What is a measurement? How is measured quantity expressed?

What is a measurement? How is measured quantity expressed?
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What is a measurement? How is measured quantity expressed?
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Which mass measurement is expressed in exactly four significant figures 0.001 g 0.095 g 1005 g 1000 g?

Description : Which mass measurement is expressed in exactly four significant figures 0.001 g 0.095 g 1005 g 1000 g?

Last Answer : 1005 g

Size measurement of ultrafine particles can be best expressed in terms of (A) Centimetre (B) Screen size (C) Micron (D) Surface area per unit mass

Description : Size measurement of ultrafine particles can be best expressed in terms of (A) Centimetre (B) Screen size (C) Micron (D) Surface area per unit mass

Last Answer : (D) Surface area per unit mass

Which of the following statements is incorrect? (a) The mass of a body is not the same as its weight (b) Mass is a measure of quantity of matter whereas weight is a force (c) Mass of a body varies from place to place but its weight remains constant (d) In the MKS system, mass is expressed in kilogram and weight in newton

Description : Which of the following statements is incorrect? (a) The mass of a body is not the same as its weight (b) Mass is a measure of quantity of matter whereas weight is a force (c) Mass of a ... but its weight remains constant (d) In the MKS system, mass is expressed in kilogram and weight in newton

Last Answer : Ans:(c)

Cost Unit is defined as: (a) Unit of quantity of product, service or time in relation to which costs may be ascertained or expressed (b) A location, person or an item of equipment or a group of these for which costs are ascertained and used for cost control. (c) Centres having the responsibility of generating and maximising profits (d) Centres concerned with earning an adequate return on investment

Description : Cost Unit is defined as: (a) Unit of quantity of product, service or time in relation to which costs may be ascertained or  expressed (b) A location, person or an item ... the responsibility of generating and maximising profits (d) Centres concerned with earning an adequate return on investment

Last Answer : Unit of quantity of product, service or time in relation to which costs may be ascertained or  expressed

When a record is made of an actual measured quality characteristic, such as a dimension expressed with thousands of an inch, the quality is said to be expressed by: 1. traits 2. variables 3. attributes 4. properties

Description : When a record is made of an actual measured quality characteristic, such as a dimension  expressed with thousands of an inch, the quality is said to be expressed by: 1. traits  2. variables  3. attributes  4. properties

Last Answer : 2. variables

Which of the following is not a characteristic of a marketing objective? A)Consistent with both business -unit and corporate strategy B)Expressed in clear, simple terms C)Written so that it can be measured accurately D)Specifies a time frame for its accomplishment E)Detailed enough for marketing strategy implementation

Description : Which of the following is not a characteristic of a marketing objective? A)Consistent with both business -unit and corporate strategy B)Expressed in clear, simple terms C)Written ... accurately D)Specifies a time frame for its accomplishment E)Detailed enough for marketing strategy implementation

Last Answer : E)Detailed enough for marketing strategy implementation

What is the English language of physical quantity and measurement ?

Description : What is the English language of physical quantity and measurement ?

Last Answer : English physical quantities and meadurements.

Let x = [a^2b^2/c] be the physical quantity. If the percentage error in the measurement of physical quantities a, b and c is 2, 3 and 4

Description : Let x = [a^2b^2/c] be the physical quantity. If the percentage error in the measurement of physical quantities a, b and c is 2, 3 and 4

Last Answer : Let x = \([\frac{a^2b^2}{c}]\) be the physical quantity. If the percentage error in the measurement of physical ... 7% (B) 14% (C) 21% (D) 28%

The measurement of sensitivity of quantity demand to change in price is calle(d) (a) Price elasticity ; (b) Income elasticity ; (c) Expansion in demand ; (d) None

Description : The measurement of sensitivity of quantity demand to change in price is calle(d) (a) Price elasticity ; (b) Income elasticity ; (c) Expansion in demand ; (d) None

Last Answer : (a) Price elasticity

Measurement of a non -electrical quantity involves the following four subsystems:

Description : Measurement of a non -electrical quantity involves the following four subsystems:  a) amplifier block b) display block c) instrumentation block d) transducer block  The correct, sequence in which these block occur is  (1) d,a,c,b (2) d, c, a, b (3) a, c, b, d (4) a, b, c, d

