The current flow in a battery is due to movement of ions
Description : Does current flow through a capacitor ?
Last Answer : Imagine a pipe with a flexible diaphram in the middle separating two haves of the pipe. Now the pipe is filled with air. If you apply a pressure to one end the diaphram will deform ... capacitor, the effects on electrons will be recreated across the boundary. But theres no electrical connection...
Description : Inductance affects the direct current flow?
Last Answer : Inductance affects the direct current flow at the time of turning on and off.
Description : What is the direction of flow of current?
Last Answer : Current flows from anode to cathode(opposite direction to flow of electrons)
Description : What is the direction of the conventional current flow?
Last Answer : The conventional current flow in opposite direction of flow of electrons. The electrons flow from negative terminal of battery to positive terminal of battery. And conventional current flow from positive terminal of battery to negative terminal of battery.
Description : What is the direction of flow of electric current in an electric circuit?
Last Answer : It flows from anode to cathode (direction of holes flow)
Description : Can you make alternating current through a battery?
Last Answer : Yes, we can make AC through a battery using an inverter.
Description : Is current from a battery AC or DC?
Last Answer : The current from the battery is DC
Description : Precise control of reactive current flow entering the transmission and distribution systems can be minimized by using (A) synchronous condenser (B) static VAR capacitor (C) capacitor bank (D) thyristor switched reactor in parallel with capacitor
Last Answer : Precise control of reactive current flow entering the transmission and distribution systems can be minimized by using (A) synchronous condenser (B) static VAR capacitor (C) capacitor bank (D) thyristor switched reactor in parallel with capacitor
Description : State advantages & disadvantages of electromagnetic flow meter.
Last Answer : Advantage: Provides wide linear range. 2) Ability to measure reverses flow. 3) Gives rapid response to flow changes. 4) No obstruction is created to flow. 5) It can handle corrosive as ... and pipe networks with relatively short inside diameters. 3) It is useful for electrically conducting fluid.
Description : Compare variable head flow meter with variable area flow meter.
Last Answer : Parameter Variable head flowmeter Variable area flowmeter Working principle Restriction or obstacle is placed in the path of flow to create a differential Pressure. The pressure ... viscous fluid slurries and dirty fluids. In laboratories and testing and production lines.
Description : Describe principle of operation of Doppler type ultrasonic flow meter with diagram.
Last Answer : Diagram: Working: The flow meter consists of a crystal transducer mounted outside the pipe in which flow is to be measured. This transducer is a piezoelectric crystal which ... , so the frequency of the reflected wave is shifted to particle velocity, according to Doppler principle.
Description : Define laminar flow and turbulent flow.
Last Answer : Laminar flow : When a fluid flowing through the pipe at different speeds (fast at center and slow at edges), and the fluid particles move in layers with one layer sliding over the adjacent ... successive cross sections, then this flow is called as turbulent flow. Reynolds no is greater than 4000
Description : Classify hydro-electric power plants according to water flow regulation and explain in brief.
Last Answer : Classification of hydro-electric power plants according to water flow regulation of water flow:- 1. Large reservoir power plant 2. Run-off river (ROR) power plant with poundage 3. Run-off River ... depends upon rate of flow of water Initial cost is less Its purpose is to generate electricity.
Description : Load flow studies involve solving simultaneous (1) linear algebraic equations. (3) linear differential equations. (2) non-linear algebraic equations. (4) non-linear differential equations.
Last Answer : Load flow studies involve solving simultaneous non-linear algebraic equations.
Description : lf the wire which is vertical to this page has electron flow downwards the conductor will have
Last Answer : lf the wire which is vertical to this page has electron flow downwards the conductor will have a counter-clockwise field in the plane of the paper
Description : Do electrons flow from the anode to the cathode?
Last Answer : electrons flow from cathode to anode because the electron has a negative charge and repels from the negatively charged cathode whilst also attracting to the positively charged anode.
Description : What is the flow of electrons from one atom to another called?
Last Answer : Electric current
Description : What is the direction of the flow of electrons?
