected in series with circuit.

Show More

85 views 1 answer








Last Answer : The material used for fuse must have low melting point and high specific resistance.

Show More

163 views 1 answer








Last Answer : The main function of a fuse is to prevent excessive currents.

Show More

93 views 1 answer







What is fuse?
Last Answer : Ans. Fuse is used to protect an electric circuit when the rated current exceeds in the circuit the fuse wire melts and opens the circuit.

Show More

1 view 1 answer







State any two advantages of MCB over Fuse. State the standard specifications of MCB available in the market.  
Last Answer : Following advantages of MCB over Fuse: 1. No need of replacement of fuse wire. 2. Manually restore of supply is simple. 3. Fault understanding by visual inspection 4. More safe than fuse The standard specifications of ... 6A, 10A,16A,20A, 25A, 30A, 32A, 40A, 50A, 60A and 63A 6. 250V and 450 v

Show More

194 views 1 answer







State the material used for making (1) Magnetic Core (2) Fuse element  
Last Answer : The material used for making of:  (1) Magnetic Core : Iron, cobalt, Nickel, CRGO, HRGO , silicon steel  (2) Fuse Element: Tin- lead wire, Tinned copper wire 

Show More

210 views 1 answer







Write applications of each of the following:(i) Fuse (ii) MCB (iii) MCCB.
Last Answer : i) Applications of fuse:  * Used in domestic installations to provide short circuit protection.  * Used in commercial / Industrial installations to provide overload and short circuit protection.  * Used in ...  * Rectifiers panels,  * U.P.S, Electronic equipment,  * Motors,  * Furnaces

Show More

156 views 1 answer







Give the function of fuse and switch.
Last Answer : Functions of fuse:  * To break the circuit under fault condition.  * To provide overcurrent protection to the circuit.  * To provide short circuit protection to the circuit.  * To provide ...  * To make the electric circuit manually.  * To break the electric circuit manually.

Show More

121 views 1 answer







What is a fuse ?
Last Answer :  A Fuse is a protective device which prevent overloading of current in a circuit.

Show More

125 views 3 answers







what is HRC fuse?
Last Answer : HRC (High Rupturing Capacity) fuse HRC fuse is High Rupturing Capacity fuse. At the time of fault it disconnect the circuit very fast. Filling powder is silica sand. No flashover ... speed response Reliable No maintenance CheaperDisadvantages:- We have to replace it manually after each operation.

Show More

154 views 1 answer







Define pinch off voltage and drain resistance of FET.
Last Answer : 1 . Pinch-off Voltage: It is the value of the drain to source voltage VDS at which the drain current ID reaches its constant saturation value. Any further increase in VDS does not have any ... drain to source voltage to the change in drain current. It is also called AC/dynamic drain resistance.

Show More

120 views 1 answer







The SCR would be turned OFF by voltage reversal of applied anode-cathode ac supply frequency of A) 10 kHz B) 10 Hz C) 5 kHz D) 5 Hz 

Show More

187 views 0 answers







How is the GTO turned off? A) By using a commutation circuit B) By applying reverse gate pulse C) By using a latch-up circuit D) By reverse anode current pulse 
Last Answer : How is the GTO turned off? A) By using a commutation circuit B) By applying reverse gate pulse C) By using a latch-up circuit D) By reverse anode current pulse 

Show More

242 views 1 answer







What is meant by pinch off voltage in MOSFET?

Show More

102 views 0 answers








Last Answer : SCR turned off when the anode current falls below holding current.

Show More

924 views 1 answer







Explain the principle of ON-OFF control and phase control of AC voltage controller with suitable circuit and waveforms.
Last Answer : The integral cycle control (on-off control) and phase angle control are the two types of AC voltage controller. The principle of ON-OFF control: The on-off control is also called an integral cycle ... control. In phase control, the switch is on for some period of each cycle.  

Show More

3.5k views 1 answer








Last Answer : GTO can be turned on by providing positive pulse to the gate terminal and it can be turn off by providing negative pulse to gate terminal.

Show More

103 views 1 answer








Last Answer : No we cannot turn off normal thyristor using Gate.

Show More

92 views 1 answer







thyristor can be turned off by?
Last Answer : Thyristor can be turned off by making anode potential equal to cathode potential or by making anode potential less than cathode potential.

Show More

134 views 1 answer







Draw the structural diagram of GTO. Explain briefly the switching behavior of GTO with the help of appropriate voltage and current waveform.
Last Answer : Gate Turn Off Thyristor (GTO) Conventional Thyristor can be turned on with gate terminal but can not turn off from gate terminal. But in case of Gate Turn Off Thyristor (GTO), we can turn it on and off ... subdivided as storage period (Ts), fall period (Tp) and tail period (Tt).

Show More

1.7k views 1 answer







drive the expression for the  (1)current that commutates the scr, (2)the peak current, (3) conduction time?  in class B,C,D and E.

Show More

4 views 0 answers







When fuse blows?
Last Answer : When a fuse blows, you should replace the fuse and check to seewhat might have caused it to blow. It's a sign that there might besomething causing too much current to flow in the circuit.

