Gross errors occur in measurements because of

(A) disturbances about which we are unaware.

(B) human mistakes.

(C) inherent shortcomings in the instrument.

(D) loading effects on the meters.

1 Answer

Answer :

Gross errors occur in measurements because of human mistakes.

Related questions

Description : different types of errors occurs in measurement.

Last Answer : Generally errors are classified into three types: systematic errors, random errors and blunders. 1) Gross Errors 2) Random Errors 3) Systematic Errors Instrumental Errors Environmental ... to wrong observations or reading in the instruments particularly in case of energy meter reading. 

Description : What are the factors influencing measurement errors?

Last Answer : The factor influencing measurement errors are accuracy, precision, range and bandwidth, sensitivity, resolution and uncertainty.

Description : DC motor gross torque example

Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : State any four errors that occur in dynamometer type wattmeter

Last Answer : Errors that occur in dynamometer type wattmeter: 1. Errors due to method of connection. 2. Error due to pressure coil inductance. 3. Error due to pressure coil Capacitance. 4. Error due to mutual ... Error due to eddy currents. 7. Temperature error. 8. Error due to vibration of moving system

Description : Several Questions Rolled Into One: What measurements were originally used to determine foot size? Who was the first to measure feet for shoes? Why are the measurements different for men and women and different countries?

Last Answer : answer:The foot as a measure was used in almost all cultures and was usually divided into 12, sometimes 10 inches/thumbs or into 16 fingers/digits. The first known standard foot measure was from ... the international foot is defined to be equal to 0.3048 metres (equivalent to 304.8 millimetres).

Description : Describe the need of level measurements.

Last Answer : In almost all industries, vast quantities of liquid such as water ,solvents, chemicals etc. are used in number of processes. It is widely employed to monitor as well as measure ... and therefore its measurement becomes important in a variety of processes encountered in modern manufacturing plants.

Last Answer : For measurements on high voltage capacitors, the suitable bridge is Schering bridge.

Description : List three types of errors in measuring instruments. Give reasons of occurring for any one of them.

Last Answer : Types of errors in measuring instruments:  A) Gross error: These are due to mistakes on the part of person using the instrument.  B) Systematic Error: i) Instrumental Error: These ... multiplying factor.  C) Random error: These persist even after gross and systematic errors are removed.

Description : Give the classification of the errors used in measuring instrument & state the reason for their occurrence.

Last Answer : Types of errors in measuring instruments:  A) Gross error: These are due to mistakes on the part of person using the instrument.  B) Systematic Error:  i) Instrumental Error: These ... multiplying factor.  C) Random error: These persist even after gross and systematic errors are removed. 

Description : What arc the errors occurring in measuring devices due to stray magnetic field and temp '? Explain how to compensate them.

Last Answer : 1. Error due to stray magnetic fields-   Main magnetic field gets disturbed by external magnetic fields known as stray magnetic fields.  2. Compensation technique   To avoid this error, ... resistance alloy having a negligible resistance temp coefficient in the ratio of 1:10 for pressure coil 

Description : Describe systematic errors in measuring instruments. 

Last Answer : Systematic errors: -  ➢ Instrumental Error: These errors are caused due to the mechanical structure of measuring instrument.  a) Inherent shortcomings of instruments: Instrument may read ... or electrostatic fields.  ➢ Observational Error: Parallax errors, incorrect multiplying factor. 

Description : State various types of errors in wattmeter.

Last Answer : Types of Error in wattmeter: 1. Errors due to method of connection. 2. Error due to pressure coil inductance. 3. Error due to pressure coil Capacitance. 4. Error due to mutual inductance effect. 5. ... . Error due to eddy currents. 7. Temperature error. 8. Error due to vibration of moving system.

Description : List the different errors in wattmeter & explain compensation for it.

Last Answer : Errors in Wattmeter Compensation method Error due to connection method To overcome this error, wattmeters are provided with additional compensating winding which is connected in series with ... due to friction The weight of moving system be reduced to minimum possible.

Description : List any four errors in induction type energy meter. Give method of compensation for each.

Last Answer : Errors in Induction Type Energy Meter with their Compensation:  1) Error due to friction: This error can be compensated by the additional shading band provided on the shunt electromagnet.  2) Phase ... error: This error can be compensated by providing a flux diverter' to the current magnet. 

Last Answer : Systematic errors are instrumental errors, environmental errors, observational errors.

Description : Would I be the only one terrified of working with cash? I don't think I could ever do the job of a cashier!

