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

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

1 Answer

Answer :

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

by

Related questions

.If we narrow the distance between two slits in Young’s experiment the fringes width __________. A. Increases B. Decreases C. Remains same D. becomes zero

Description : .If we narrow the distance between two slits in Young’s experiment the fringes width __________. A. Increases B. Decreases C. Remains same D. becomes zero

Last Answer : B. Decreases

.Fringe spacing is defined as the distance between two Consecutive __________. A. Crests B. Bright fringes only C. Dark fringes only D. Bright or dark fringes

Description : .Fringe spacing is defined as the distance between two Consecutive __________. A. Crests B. Bright fringes only C. Dark fringes only D. Bright or dark fringes

Last Answer : A. Crests

In reflected light the central fringes of Newton's ring is A. dark B. Bright C. Uniform D. Non uniform

Description : In reflected light the central fringes of Newton's ring is A. dark B. Bright C. Uniform D. Non uniform

Last Answer : A. dark

In Michelson ‘s interferometer 100 fringes cross the field view when the movable mirror is displaced through 0.0248 mm. Calculate the wavelength of monochromatic light used A. 5896 A 0 B.5890 A 0 C.4000 A 0 D. 4890 A 0

Description : In Michelson ‘s interferometer 100 fringes cross the field view when the movable mirror is displaced through 0.0248 mm. Calculate the wavelength of monochromatic light used A. 5896 A 0 B.5890 A 0 C.4000 A 0 D. 4890 A 0

Last Answer : B.5890

_____ instruments are those which measure the total quantity of electricity delivered in a particular time.

Last Answer : Integrating instruments are those which measure the total quantity of electricity delivered in a particular time.

The ratio of maximum displacement deviation to full scale deviation of the instrument is called?

Description : The ratio of maximum displacement deviation to full scale deviation of the instrument is called?

Last Answer : The ratio of maximum displacement deviation to full scale deviation of the instrument is called linearity.

The displacement of a particle under going rectilinear motion along the x-axis is given by x = 2t3 + 21t2 + 60t + 6 metres. a.27 m/s2 b.18 m/s2 c.36 m/s2 d.9 m/s2 e.107 dynes

Description : The displacement of a particle under going rectilinear motion along the x-axis is given by x = 2t3 + 21t2 + 60t + 6 metres. a.27 m/s2 b.18 m/s2 c.36 m/s2 d.9 m/s2 e.107 dynes

Last Answer : d. 9 m/s2

Pick up the correct statement from the following (A) 1 second of arc corresponds to a displacement ratio of 1:206, 300 (B) 1 degree of arc corresponds to a displacement ratio of 1:57(C) The angular errors tend to propagate themselves along a traverse as the square root of the number of stations (D) All the above

Description : Pick up the correct statement from the following (A) 1 second of arc corresponds to a displacement ratio of 1:206, 300 (B) 1 degree of arc corresponds to a displacement ratio of 1:57 (C) ... to propagate themselves along a traverse as the square root of the number of stations (D) All the above

Last Answer : (D) All the above

A seismometer is a device used to measure the ___________ of a vibrating body. (A) displacement (B) velocity (C) acceleration (D) all of the above

Description : A seismometer is a device used to measure the ___________ of a vibrating body. (A) displacement (B) velocity (C) acceleration (D) all of the above

Last Answer : (A) displacement

A seismometer is a device used to measure the ___________ of a vibrating body. (A) displacement (B) velocity (C) acceleration (D) all of the above

Description : A seismometer is a device used to measure the ___________ of a vibrating body. (A) displacement (B) velocity (C) acceleration (D) all of the above

Last Answer : (A) displacement

The instruments which are used to measure the ___________ of a vibrating body are called vibration measuring instrument. (A) displacement (B) velocity (C) acceleration (D) all of the above

Description : The instruments which are used to measure the ___________ of a vibrating body are called vibration measuring instrument. (A) displacement (B) velocity (C) acceleration (D) all of the above

Last Answer : (D) all of the above

When H is the flight height, R is the appropriate radial measure and d is the relief displacement, the vertical height of an object appearing on an aerial photograph is

Description : When H is the flight height, R is the appropriate radial measure and d is the relief displacement, the vertical height of an object appearing on an aerial photograph is

Last Answer : dH/R

The knot is a nautical measure of: w) length x) speed y) acceleration z) displacement

Description : The knot is a nautical measure of: w) length x) speed y) acceleration z) displacement

Last Answer : ANSWER: X -- SPEED

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

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

A measure of the reproducibility of measurement is known as

Last Answer : A measure of the reproducibility of measurement is known as Precision.

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.

Loss of charge method is used to measure:

Last Answer : Loss of charge method is used to measure: High R

A ballistic galvanometer is used to measure:

Last Answer : A ballistic galvanometer is used to measure: Charge

Maxwell-Wien bridge is used to measure

Last Answer : Maxwell-Wien bridge is used to measure Inductance.

Anderson Bridge is used to measure:

Last Answer : Anderson Bridge is used to measure: L.

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that...

Description : To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken?

Last Answer : To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken from the same source as the unknown voltage.

To measure a resistance with the help of a potentiometer it is?

Last Answer : To measure a resistance with the help of a potentiometer it is not necessary to standardise the potentiometer.

It is required to measure the true open circuit e.m.f. of a battery. The best device is?

Last Answer : It is required to measure the true open circuit e.m.f. of a battery. The best device is D.C. potentiometer.

Induction type single phase energy meters measure electric energy in?

Last Answer : Induction type single phase energy meters measure electric energy in kWh.

Which instruments are those which measure the total quantity of electricity delivered in a particular time?

Last Answer : Integrating instruments are those which measure the total quantity of electricity delivered in a particular time.

What is the unit of measure for voltage?

Description : What is the unit of measure for voltage?

Last Answer : Voltage measured in volts.

What type of meter is used to measure current?

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

Last Answer : Ammeter

What equipment is used to measure voltage?

Description : What equipment is used to measure voltage?

Last Answer : Voltmeter is used to measure voltage.

can ammeter measure ac?

Last Answer : Yes it can...

can voltmeter measure resistance?

Last Answer : Voltmeter is used to measure voltage in a circuit.Ohmmeter is used to measure the resistance of a component in a circuit.

In a standard multimeter for measuring AC voltage, parameter of _____ voltage is measured

Description : In a standard multimeter for measuring AC voltage, parameter of _____ voltage is measured

Last Answer : In a standard multimeter for measuring AC voltage, parameter of RMS voltage is measured

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.

The use of _____ instruments is merely confined within laboratories as standardising instruments.

Description : The use of _____ instruments is merely confined within laboratories as standardising instruments.

Last Answer : The use of absolute instruments is merely confined within laboratories as standardizing instruments.

Over the past decade or so, indicators have come to be widely used along with income as a measure of development? a. Health and nutrition b. health and education c. Child development d. Human development

Description : Over the past decade or so, indicators have come to be widely used along with income as a measure of development? a. Health and nutrition b. health and education c. Child development d. Human development

Last Answer : d. Human development

Over the past decade or so, indicators have come to be widely used along with income as a measure of development? a. Health and nutrition b. health and education c. Child development d. Human development

Description : Over the past decade or so, indicators have come to be widely used along with income as a measure of development? a. Health and nutrition b. health and education c. Child development d. Human development

Last Answer : d. Human development

The bones of the limbs along with their girdles constitute the _____

Description : The bones of the limbs along with their girdles constitute the _____

Last Answer : The bones of the limbs along with their girdles constitute the _____