Last Answer : Measurement of a non -electrical quantity involves the following four subsystems:  a) amplifier block b) display block c) instrumentation block d) transducer block  The correct, sequence in which these block occur is d,a,c,b

The temperature of a liquid can be measured in Kelvin units as x K or in Fahrenheit units as y°F. The relation between the two system of measurement of temperature is given by the linear equation y = 9/5 ( x - 273 ) + 32 -Maths 9th

Description : The temperature of a liquid can be measured in Kelvin units as x K or in Fahrenheit units as y°F. The relation between the two system of measurement of temperature is given by the linear equation y = 9/5 ( x - 273 ) + 32 -Maths 9th

Last Answer : Solution :-

What unit of measurement is hydrogen measured?

Description : What unit of measurement is hydrogen measured?

Last Answer : What is the answer ?

Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure. (A) Small differential (B) Atmospheric (C) Absolute (D) Gage

Description : Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure. (A) Small differential (B) Atmospheric (C) Absolute (D) Gage

Last Answer : (A) Small differential

Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to (A) 14.14 m (B) 28.28 m (C) 200 m (D) None of these

Description : Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of ... should be limited to (A) 14.14 m (B) 28.28 m (C) 200 m (D) None of these

Last Answer : (B) 28.28 m

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Last Answer : Option A

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Last Answer : Option A

When the balloon on the distal tip of a pulmonary artery catheter is inflated and a pressure is measured, the measurement obtained is referred to as the a) pulmonary artery wedge pressure. When the balloon is inflated, the tip of the catheter floats into smaller branches of the pulmonary arty until it can no longer be passed and the pressure is recorded, reflecting left atrial pressure and left ventricular end-diastolic pressure.

Description : When the balloon on the distal tip of a pulmonary artery catheter is inflated and a pressure is measured, the measurement obtained is referred to as the a) pulmonary artery wedge ... Cardiac output is determined through thermodilution involving injection of fluid into the pulmonary artery catheter.

Last Answer : a) pulmonary artery wedge pressure. When the balloon is inflated, the tip of the catheter floats into smaller branches of the pulmonary arty until it can no longer be passed and the pressure is recorded, reflecting left atrial pressure and left ventricular end-diastolic pressure.

What is the degree of exactness of measurement when compared to the expected value of the variable being measured?

Description : What is the degree of exactness of measurement when compared to the expected value of the variable being measured?

Last Answer : Accurary

Most of the outcome/dependent variable characteristics and attributes measured on educational characteristics probably exist at the ______________ level of measurement. a. Nominal b. Ordinal c. Interval d. Ratio

Description : Most of the outcome/dependent variable characteristics and attributes measured on educational characteristics probably exist at the ______________ level of measurement. a. Nominal b. Ordinal c. Interval d. Ratio

Last Answer : b. Ordinal

The distance between the towns is only 30 kms as the crow flies. (1) when measured in a straight line (2) when measured in a random manner (3) when measured between the two highest points (4) when the curves of the road are included in the measurement

Description : The distance between the towns is only 30 kms as the crow flies. (1) when measured in a straight line (2) when measured in a random manner (3) when measured between the two highest points (4) when the curves of the road are included in the measurement

Last Answer : 1) when measured in a straight line

The length of line measured by 20 m chain was found to be 751 m. The chain was tested before start of measurement and was found correct. The chain was again tested after measurement and was found 6 cm too short. What shall be the correct length of line ?

Description : The length of line measured by 20 m chain was found to be 751 m. The chain was tested before start of measurement and was found correct. The chain was again tested after measurement and was found 6 cm too short. What shall be the correct length of line ?

Last Answer : Given Data: Standard length of chain (L)= 20m Measured Length (M.L.) = 751 m Error before start of measurement = 0.0 Error after measurement = 6 cm = 0.06 m To Find: Actual length or Correct length Solution: ... (L'/L)  = (751) x (19.97/20)  = 749.87 Correct length of line is 749.87 m

How productivity is measured? Explain any one method of productivity measurement.

Description : How productivity is measured? Explain any one method of productivity measurement.