Last Answer : I just applied for a job at Barnes and Noble and I’m also really worried about working with money. I’m constantly recounting money because I’m always sure I’ve made a mistake.

Description : What is a mistake that you keep making?

Last Answer : Putting things off. It only makes it more difficult to do, when you finally get to it.

Description : When I click on a link from a Google search, instead of opening the page it searches different engines - what gives?

Last Answer : Based on the appearance of the term “affiliate” in the second link you posted, then I would say yes you do have a virus.

Description : How tall is 6 feet 6 inches?

Last Answer : 1.9812 meters 6 and a half feet 6 feet 6 inches Taller than the average man.

Description : Is a shadow on the ground, cast by sunlight, the same width as the object that cast it?

Last Answer : answer:Yes. The rays of light are all parallel to each other because they all come from the sun, which is very, very far away. There will always be some fuzziness at the shadow's edges ... accurate IF you measure the wall's shadow along a line parallel to the wall-otherwise you need trigonometry.

Description : How would an amount of antimatter be measured for sale?

Last Answer : By the amount of matter displaced.

Description : What size flag is this?

Last Answer : answer:The general ratio of a US Flag is 1:1.9 The men standing are about the height of three stripes, and given an estimate of 5'10 average height, the flag is about 25 feet high. The flag should ... high, 19 feet wide. The one in the picture is too square; it should extend more to the right.

Description : Can a man's penis size be compared the same way as a woman's breast size?

Last Answer : I think I know what you're asking. But you might have over thought it and tried to use numbers and science haha. In the same way some men go, Oh my goodness look at those tits. You're asking if ... with dudes. I'm an attractive guy, but I don't look for the biggest and fattest tits out there. I

Description : How much hate is enough to warrant repercussions?

Last Answer : answer:I hate finding stupid grammar and other mistakes after the editing time has elapsed. *I am of the strong opinion that bigotry and hate in any amount need to be held up to the light and shown for the evil they are.

Description : Is there a formula that can calculate rainfall on a gallons-per-square-mile basis?

Last Answer : answer:It's a relatively straightforward conversion problem. Once you figure out how big the drops are (and if you have a good count of drops per minute per area) then it's not hard at all. The tough ... but your example is close enough to that). EDIT: 1 Acre-Foot of water is 325,852 US gallons.

Description : Do people outside of the US use rulers in US Customary and Metric, or just metric?

Last Answer : My tape measure is calibrated in British Units (inches, feet, yards) and Metric units. I have a metre stick similarly calibrated and a ruler around 12” long with both sets of units.

Description : What would you like to see (globally) standardized?

Last Answer : answer:The metric system. The Farenheit scale, which is much more precise than Centigrade degrees (smaller increments). Ladies' clothing and shoe sizes. Men's sizes are uniform; why shouldn't the ... obese women, and that size 2 is average. Whatever happended to standard-sized windows and doors?

Description : How much loose leaf tea do you use in a tea pot?

Last Answer : I have found, mainly through trial and error and folklore, that the cup' is an ordinary drinking-out-of cup/ mug, and spoon' is a teaspoon. I use one heaped teaspoon of the tea per number of cups and, as you ... out of it, too much water will result in weak tea! (I do not live in Boston . . . .)

Description : How can I measure oxygen content in the air?

Last Answer : answer:Did you wake up this morning? Then, there’s plenty of oxygen in your room. lol Okay…seriously…I don’t know, but look….science Cy charges in…—waiting, waiting to learn something new.

Description : What does the pixel size of a font actually measure?

Last Answer : answer:I believe it's baseline to the top of a typical ascender. So in Toy , it would be from the top of the T to the bottom of the o . They're still scalable even with pixels, but ... typical web safe fonts seem to stay pretty close together. Outside of that, you'll see a lot of variance.

Description : I need to know how many feet is 122 cm......(centimeters)

Last Answer : answer:4.00262467 feet — 2.54 centimeters == 1 inch. So… 122cm x (1in ÷ 2.54cm) x (12in ÷ 1ft) = 4.00262467 feet

Description : Is there truly an accurate way to measure the sea level of a location?

Last Answer : The technology for altimeters has changed over time. Some use pressure measurements and others use satellites (GPS technology) or radar to determine the altitude of a given place (you can use sea level as the base ... sense of just how high Denver is so one might be able to shed some light . . .

Description : What is the difference between the Richter Scale and the moment magnitude scale?

Last Answer : The moment magnitude scale has superseded the Richter scale. The values remain pretty similar.

Description : How do you calculate the cubic feet of a refrigerator?