Last Answer : Electrons flow cathode to anode or in an oposite direction of convection current flow or holes.
Description : when charging a battery we use a DC supply but not an AC supply. Why ?
Last Answer : When power is supplied to the battery, electrolyte inside the battery is divided into positive and negative ions, where ions with similar pole is gained in one side. This reactionʼs flow coincides with direct current.
Description : List out the precautions to be taken while charging of lead- acid battery
Last Answer : precautions to be taken while charging of lead- acid battery: 1) Never keep the battery in the circuit and connect for external charging if it is not designed so. 2) While disconnecting / removing a ... tools etc on batteries. 10) Do not splash any liquids on the batteries, near the charger etc.
Description : Explain the maintenance of lead acid battery.
Last Answer : Maintenance of lead acid battery: 1) Keep the container surface dry by using dry cloths. 2) Tighten the terminal connections. 3) Battery should not be discharged below a minimum voltage. 4) Never keep battery ... -container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
Description : In lead acid battery the density of acid indicates the (1) charge of the battery (2) level of acid (3) e.m.f of the battery (4) damage of the plates
Last Answer : In lead acid battery the density of acid indicates the charge of the battery
Description : In a battery, the difference between the no-load voltage and the measured voltage output is called ________ A) Internal voltage B) Internal resistance C) External resistance D) All the above
Last Answer : In a battery, the difference between the no-load voltage and the measured voltage output is called Internal resistance
Description : what is the difference between capacitor and battery ?
Last Answer : A capacitor stores power but in very small quantitys and work in D/C and A/C circuits and it needs a power source from wich it gets the power it stores and a battery also stores power but in much larger quantitys measured in Amp/Hours
Description : Explain The Flow Of A Typical Instruction Word.?
Last Answer : Answer :The flow of a typical Instruction word is as follows: The content of the program counter of 2 byte is transferred to the address register known as MAR ( memory address register ). This ... bus. Now the data is placed in the instruction register which will eventually decode and execute it.
Description : Axial flow compressor
Last Answer : Axial flow compressor : Working Principle: As the fluid enters and leaves in the axial direction, the centrifugal component in the energy equation does not come into play. Here the compression is fully ... the absolute velocity of the fluid and the stator converts this into pressure rise.
Description : Draw venture meter and write steps to measure flow rate.
Last Answer : Venturi meter consists of three sections that is converging section, throat section and diverging section. The flow is introduced to the meter through the inlet with diameter D' . The inclined angle ... to 15o . Flow rate is proportional to the square root of the differential pressure.
Description : List variable flow meter.
Last Answer : 1. Variable area : Rotameter 2. Variable head : a) Venturi b) Orifice c) Pitot tube d) Nozzle
Description : In load flow Study, a PV bus is treated as a PQ bus when
Last Answer : Voltage at the bus becomes high
Description : The device which allows reverse power flow and withstands highest switch frequency is (A) GTO (B) MOSFET (C) IGBT (D) Inverter grade SCR
Last Answer : The device which allows reverse power flow and withstands highest switch frequency is MOSFET
Description : A Unified Power Flow Controller (FACTS controller) is a voltage source converter based (A) Inter-phase power controller (B) Static Compensator (C) Combination of series and shunt compensators (D) Solid-state series compensator
Last Answer : A Unified Power Flow Controller (FACTS controller) is a voltage source converter based Combination of series and shunt compensators
Description : The power flow problem mathematical model for a linear transmission network (A) is non-linear (B) is linear (C) considers time variation of generation (D) does not consider tap-changing transformers
Last Answer : The power flow problem mathematical model for a linear transmission network is non-linear
Description : Liquid flow rate is measured using (A) a pirani gauge (B) a pyrometer (C) an orifice plate (D) a bourdon tube
Last Answer : Liquid flow rate is measured using an orifice plate
Description : Why do you need a closed circuit for electricity to flow?
Last Answer : When the circuit is closed , a potential diffrence is realized between the two nodes connected .This causes flow of electrons and convection current.
Description : How positive and negative terminals of a battery are identified?
