The Q-meter works on the principle of The Q-meter works on the principle of series resonance.
Last Answer : The principle of operation of Q-meter is based on Series resonance.
Last Answer : Q-meter is used to measure Electrical properties of both the coils and the capacitors.
Description : Draw the construction diagram of clip on meter and state its principle.
Last Answer : Construction diagram of clip on meter: A Clamp on meter works on the principle of Faradays laws of electromagnetic induction. When their primary conductor is connected to a.c. ... magenetic core & induces an emf in it according to the faraday's laws of electromagnetic induction.
Description : Draw and explain the working principle of turbine type flow meter. Mention its Application area.
Last Answer : Working Principle: The flow of liquid past the wheel causes the wheel to rotate at a rate which is proportional to the velocity of the fluid. A voltage pulse is induced in ... Suitable for low viscosity high flow measurements 3) Used in petrochemical industries, in Aerospace applications etc.
Description : Explain the working principle of electromagnetic flow meter.
Last Answer : Working Principle: The electromagnetic flow meter uses Faraday's Law of electromagnetic induction to measure the process flow. When an electrically conductive fluid flows in the pipe, an electrode voltage E ... ) The electrode voltage E is directly proportional to the average fluid velocity V.
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 : Draw a neat sketch of 1-ph induction type energy meter and write operating principle of it.
Last Answer : Operating Principal:- The disc is placed between the two-flux due to pressure coil and flux due to current coil, which will set up torque on the disc which is proportional to power causing the ... is proportional to voltage, the second carries a current coil so its flux is proportional to current.
Description : The transformer works on the principle of: (A) Mutual induction (B) Mutual capacitance (C) All of the above (D) None of the above
Last Answer : The transformer works on the principle of: Mutual induction
Last Answer : A zener diode works on the principle of Tunneling of charge carriers across the junction.
Description : on which principle transformer works?
Last Answer : Electromagnetic induction
Description : How a Coriolis Mass Flow Meter Works?
Last Answer : Please refer to the answer as below
Description : What is LCR meter? Draw digital LCR –Q meter block diagram.
Last Answer : An LCR meter is a type of electronic test equipment used to measure the inductance (L), capacitance (C), and resistance (R) of an electronic component. Block diagram digital LCR –Q meter
Description : Draw Q meter circuit of series connection and explain it.
Last Answer : Q meter circuit of series connection OR Explanation The Q meter works on series resonant. The resonance is the condition exists in the circuit when their inductance and capacitance reactance are ... . Hence E=Q Ec so ,the voltmeter is calibrated for finding the value of Q factor.
Description : Draw block diagram of digital LCR –Q meter and explain its working.
Last Answer : Block diagram Working The output of LCR-Q meter is given to current to voltage converter, AC amplifier or DC amplifer depending upon position of switch Current to voltage ... /D converter. A/D converter converts analog signal into digital output andfinaaly displayed on display.
Description : A reading of 120 is obtained when a standard inductor was connected in the circuit of a Q-meter and the variable capacitor is adjusted to a value of 300 pF. A lossless capacitor of unknown value Cx is then connected in ... value of 200 pF. The value of Cx in pF is A) 100 B) 200 C) 300 D) 500
Last Answer : A reading of 120 is obtained when a standard inductor was connected in the circuit of a Q-meter and the variable capacitor is adjusted to a value of 300 pF. A lossless capacitor of unknown value Cx is ... when the variable capacitor is readjusted to a value of 200 pF. The value of Cx in pF is 100
Description : what's the Coriolis Flow Meter Working principle?
Last Answer : Coriolis Flow Meter.A single or dual tube is located inside the pipeline of each Coriolis flow meter. An exciter causes the tube to oscillate constantly. If there is now flow, the tube oscillates uniformly. ... is flowing through the pipe. Higher the phase shift, the more the flow in the tube v
Description : An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall". This is the working principle of a (A) pH meter (B) Polarimeter (C) Chromatograph (D) Polarograph
Last Answer : (A) pH meter
Description : Explain What Is The Working Principle Of The Magnetic Meter?
Last Answer : An electric potential is developed when a conductor is moved across the magnetic field. In most electrical machinery the conductor is a wire. The principle is equally applicable to a moving ... conducting liquids. The magnetic meter is particularly suited to measurement of slurries and dirty fluids.