Last Answer : Did your family pass high school maths? I kid. Click!

Description :  A Wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of: - a) Resistance of the connecting lead b) Thermoelectric EMFs c) Contact resistance d) all the above

Last Answer :  A Wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of: - a) Resistance of the connecting lead b) Thermoelectric EMFs c) Contact resistance d) all the above

Description : Of the following statements, which best distinguishes ordinary negligence from gross negligence? a. The more material the undetected error the greater the likelihood of ordinary negligence. ... care denotes ordinary negligence, whereas failure to exercise minimal care indicates gross negligence

Last Answer : Failure to exercise reasonable care denotes ordinary negligence, whereas failure to exercise minimal care indicates gross negligence

Description : The primary advantage of key-to-tape data entry system is A) A large percentage of editing can be performed at the time of data entry B) Key verification is easily performed C) The tape is reusable D) Keying errors can be detected as they occur.

Last Answer : Answer : C

Description : The primary advantage of key-to-tape data entry system is a. A large percentage of editing can be performed at the time of data entry b. Key verification is easily performed c. The tape is reusable d. Keying errors can be detected as they occur

Last Answer : The tape is reusable

Description : Error rate is A. an error-detectingcode based ona summation operation performed onthebits to be checked. B. a checkbit appended to anarrayof binary digits to make thesum of all thebinary digits. C. a ... ratioof the number ofdata units in error to the total number of dataunits E. None of the above

Last Answer : the ratioof the number ofdata units in error to the total number of dataunits

Description : Pick up the correct statement from the following: (A) Mistakes arise from inattention, inexperience or carelessness (B) Systematic errors persist and have regular effects in the survey performances (C) Accidental errors occur inspite of every precaution is taken (D) All the above

Last Answer : (D) All the above

Description : If errors occur in the recording process, they a. should be corrected as adjustments at the end of the period. b. should be corrected as soon as they are discovered. c. should be corrected when preparing closing entries. d. cannot be corrected until the next accounting period.

Last Answer : b. should be corrected as soon as they are discovered.

Description : List the three basic errors that occur during fiber alignment.

Last Answer : Fiber separation (longitudinal misalignment), lateral misalignment, and angular misalignment.

Description : List the types of systematic errors and state the reasons due to which these errors occur.

Last Answer : Systematic Error: i) Instrumental Error: These errors are caused due to the mechanical structure of measuring instrument such as: a) Inherent shortcomings of instruments: Instrument may ... or electrostatic fields. iii) Observational Error: Parallax errors, incorrect multiplying factor.

Description : need of calibration and explain the procedure to calibrate the instrument.

Last Answer : Need of calibration: Every measuring device degrades over time due to normal wear and tear. These changes can be caused by various reasons such as electric or mechanical shock or a hazardous manufacturing ... different magnitude are used to calculate the resistance based on ohm's law.

Description : Compare Dual slope DVM and SAR type DVM.

Last Answer : Sr no Dual slope DVM SAR type DVM 1 It is highly accurate It is moderately accurate 2 Cost is high It is inexpensive 3 Two comparator is used One comparator is used ... resolution Good resolution 5 Slow speed High speed 6 Less Error More error

Description : block diagram of logic analyzer.

Last Answer : A logic analyzer can be triggered on a complicated sequence of digital events, then capture a large amount of digital data from the system under test (SUT).When logic analysers first came ... Once the data are captured, they can be displayed several ways, from the simple) to the complex 

Description : operation of DSO with block diagram.

Last Answer : The input is amplified and attenuated with input amplifiers. The output of the input signal amplifiers feeds an analog to digital converter (ADC). There are numbers of ADC available. But the selection of ADC ... view the display on the CRT, the data from memory is reconstructed in analog form.

Description : sketch time period measurement by CRO.

Last Answer : Horizontal sweep is turned ON and the display appealing on the screen is adjusted by varying different control knobs provided on the front panel of CRO, till the signal is suitably displayed ... Where m=Number of division in one complete cycle n=Setting of time base =Time/Division

Description : operation of ramp type DVM.

Last Answer : This is given to an input comparator which will compare two signals and generates the output. One input to the input comparator is from the input and another input is from the ramp. This input voltage and ... ground and output is given. This output will stop the flow of purchase from clock

Description : operation of half wave rectifier type AC Voltmeter.

Last Answer :  Half-wave Rectifier Voltmeter The d'Arsonval meter movement only responds to the average or dc value of the current through the moving coil. In order to measure alternating ... ) input voltage signal alternating signal needs to be rectified first by using diode rectifier to produce