Last Answer : Measurement of productivity: - For measurement of productivity, one must find out input and output of the system. To measure the input resources and goods or services supplied is a critical job ... , cutting tools, coolant etc. Material productivity measures in terms of goods produced.

Explain errors in product of measured quantity.

Description : Explain errors in product of measured quantity.

Last Answer : Explain errors in product of measured quantity.

Explain errors in sum and in difference of measured quantity.

Description : Explain errors in sum and in difference of measured quantity.

Last Answer : Explain errors in sum and in difference of measured quantity.

Explain errors due to power (index) of measured quantity.

Description : Explain errors due to power (index) of measured quantity.

Last Answer : Explain errors due to power (index) of measured quantity.

Which physical quantity is measured in ‘siemens’? (1) Electric potential (2) Electrical conductance (3) Magnetic flux (4) Refractive index

Description : Which physical quantity is measured in ‘siemens’? (1) Electric potential (2) Electrical conductance (3) Magnetic flux (4) Refractive index

Last Answer : (2) Electrical conductance Explanation: The Siemens is the unit of electric conductance, electric susceptance and electric admittance in the International System of Units (SI).

What type of meter is shown and what is the value of the quantity being measured for each meter in figure 1-51?

Description : What type of meter is shown and what is the value of the quantity being measured for each meter in figure 1-51?

Last Answer : (A) Megger (megohmmeter), infinity; (B) Wattmeter, 9.5 kilowatts (9,500 watts). (C) Watt-hour meter, 2.693 megawatt-hours 2,693 kilowatt-hours) (2,693,000 watt-hours).

What type of meter is shown and what is the value of the quantity being measured for each meter in figure1-49?

Description : What type of meter is shown and what is the value of the quantity being measured for each meter in figure1-49?

Last Answer : a. A dc ammeter, 90 mA dc b. A dc voltmeter, 200 V dc c. An ac voltmeter, 4.6 V ac d. An ohmmeter, 400 ohms

What electrical quantity is measured by a watt-hour meter?

Description : What electrical quantity is measured by a watt-hour meter?

Last Answer : Energy.

What electrical quantity is measured by a wattmeter?

Description : What electrical quantity is measured by a wattmeter?

Last Answer : Power

What electrical quantity is measured by an ohmmeter?

Description : What electrical quantity is measured by an ohmmeter?

Last Answer : Resistance.

What electrical quantity is measured by a voltmeter?

Description : What electrical quantity is measured by a voltmeter?

Last Answer : Voltage.

A moving system force in analog instruments which ensures that the deflection of the pointer for a given value of measured quantity always has the same value

Description : A moving system force in analog instruments which ensures that the deflection of the pointer for a given value of measured quantity always has the same value

Last Answer : controlling force

An instrument in which the magnitude of the measured quantity is indicated by means of pointer.

Description : An instrument in which the magnitude of the measured quantity is indicated by means of pointer.

Last Answer : analog instrument

Material price, mix, usage and revised quantity variances are measured on _______ basis, whereas material yield variance is measured on _______ basis. A. Output, Input B. Output, Output C. Input, Output D. None of the above

Description : Material price, mix, usage and revised quantity variances are measured on _______ basis, whereas material yield variance is measured on _______ basis. A. Output, Input B. Output, Output C. Input, Output D. None of the above

Last Answer : C. Input, Output

The sub-variance of material usage variance, known as Material mix variance is measured as A. Total standard cost - Total actual cost B. Standard cost of revised standard mix - Standard cost of actual mix C. (Standard unit price - Actual unit price) * Actual quantity used D. (Standard quantity - Actual quantity) * Unit standard price

Description : The sub-variance of material usage variance, known as Material mix variance is measured as A. Total standard cost - Total actual cost B. Standard cost of revised standard mix - Standard cost of ... unit price) * Actual quantity used D. (Standard quantity - Actual quantity) * Unit standard price

Last Answer : B. Standard cost of revised standard mix - Standard cost of actual mix

In a CRO, the quantity to be measured is applied across

Description : In a CRO, the quantity to be measured is applied across  (1) focusing electrodes (2) cathode (3) Y-plates (4) X-plates

Last Answer : C