Description : What Is The Working Principle Of The Magnetic Meter?
Description : Type of power-line frequency meter device utilizing a principle of balancing an indicator needle at center of a scale using magnetic fields opposing each other.
Last Answer : magnetic type
Description : Answer the following S. No Statement Chose the correct answer OR Fill-in-the-blanks 1 Fyrite measures CO2, O2 and SO2 True/False 2 Ultrasonic Flow Meter uses the principle of____& ____ Fill in the ... of RPM meter is used and for a visible shaft-end _______ type of RPM meter is used.
Last Answer : Sr No Statement Chose the correct answer OR Fill-in-the-blanks Solution 1 Fyrite measures CO2, O2 and SO2 True/False False 2 Ultrasonic Flow Meter uses the principle of____& ____ ... ] 10 In a gasification system the reduction zone is above the combustion zone True/False False
Description : Write principle of conductivity meter and Abbes refractometer.
Last Answer : Principle of conductivity meter: Two electrodes (platinum plates) are placed in a sample , a potential is applied across the electrodes, and the current is measured. Principle of Abbe's ... the sample is brought into contact with the medium of a known refractive index (measuring prism).
Description : Draw block diagram of frequency meter and state it’s principle of operation
Last Answer : Block diagram Principle The signal may be amplified before being applied to the Schmitt trigger. The Schmitt trigger converts the input signal into a square wave with fast rise and fall times, ... time interval between start and stop gate then, frequency of unknown signalis, f = N / t
Description : State the working principle of variable area flow meter
Last Answer : Principle of Piston type variable area flow meter: In piston type flow meters, the size of flow restriction is adjusted by an amount necessary to keep the pressure differential constant when the flow rate changes and the amount of adjustment required is proportional to flow rate.
Description : State the principle of ultrasonic flow meter
Last Answer : Principle of ultrasonic flow meter: In ultrasonic flow meters, the measurement of flow rate is determined by the variation in parameters of ultrasonic oscillations. Time Difference Type ultrasonic flow meters ... transverse a pipe section, both with and against the flow of liquid within the pipe.
Description : Explain the working and principle of electromagnetic flow meter with neat diagram.
Last Answer : Electromagnetic flow meter: Principle: Electromagnetic flow meter works on the principle of Faraday's law of electromagnetic induction which states that when a current carrying conductor moves through stationary ... of fluid changes causing the induced emf to change. Diagram:
Description : Explain the working and principle of thermal flow meter.
Last Answer : Thermal flow meter: Principle: Working : It consists of an electric immersion heater for the heating of flowing fluid. Two thermocouples (or resistance thermometers) T1 and T2 are placed at each side ... values of Q, T1 and T2 the flow rate W of liquid is determined from the equation
Description : A jet engine works on the principle of a.Conservation of energy b.Conservation of mass and momentum c.Conservation of linear mementum d.Conservation of energy and momentum e.Conservation of mass
Last Answer : c. Conservation of linear mementum
Description : Which common devices works on the basis of the principle of mutual induction? -Do You Know?
Last Answer : answer:
Description : What is the principle on venturimer works?
Last Answer : Need answer
Description : Optical fibre works on the principle of
Last Answer : total internal reflection
Description : on which principle does rocket works
Last Answer : Newton's Third Law
Description : Which common devices works on the basis of the principle of mutual induction?
Last Answer : – Transformer
Description : A sprayer works on the principle expounded by (a) Newton (b) Archimedes (c) Boyle (d) Pascal
Last Answer : Ans:(d)
Description : A rocket works on the principle of conservation of (a) Mass (b) Energy (c) Linear momentum (d) Angular momentum
Last Answer : Ans:(c)
Description : A vacuum cleaner works on the principle of pressure difference. On the moon it will – (1) work as efficiently as on the earth (2) not work at all (3) work with reduced efficiency (4) work with increased efficiency
Last Answer : (2) not work at all Explanation: Vacuum cleaners work by creating a lower pressure just inside the opening which touches the floor. By creating a low pressure inside the machine, higher air pressure in the room pushes its way into the vacuum cleaner, taking the dirt with it.