Last Answer : Answer: Positive terminal is identified painted with red color and negative terminal is identified painted with blue color on the top of the battery
Description : What is end of life of the battery?
Last Answer : Answer: If a battery cannot able to hold proper charge or if the battery capacity is falls below 80% of its rated capacity then it is considered as the end of life of the ... Charging and discharging cycles Temperature Leakage of the gases or electrolyte corrosion of the plates over discharge rates
Description : What is stratification in the battery?
Last Answer : Answer: During charging of the battery acid is produced at the plate surface and during discharging of the battery acid will be consumed, due to this nonuniform concentration heavy parts of the ... on the top. This phenomenon is call stratification. Stratification affects the life of the battery.
Description : What factors that decide the VRLA battery to completely charged from fully discharged condition?
Last Answer : Answer: Some of the important factors that determine the duration of the discharged battery to charge are: Duration of the discharge occurred Temperature at which battery is operating Size and efficiency of the charger
Description : Do temperature have effect on battery?
Last Answer : Answer: Temperature is one of the major factors that have impact on battery performance, shelf life, charging and battery voltage control. At higher temperature batteries will have more chemical activity compared to batteries which operate at the designed temperature
Description : How can the state of charge of battery is best indicated?
Last Answer : Ans. The state of charge of battery is best indicated by specific gravity of electrolyte and voltage.
Description : What is a battery?
Last Answer : Ans. Battery is a device which converts chemical energy into electrical energy. It stores energy in form of chemical energy. Types a) Primary cell batteries b) Secondary batteries.
Description : Truck Battery
Last Answer : Need a battery to power your truck but not sure what a truck battery is? Like most batteries used on cars, motorcycles and tractors, truck batteries are lead-acid types. They use lead plates that are ... onto your skin, wash it away immediately with water. Visit a doctor if your skin is burned.
Description : Motorcycle Battery
Last Answer : A true rider knows his motorcycle battery well. After all, it's the part of the bike that allows the engine to start. A typical 12-volt motorcycle battery is encased in plastic and ... result to permanent damage. Always ask an expert first before topping up or charging your motorcycle battery.
Description : Marine Battery
Last Answer : It's nice to go fishing or sailing on a warm sunny day but make sure that your boat has the right battery to power it. A good boat runs on a good marine battery. There are two basic types ... switch a deep-cycle with a cranking battery. The proper battery use will ensure a day of smooth sailing.
Description : Lead Acid battery
Last Answer : If you are a car owner, no doubt you have heard of the term lead-acid battery many times. Well, most car, truck, motorcycle and marine batteries are lead-acid batteries. Lead-acid ... for many of their power supply needs. Lead pollution can be lessened by proper disposal of these batteries.
Description : Battery Trays
Last Answer : You cannot just put a battery in your car, leave it there and drive. That battery might fall over and cause some serious problems to your car. You need a battery tray to secure the battery ... , vibration and shock. High-end models cost more but you will eventually spend less on their maintenance.
Description : Battery Terminal Cleaners
Last Answer : Corrosion is the enemy of car batteries. It can make the most high-end cars fail to start. Battery terminals are especially prone to corrosion because of the presence of water and acid in their ... be restored. If your battery terminals have too much deposit buildup, replace them with new ones.
Description : Battery Terminal
Last Answer : Automotive battery terminals can mean either the posts on a battery to which the jumper cables attach or the part of the cables that attach to the battery's posts. The latter are sometimes ... properly maintained for the car to run smoothly. Regular inspection helps to keep them in good condition.
Description : Battery Clips
Last Answer : So you have a car battery that is losing its power and you don't want to buy a new one. You can recharge it by using battery chargers. However, how do you connect the charger to your ... are unsure about how these clips fasten to your car's battery, ask experts first to avoid potential accidents.
Description : Battery Charger
Last Answer : Do you have a car battery that is losing its power? You can use a battery charger to bring its power back. A battery charger is a device that forces electric current through the battery ... battery are compatible. Carefully read the instructions on how to install the charger to avoid any accidents.