A measure of the reproducibility of measurement is known as

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Answer :

A measure of the reproducibility of measurement is known as Precision.

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One of the following statements is NOT true : (A) Accuracy expresses the correctness of measurement (B) Precision represents reproducibility of measurement (C) High degree of precision implies high degree of accuracy also (D) High degree of accuracy implies high degree of precesion also

Description : One of the following statements is NOT true : (A) Accuracy expresses the correctness of measurement (B) Precision represents reproducibility of measurement (C) High degree of precision implies high degree of accuracy also (D) High degree of accuracy implies high degree of precesion also

Last Answer : (C) High degree of precision implies high degree of accuracy also

During the testing of a module tester ‘X’ finds a bug and assigned it to developer. But developer rejects the same, saying that it’s not a bug. What ‘X’ should do? A. Report the issue to the test manager and try to settle with the developer. B. Retest the module and confirm the bug C. Assign the same bug to another developer D. Send to the detailed information of the bug encountered and check the reproducibility

Description : During the testing of a module tester X' finds a bug and assigned it to developer. But developer rejects the same, saying that it's not a bug. What X' should do? A. Report ... same bug to another developer D. Send to the detailed information of the bug encountered and check the reproducibility

Last Answer : D. Send to the detailed information of the bug encountered and check the reproducibility

During the testing of a module tester ‘X’ finds a bug and assigned it to developer. But developer rejects the same, saying that it’s not a bug. What ‘X’ should do? A. Report the issue to the test manager and try to settle with the developer. B. Retest the module and confirm the bug C. Assign the same bug to another developer D. Send to the detailed information of the bug encountered and check the reproducibility

Description : During the testing of a module tester X' finds a bug and assigned it to developer. But developer rejects the same, saying that it's not a bug. What X' should do? A. Report ... same bug to another developer D. Send to the detailed information of the bug encountered and check the reproducibility

Last Answer : D. Send to the detailed information of the bug encountered and check the reproducibility

Difference between repeatability and reproducibility

Description : Difference between repeatability and reproducibility

Last Answer : Repeatability Reproducibility It is the degree of closeness with which a given input value is repeatedly measured. It is the degree of closeness with which a given input value is repeatedly measured . ... given period of time It is random in nature It is not random in nature

Explain repeatability and reproducibility of instruments

Description : Explain repeatability and reproducibility of instruments

Last Answer : Repeatability: closeness of agreement among a no. of consecutive measurement of output for the same value of input under the same operating conditions for fullrange traverse. Reproducibility: closeness of ... for the same value of input under the same operating conditions over a period of time.

Which of the following instruments can be used for measurement of very high value resistances such as

Description : Which of the following instruments can be used for measurement of very high value resistances such as insulation resistance in industries? A) Wheatstone bridge B) Megger C) Ohm-meter D) Resistive potentiometer 

Last Answer : Which of the following instruments can be used for measurement of very high value resistances such as insulation resistance in industries? A) Wheatstone bridge B) Megger C) Ohm-meter D) Resistive potentiometer 

In the measurement of power of balanced load by two wattmeter method in a 3-phase circuit, The readings

Description :  In the measurement of power of balanced load by two wattmeter method in a 3-phase circuit, The readings of the wattmeters are 4 kW and 2 kW respectively, the later is being taken after reversing the connections of current coil. the ... kVAR B) 0.2 & 6 √3 kVAR C) 0.32 & 2 kVAR D) 0.32 & 2 √3 kVAR

Last Answer :  In the measurement of power of balanced load by two wattmeter method in a 3-phase circuit, The readings of the wattmeters are 4 kW and 2 kW respectively, the later is being taken after reversing the ... of current coil. the power factor and reactive power of the load is 0.2 & 6 √3 kVAR

The function of measurement system is/are _____.

Description : The function of measurement system is/are _____.

Last Answer : The function of measurement system are indicating, recording and controlling function.

