Liquid flow rate is measured using an orifice plate
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 : The self inductance of a coil can be measured using (A) Wien’s Bridge (B) Schering Bridge (C) Anderson’s Bridge (D) Wheatstone Bridge
Last Answer : The self inductance of a coil can be measured using Anderson’s Bridge
Description : If a signal band limited to fm is sampled at a rate less than 2fm, then the constructed signal will be A) Large in amplitude B) Small in amplitude C) Distorted D) Distortion less
Last Answer : If a signal band limited to fm is sampled at a rate less than 2fm, then the constructed signal will be Distorted
Description : How is energy measured ?
Last Answer : How is energy measured What is energy? Energy is the ability to do work and results in a change. It is a very commonly used word in our everyday lives. Different Forms of Energy Energy exists as ... for one hour. Horsepower is another unit of measuring energy. 1 HP is equivalent to 745.7 watts.
Description : The load of a consumer is generally measured in terms of : (A) Volts (B) Amperes (C) Ampere hour (D) kW
Last Answer : The load of a consumer is generally measured in terms of : kW
Description : True value has been 50 whereas measured value is 40 then the percentage error in the reading will be ______. (A) 20% (B) 40% (C) 50% (D) 30%
Last Answer : True value has been 50 whereas measured value is 40 then the percentage error in the reading will be 20%.
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 : The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is (A) zero (B) 0.5 (C) between zero and 0.5 (D) between 0.5 and unity
Last Answer : The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is between 0.5 and unity
Description : Dielectric loss in a capacitor is best measured by (A) Wien Bridge (B) Schering Bridge (C) Anderson Bridge (D) Heaviside-Campbell Equal Ratio Bridge
Last Answer : Dielectric loss in a capacitor is best measured by Schering Bridge
Last Answer : E.m.f. of a Weston cell is accurately measured by electrostatic voltmeter.
Last Answer : A direct current can be measured by a D.C. potentiometer in conjunction with a standard resistance.
Last Answer : Resistances can be measured with the help of ohmmeters and resistance bridges.
Last Answer : Iron loss of a transformer can be measured by low power factor wattmeter.
Description : Requesting Refill Recommendation for Low Lava Lamp Liquid?
Last Answer : This probably has everything you wanted to know, plus some. :) http://www.ehow.com/how_4523962_refill-liquid-lava-lamp.html
Description : How to Make Liquid Soap
Last Answer : Washing with liquid soap is a quick way to get rid of dirt and germs from your hands. The soap's thick base needs a little lathering to get the job done. With only a small amount, it ... as some of the procedures are, you're actually ensuring your own cleanliness, which is a good thing.
Description : How To Make Soap Bubble Blowing Liquid
Last Answer : Ingredients: 4 cups water 12 teaspoons glycerine 8 teaspoons liquid tincture of green soap (available from drugstore but as a substitute, grate or grind very pure toilet soap and use 8 teaspoons of the resulting powder) Instructions: Mix together gently. Let liquid stand for 24 hours before using.
Description : How To Make Bubble Liquid
Last Answer : Materials: 16 Scoops of water 2 Scoops of dish soap 1 Scoop of glycerine Instructions: Mix together and store tightly covered. Best when aged! If you use a one ounce scoop it works out to 16 oz of water, 2 oz of dish soap, and 1 oz of glycerine.
Description : How To Make Basic Liquid Gel Soap
Last Answer : 2 cups soap flakes or grated bar soap 1/2 gallon water 2 tbsp glycerin Mix ingredients together in a large pot or dutch oven. Set over low heat, stirring occasionally until the soap has dissolved. Transfer to a jar and cover tightly. For a less thick gel soap, use 1 gallon of water.
Description : How to restore a bathroom with liquid acrylic?
Last Answer : During operation, a bathtub, like any other piece of furniture, gradually wears out. Mostly, the enamel coating deteriorates: the gloss and shine of whiteness disappear, traces of rust, smudges, ... be suitable (excess acrylic will drain into the prepared container, directly under the drain hole).
Description : What is liquid wallpaper and how to apply it correctly?
Last Answer : What is liquid wallpaper and how to apply it correctly? What could be easier than wallpapering the walls? Nothing complicated, but if we are talking about liquid wallpaper - a modern finishing ... house, a modern office - this material will be an excellent solution for decorating any interior.