Show More

0 views 1 answer







Why is My Kenwood double din DVD player blows the fuse when hooked to power please help?
Last Answer : Need answer

Show More

0 views 1 answer







If a fuse blows frequently, one should (a) replace it with a thin wire (b) replace it with a thick copper wire (c) replace it with a paper clip (d) call an electrician
Last Answer : Ans:(d)

Show More

1 view 1 answer







If a fuse of correct size and type blows frequently, ________________. A. try the next higher amperage rating B. try the next lower amperage rating C. look for trouble within the circuit D. reduce the applied voltage 10%
Last Answer : Answer: C

Show More

1 view 1 answer







A fuse that blows often should be replaced only with a fuse of _____________. A. the recommended current and voltage rating B. higher current and voltage rating C. higher current and lower voltage rating D. lower current and higher voltage rating
Last Answer : Answer: A

Show More

4 views 1 answer







Describe the working of HRC fuse with neat diagram.
Last Answer : Working of HRC Fuse: Under normal conditions, the fuse element is at a temperature below its melting point. Therefore, it carries the normal current without overheating. When a fault ... powder and results in the formation of high resistance substance that helps in quenching the arc. 

Show More

107 views 1 answer







Explain construction and characteristics of HRC fuse.
Last Answer : Construction of H.R.C. Fuse: Figure shows the essential parts of a typical H.R.C. fuse. It mainly consist of a heat resisting ceramic body. Both the ends of the cermaic body consists ... particular circuit and for coordination purpose. A typical Fuse characteristic is shown in figure below. 

Show More

170 views 1 answer







Describe the difference between fuse and MCCB.
Last Answer : Sr. No Fuse MCCB 1 Fuse melts / fuses in case of excessive load. MCCB trips off in case of excessive load. 2 Fuse needs to be replaced after every ... Generally protects the load against short-circuit. Generally protects the load against different types of faults.

Show More

2.6k views 1 answer







Where can one find a portable fan (about 10" or so) that blows either warm or cool air?
Last Answer : Why does it need to blow hot air also if you need it to cool?

Show More

1 view 1 answer







When do I use this proverb "It's an ill wind that blows nobody any good"?
Last Answer : Even misfortune can benefit someone or something.; A calamity for one person usually benefits somebody else. (From Dictionary.com)

Show More

0 views 1 answer







What does it mean when a girl walks behind you and blows on your neck?
Last Answer : Just playful flirting probably

Show More

0 views 1 answer







What fact blows your mind every time you think about it?
Last Answer : The human skeleton weighs around 20 pounds. Always makes me feel morbidly obese.

Show More

1 view 1 answer







Do you have an idea why my VW Jetta 1.8 L Turbo car blows out a cloud of blue smoke whenever I take a sharp corner or on-ramp? It lasts about 10 seconds, then stops smoking!
Last Answer : If the oil cap is not missing or loose I would venture to guess you have a bad seal. Can you see the source? Is it dripping when parked? Oil seals really require a mechanic to properly fix. (Unless you have a good torque wrench and do not mind getting really dirty.)

Show More

0 views 1 answer







What fact blows your mind?
Last Answer : Horseshoe crabs have been around longer than saturn's rings. Horsehoe crabs have been around approximately 450 million years, Saturns rings have been around an estimated 10 - 100 million years (Based on data from Cassini). Like, WHAT?!

Show More

0 views 1 answer







What recent scientific discovery blows your mind?
Last Answer : That scientists found naturally formed tunnels under Panama that connect with some islands in the south whose names I do not remember

Show More

0 views 1 answer







Thirteen women are kneeling around a circle. A whistle blows, and suddenly all thirteen women began shouting out the names of their sons and daughters, while frantically waving their arms. At last, a ... and one of the women is awarded a trophy. What kind of insanity is happening here? -Riddles
Last Answer : The thirteen women, along with their thirteen sons and daughters (all babies of a crawling age), are competing in a 'Fastest Crawling Baby Contest.' Initially, all of the babies were placed in ... to their mother outside of the circle was the winner, and the trophy was subsequently awarded to her.

Show More

0 views 1 answer







If a boy blows 18 bubbles, Then pops 6 eats 7 and then He pops 5 and blows 1. How many are left? -Riddles
Last Answer : 1

Show More

0 views 1 answer













What kind of wind blows in the rainy season ?
Last Answer : Monsoon winds blow during the rainy season.

Show More

0 views 1 answer







Why do you feel comfortable when the wind blows on the sweaty body ?
Last Answer : Sweaty body is very uncomfortable. Body sweat absorbs the latent heat of evaporation from the body and evaporates. The fan wind blows away that hot bump. As a result, the body cools down and feels comfortable.

Show More

1 view 1 answer







When managing choking how many back blows should you provide to the victim?
Last Answer : One at a time, until results are achieved (expulsion of lodgedobject, or signal from victim).

Show More

1 view 1 answer







What during the day wind blows toward or away from land?
Last Answer : Feel Free to Answer

Show More

1 view 1 answer







What is the name of the man who blows the whistle for a train to go out?
Last Answer : Feel Free to Answer

Show More

1 view 1 answer







What is a dry warm wind that blows from the Rocky Mountains down into the valleys below is called a .?
Last Answer : What is the answer ?

Show More

1 view 1 answer






Show More⇦ PreviousNext ⇨