For power measurement of three phase circuit by two wattmeter method, when the value of power factor

Description : For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging:

Last Answer : For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging: One of the wattmeter connections will have to be reversed

The measurement range of an ammeter can be increased by using a:

Description : The measurement range of an ammeter can be increased by using a:

Last Answer : The measurement range of an ammeter can be increased by using a: low resistance in shunt

Clamp on ammeter is used for measurement of:

Description : Clamp on ammeter is used for measurement of:

Last Answer : Clamp on ammeter is used for measurement of: large alternating currents

Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of

Description : Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of frequency in the applied voltage waveform is   (A)sinusoidal (B) square (C) rectangular (D) triangular

Last Answer : Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of frequency in the applied voltage waveform is sinusoidal 

Measurement of power and power factor of a 3-phase system by two wattmeter method can be

Description : Measurement of power and power factor of a 3-phase system by two wattmeter method can be obtained in case of  1. Balanced load and balanced source  2. Balanced source with 3-phase 3-wire unbalanced load  3. Unbalanced source with 3-phase 3 ... b) 2, 3 and 5 (c) 1, 2, 3, 4 and 5 (d) 1, 2, 3 and 5 

Last Answer : Measurement of power and power factor of a 3-phase system by two wattmeter method can be obtained in case of  1. Balanced load and balanced source  2. Balanced source with 3-phase 3-wire unbalanced load  3. Unbalanced source with 3- ... b) 2, 3 and 5 (c) 1, 2, 3, 4 and 5 (d) 1, 2, 3 and 5 

Integrating principle in the digital measurement is the conversion of

Description : Integrating principle in the digital measurement is the conversion of   (a) Voltage to time (b) Voltage to frequency (c) Voltage to current (d) Current to voltage

Last Answer : Integrating principle in the digital measurement is the conversion of Voltage to frequency

In the measurement of power by two wattmeter method, when the readings of the two

Description : In the measurement of power by two wattmeter method, when the readings of the two wattmeters are equal, the power factor is (A) Zero (B) Leading (C) Lagging (D) Unity

Last Answer : In the measurement of power by two wattmeter method, when the readings of the two wattmeters are equal, the power factor is Unity

For measurement of radio frequency ac signals __________ type meter is used

Description : For measurement of radio frequency ac signals __________ type meter is used

Last Answer : For measurement of radio frequency ac signals thermo-couple type meter is used

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 bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm

Description : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

Last Answer : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

Accurate measurement of very low resistances is possible with

Description : Accurate measurement of very low resistances is possible with (A) Megger (B) Wheatstone Bridge (C) Kelvin’s Double Bridge (D) Wagner’s Earthing Device

Last Answer : Accurate measurement of very low resistances is possible with Kelvin’s Double Bridge

The absolute measurement of resistance is done by

Last Answer : The absolute measurement of resistance is done by Lorenz method.

Why is a MISC meter not recommended for DC measurement?

Last Answer : MISC meter not recommended for DC measurement because the error is high due to the hysteresis effect.

Ryall crest voltmeter is used for measurement of

Last Answer : Ryall crest voltmeter is used for measurement of High AC voltage.

An instrument to be used for measurement and control should preferably have

Last Answer : An instrument to be used for measurement and control should preferably have Linear output and fast response

In the case of power measurement by two wattmeter method in a balanced 3Φ system with a pure inductive load

Last Answer : In the case of power measurement by two wattmeter method in a balanced 3Φ system with a pure inductive load both the Wattmeter will indicate the same but of opposite sign.

Kelvin double bridge is best suited for the measurement of:

Last Answer : Kelvin double bridge is best suited for the measurement of: Low resistance

Megger is an instrument used for the measurement of:

Last Answer : Megger is an instrument used for the measurement of: High resistance and insulation resistance

Hay’s Bridge is suitable for the measurement of:

Last Answer : Hay’s Bridge is suitable for the measurement of: Inductances with Q>10.

The power measurement in a balanced 3-phase circuit can be done by:

Last Answer : The power measurement in a balanced 3-phase circuit can be done by: One wattmeter method, Two wattmeter method, Three wattmeter method.

Commonly used instruments in power system measurement are?

Last Answer : Commonly used instruments in power system measurement are induction.

