For high accuracy the meter has

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For high accuracy the meter has Hand drawn scale.

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In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of

Description :  In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of 1% full scale reading, the percentage limiting error is   (A) 1.810% (B) 0.181% (C)12.45% (D) 0.0018%

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Last Answer : The repeat accuracy of an instrument can be judged from its standard deviation of error.

The electrostatic instruments can be used without serious loss of accuracy upto ......... frequency

Last Answer : The electrostatic instruments can be used without serious loss of accuracy upto 100kHz frequency.

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Description : A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when used in a circuit under a standard conditions. The maximum possible percentage error in the reading is:

Last Answer : A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when used in a circuit under a standard conditions. The maximum possible percentage error in the reading is:  2.0.

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A milliammeter, with a full scale deflection reading of 100 milliamps, is known to have an accuracy of + or - 2%. A meter reading of 10 milliamps would indicate a line current of between _____________. A. 9.8 and 10.0 milliamperes B. 9.8 and 10.2 milliamperes C. 8.0 and 12.0 milliamperes D. 8.0 and 10.0 milliamperes

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Description : A 200 V, 5 A d.c. energy meter is tested at its marked ratings. The resistance of the pressure circuit is 8000 Ω and that of current coil is 0.1 Ω. The power consumed when testing the meter with phantom loading with current circuit excited by a 6 V battery is (A) 2.5 W (B) 5 W (C) 32.5 W (D) 35 W

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An ideal meter should have

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In a moving iron meter, the deflecting torque is proportional to

Last Answer : In a moving iron meter, the deflecting torque is proportional to Square of the current through the coil.

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.

A moving coil instrument is used as an ohmmeter. The indicating scale of the meter will be

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It is desired to convert a 0-1000A meter movement, with an internal ...

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In an energy meter braking torque is produced to

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Various adjustments in an energy meter include

Last Answer :  Various adjustments in an energy meter include light load or friction, lag and creep, overload and voltage compensation.

Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to

Last Answer : Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to eliminate creeping at no load

To measure radio frequency, the suitable frequency meter is

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

In a dynamo-meter type of moving coil instrument a swamping resistance is provided in order to:

Last Answer : In a dynamo-meter type of moving coil instrument a swamping resistance is provided inorder to: Provide equal time constant for moving coil and fixed coil, when used for ac measurement

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A Weston frequency meter is?

Last Answer : A Weston frequency meter is moving iron instrument.

In a Weston frequency meter, the magnetic axes of the two fixed coils are?

Last Answer : In a Weston frequency meter, the magnetic axes of the two fixed coils are perpendicular.

In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of?

Last Answer : In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of 0.5 Hz.

In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at?

Last Answer : In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at 120°.

In a single phase power factor meter the phase difference between the currents in the two pressure coils is?

Last Answer : In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.

The two pressure coils of a single phase power factor meter have?

Last Answer : The two pressure coils of a single phase power factor meter have the same dimensions and the same number of turns.

A power factor meter has?

Last Answer : A power factor meter has one current circuit and two pressure circuits.

The adjustment of position of shading bands, in an energy meter is done to provide?

Last Answer : The adjustment of position of shading bands, in an energy meter is done to provide friction compensation.

The multiplier and the meter coil in a voltmeter are in?

Last Answer : The multiplier and the meter coil in a voltmeter are in series.

The household energy meter is?

Last Answer : The household energy meter is an integrating instrument.

An induction meter can handle current up to?

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A moving-coil permanent-magnet instrument can be used as flux-meter?

Last Answer : A moving-coil permanent-magnet instrument can be used as flux-meter by eliminating the control springs.

What type of meter is used to measure current?

Description : What type of meter is used to measure current?

Last Answer : Ammeter

What is the largest number in observable reality we know of with very high accuracy?

Description : What is the largest number in observable reality we know of with very high accuracy?

Last Answer : Grains of sand in a large bucket?

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Description : The rolling contact bearings as compared to sliding contact bearings have (a) small overall dimensions (b) accuracy of shaft alignment (c) low starting and low running friction except at very high speeds (d) all the mentioned

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By providing high level of assurance on audit reports on financial statements, the auditor a. Guarantees the fair presentation of the financial statements. b. Confirms the accuracy of the financial statements. c. Enhances the credibility of the financial statements. d. Assures the readers that fraudulent activities of employees have been detected.

Description : By providing high level of assurance on audit reports on financial statements, the auditor a. Guarantees the fair presentation of the financial statements. b. Confirms the accuracy of the ... financial statements. d. Assures the readers that fraudulent activities of employees have been detected.

Last Answer : Enhances the credibility of the financial statements.

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

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What type of synchro is used in systems requiring large amounts of power and a high degree of accuracy?

Description : What type of synchro is used in systems requiring large amounts of power and a high degree of accuracy?

Last Answer : A control synchro.

What is the difference between accuracy and precision?

Description : What is the difference between accuracy and precision?

Last Answer : Accuracy is the closeness of a measurement to the true or accepted value, while precision is the closeness of multiple measurements to each other.

Can a ring sizer have inconsistent accuracy?

Description : Can a ring sizer have inconsistent accuracy?

Last Answer : Well, a physical measure can be built incorrectly. I have at least on measuring cup which is incorrectly marked. It could also be used incorrectly. Otherwise, you might consider what you’re comparing it against.

Is the Spirit Level reliable when it comes ot accuracy?

Description : Is the Spirit Level reliable when it comes ot accuracy?

Last Answer : Yes, providing it hasn’t been abused.