Description : Following are the different liquid propellants used in rocket engines
Last Answer : Following are the different liquid propellants used in rocket engines 1. kerosene, Liquid oxygen and Liquid Hydrogen similar to kerosene 2. Alcohol and its derivatives (Ethyl Alcohol) 3. hydrazine and its derivatives 4. Hydrogen peroxide 5. liquid hydrogen
Description : State gaseous and liquid insulating material.
Last Answer : i) Gaseous insulating material : 1. Air 2. Nitrogen 3. Hydrogen 4. SF6 ii) liquid insulating material: 1. Transformer oil 2. Capacitor oil 3. Cable oil 4. Pyranol 5. Savotal 6. Savol 7. Vegetable oil 8. Silicon liquids
Description : Give examples of different types of fuels. Also state any two advantages of liquid fuels over solid fuels.
Last Answer : Examples of different types of fuels:- 1. Indian Coal : It contain 30 to 40 % ash but sulphur content is less than 1%.. 2. Imported coal: It contents low ash about 10% but sulphur ... can be controlled to match the load requirements. 13. Rapid and efficient starting of the boilers from cold.
Description : The material used in liquid fuses is (1) SF6 (3) carbon tetra chloride (2) distilled water (4) transformer oil
Last Answer : The material used in liquid fuses is carbon tetra chloride
Description : Liquid Crystal Display (LCD)
Last Answer : Liquid Crystal Display (LCD) LCD stands for Liquid Crystal Display. It is a flat panel electronic display device which uses light modulating properties of liquid crystal. ... pixel and passive pixel display do not consist of switch at each pixel.
Description : How to Slow Your Heart Rate ?
Last Answer : How to Slow Your Heart Rate Tachycardia or palpitation is a condition where your heart rate is higher than the normal value of 60-100 beats per minute (bpm) . This is usually a symptom ... An early detection of any illness is very important to prevent it from getting worse and avoid complications.
Description : How to Calculate Your Heart Rate ?
Last Answer : How to Calculate Your Heart Rate The heart rate reflects your current state of health, more specifically, it shows your fitness level and at some point, your metabolic rate. It is only a rough estimate ... often feel light, active, and happy each time, since they are clear signs of good health.
Description : What are the different heart rate monitors and how to make a choice?
Last Answer : What are the different heart rate monitors and how to make a choice? The time when only professional athletes could afford training with a heart rate monitor is already in the past. Today literally anyone ... is that the device can withstand dives to a depth of more than 10 meters. Happy choice!
Description : Define : (i) CMMR ii) Slew rate
Last Answer : (i) CMRR:- The CMRR is defined as the ratio of the powers of the differential gain over the common-mode gain, measured in positive decibels (thus using the 20 log rule): As differential gain should ... respond to an abrupt change of input level It is measured as a voltage change in a given time.
Description : The unit heat rate characteristic of a thermal power unit shows : (A) Heat input per kWh of output versus the megawatt output of unit (B) Heat input per kW of output versus the megawatt output ... hour output of unit (D) Heat input per kW of output versus the megawatt hour output of unit
Last Answer : The unit heat rate characteristic of a thermal power unit shows : Heat input per kWh of output versus the megawatt output of unit
Description : The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is_______Vs.
Last Answer : The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is 20 Vs
Description : The rate of rise of current through an inductive coil is maximum?
Last Answer : The rate of rise of current through an inductive coil is maximum at the start of the current flow.
Last Answer : The rate of acceleration on suburban or urban service is in the range 1.6 to 4.0 km phps.
Last Answer : In Hopknison demand rate or two part tariff the demand rate or fixed charges are dependent upon the maximum demand of the consumer.
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 : List variable flow meter.
Last Answer : 1. Variable area : Rotameter 2. Variable head : a) Venturi b) Orifice c) Pitot tube d) Nozzle
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 : 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 : In load flow Study, a PV bus is treated as a PQ bus when
Last Answer : Voltage at the bus becomes high
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 : The current flow in a battery is due to ______ A) movement of ions B) movement of protons C) movement of holes D) movement of neutrons
Last Answer : The current flow in a battery is due to movement of ions
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 : 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