For measurement of inductance having high value, we should use?

Last Answer : For measurement of inductance having high value, we should use Hay's bridge.

For measurement of mutual inductance we can use?

Last Answer : For measurement of mutual inductance we can use Heaviside bridge.

In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero...

Description : In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be?

Last Answer : In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be 0.5.

In a 3-phase power measurement by two wattmeter method, both the wattmeters had identical readings...

Description : In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was?

Last Answer : In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was unity.

The bridge used to measure the dielectric loss of an insulator is:

Description : The bridge used to measure the dielectric loss of an insulator is: A) Anderson bridge B) Wien’s bridge C) Schering bridge D) Any of the above

Last Answer : C)Schering bridge

A Wien bridge is used to measure

Description : A Wien bridge is used to measure (A) quality factor of a coil (B) audio frequency of a signal (C) capacitance of a capacitor (D) inductance of a coil 

Last Answer : D)  Inductance of a coil

Moire fringes are used to measure rotary displacement along with _____.

Description : Moire fringes are used to measure rotary displacement along with _____.

Last Answer : Moire fringes are used to measure rotary displacement along with optical encoders only.

Megger is used to measure

Description : Megger is used to measure (a) very high resistance or insulation resistance. (b) low resistance. (c) high resistance. (d) very low resistance. 

Last Answer : (a)very high resistance or insulation resistance

A VTVM can be used to measure

Description : A VTVM can be used to measure (a) dc voltage only (b) ac voltage only (c) both (a) and (b) (d) None of the above 

Last Answer : A VTVM can be used to measure DC voltage only. If we want to measure AC voltage then we have to add rectifier.

A d.c. potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of

Description : A d.c. potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18V obtains balance at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf0fthe test cell is  A)1.00V B)1.34V C)1.50V D)1.70V 

Last Answer : A d.c. potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18V obtains balance at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf0fthe test cell is 1.34V

The minimum number of wattmeter(s) required to measure 3-phase, 3-wire balanced or unbalanced power is

Description : The minimum number of wattmeter(s) required to measure 3-phase, 3-wire balanced or unbalanced power is  A) 1 B) 2 C) 3 D) 4

Last Answer : B

Maxwell's bridge is used to measure

Description : Maxwell's bridge is used to measure (A) Inductance (B) Frequency (C) Capacitance (D) Resistance

Last Answer : Maxwell's bridge is used to measure Inductance 

A Pyrheliometer is an instrument to measure :

Description : A Pyrheliometer is an instrument to measure :  (A) temperature of solar photovoltaic cell  (B) intensity of direct solar radiation at normal incidence  (C) intensity of indirect solar radiation  (D) efficiency of a solar photovoltaic cell

Last Answer : A Pyrheliometer is an instrument to measure : intensity of direct solar radiation at normal incidence 

Piezoelectric Transducer is used to measure

Description : Piezoelectric Transducer is used to measure  (1) displacement (2) resistance (3) current (4) temperature

Last Answer : Piezoelectric Transducer is used to measure displacement 

An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic

Description : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be  (1) unaffected (2) decreased (3) increased (4) either decreased or increased depending on the direction of the DC field

Last Answer : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be either decreased or increased depending on the direction of the DC field

Which of the following can be used to measure the capacitance of a capacitor?

Description : Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these

Last Answer : Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these

Direct method is used to measure

Last Answer : Direct method is used to measure Length.

To measure the flux, devices used are based on

Last Answer :  To measure the flux, devices used are based on Hall effect.

Which of the following instruments can be used to measure AC current only?

Description : Which of the following instruments can be used to measure AC current only? (a) Permanent Magnet Type ammeter(b) Induction type ammeter (c) Moving iron voltmeter(d) Moving iron ammeter

Last Answer : (b) Induction type ammeter

A Lissajous patterns are used to measure

Last Answer : A Lissajous patterns are used to measure Frequency and Phase shift.

To measure radio frequency, the suitable frequency meter is

Last Answer : To measure radio frequency, the suitable frequency meter is heterodoxy frequency meter.