Description : A fountain pen works on the principle of (1) Flow of liquids from higher to lower potential (2) Capillary action (3) Bernoulli's principle (4) Viscosity of liquids
Last Answer : (2) Capillary action Explanation: A fountain pen is a nib pen that, unlike its predecessor the dip pen, contains an internal reservoir of water-based liquid ink. The pen draws ink from the ... to flow in narrow spaces without the assistance of, and in opposition to external forces like gravity.
Description : Rocket works on the principle of – (1) Newton's Third Law (2) Newton's First Law (3) Newton's Second Law (4) Archimedes Principle
Last Answer : (1) Newton's Third Law Explanation: The modern science of spaceflight and rockets rest on Newton's Three Laws of Motion, a set of ideas and equations developed in the 1600s. In particular, ... engines point rearward. The action of the engine thrust produces a reaction on the rocket, accelerating it.
Description : The spring balance works on the principle of - (1) Boyle's Law (2) Hooke's Law (3) Bernoulli's principle (4) Pascal's Law
Last Answer : (2) Hooke's Law Explanation: A spring scale or spring balance or Newton meter is a type of weighing scale. It consists of spring fixed at one end with a hook to attach an object at the ... force needed to extend a spring is proportional to the distance that spring is extended from its rest position.
Description : The washing machine works on the principle of – (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation
Last Answer : (4) Centrifugation Explanation: Washing machines work on the principle of centrifugation. They are based on medium sized centrifuges that put an object in rotation around a fixed axis, applying force perpendicular to the axis.
Description : Optical fibre works on the principle of (1) refraction (2) scattering (3) interference (4) total internal reflection
Last Answer : (4) total internal reflection Explanation: Since Torque = force x distance, to open a door easily, the handle should be fixed at the greatest distance from the hinges. If we pull with same force on a handle ... from the hinges, we will provide twice the torque, so it will be twice as easy to open.
Description : Optical fibre works on the - (1) principle of refraction (2) total internal reflection (3) scattering (4) interference
Last Answer : b) total internal reflection Explanation: Optical fiber is a cylindrical dielectric waveguide (non-conducting waveguide) that transmits light along its axis, by the process of total internal reflection.
Description : A jet engine works, on the principle of conservation of - (1) linear momentum (2) angular momentum (3) energy (4) mass
Last Answer : (1) linear momentum Explanation: Linear momentum is a vector quantity defined as the product of an object's mass, m, and its velocity, v. Linear momentum is denoted by the letter p and is called ... for short: Note that a body's momentum is always in the same direction as its velocity vector.
Description : The washing machine works on the principle of - (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation
Description : Atomic power plant works on the principle of – (1) Fission (2) Fusion (3) Thermal combustion (4) Combined effect of all the above three
Last Answer : (1) Fission Explanation: A nuclear power plant is a facility at which energy released by the fissioning of atoms is converted to electrical energy under strictly regulated operating conditions. The major ... power plants except that the coal or oil fired boiler is replaced by a nuclear reactor.
Description : A periscope works on the principle of (1) refraction (2) total internal reflection (3) diffraction (4) reflection
Last Answer : (2) total internal reflection Explanation: Total internal reflection (TIR) is the phenomenon that involves the reflection of the entire incident light off the boundary. Glass prisms can be shaped to ... at an angle greater than the critical angle of 42 and hence they are internally reflected.
Description : A rocket works on the principle of conservation of ______. (1) mass (2) linear momentum (3) energy (4) angular momentum
Last Answer : (2) linear momentum Explanation: A rocket works by expelling gases from one end at a very high velocity. The escaping gases have a very high speed and this with their mass translates to a very large momentum.
Description : A transformer works on the principle of – (1) Self induction (2) Mutual induction (3) Generator (4) Inverter
Last Answer : (2) Mutual induction
Description : A transformer works on the basic principle of ____________. A. self impedance B. attraction and repulsion C. mutual induction D. increasing power
Last Answer : Answer: C
Description : On What Principle Electric Motor Works?
Last Answer : The Motor Principle: when a current-carrying conductor is located in an external magnetic field perpendicular to the conductor, the conductor experiences a force perpendicular to itself and to the ... conductor can be used to determine the direction of the force experienced on the conductor.