Thermocouple instruments can be used for a frequency range upto

Thermocouple instruments can be used for a frequency range upto 

 (a) 100Hz (b) 5000 Hz (c) 1 MHz (d) 50 MHz and above 
by

1 Answer

Answer :

Thermocouple instruments can be used for a frequency range upto 50 MHz and above 

by

Related questions

Thermocouple is used to measure : -

Description : Thermocouple is used to measure : - a) AC b) DC c) Both d) None

Last Answer : Thermocouple is used to measure : - a) AC b) DC c) Both d) None

A true rms reading voltmeter uses two thermocouple in order: -

Description : A true rms reading voltmeter uses two thermocouple in order: -  a) to increase sensitivity b) that a second thermocouple cancels out the no linear effect of the first thermocouple c) to prevent drift in the dic. Amplifier d) all of the above

Last Answer : A true rms reading voltmeter uses two thermocouple in order: -  that a second thermocouple cancels out the no linear effect of the first thermocouple

The following thermocouple may be used for measuring temperature upto 1873°K. (A) Chromel-alumel (B) Copper-constantan (C) Platinum-platinum rhodium (D) Iron-constantan

Description : The following thermocouple may be used for measuring temperature upto 1873°K. (A) Chromel-alumel (B) Copper-constantan (C) Platinum-platinum rhodium (D) Iron-constantan

Last Answer : (C) Platinum-platinum rhodium

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.

Thermocouple instruments are also known as

Last Answer : Thermocouple instruments are also known as Rectifier instruments.

The thermocouple instruments do not have

Last Answer : The thermocouple instruments do not have High degree of measuring accuracy.

Loading effect is principally caused by instruments

Description : Loading effect is principally caused by instruments   (a) High resistance (b) Low sensitivity (c) High sensitivity (d) High range

Last Answer : B

The best and efficient damping in Analog instruments is : -

Description : The best and efficient damping in Analog instruments is : - a) Air Friction damping b) Fluid Friction damping c) Eddy Current damping d) None of the above

Last Answer : The best and efficient damping in Analog instruments is : - Eddy Current damping

What is the typical power range for thermocouple sensors?

Description : What is the typical power range for thermocouple sensors?

Last Answer : 0.1uW to 100mW

In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Description : In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Last Answer : Answer: A

Which one of the following frequency meter is suitable for measuring radio frequency?

Description : Which one of the following frequency meter is suitable for measuring radio frequency?   (a) Vibrating reed frequency meter (b) Weston frequency meter (c) Electrical resonance frequency meter (d) Heterodyne frequency meter 

Last Answer : Which one of the following frequency meter is suitable for measuring radio frequency?   (a) Vibrating reed frequency meter (b) Weston frequency meter (c) Electrical resonance frequency meter (d) Heterodyne frequency meter 

The input frequency is 50 Hz. The ripple frequency in a 12 phase full wave rectifier is

Description : The input frequency is 50 Hz. The ripple frequency in a 12 phase full wave rectifier is (A) 1200 Hz (B) 600 Hz (C) 100 Hz (D) 50 Hz 

Last Answer : The input frequency is 50 Hz. The ripple frequency in a 12 phase full wave rectifier is 1200 Hz

The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : -

Description : The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : - a) 225 MHz b) 1.06 MHz c) 10 KHz d) 10 MHz

Last Answer : The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : - 10 KHz

The modulation index of a FM Signal having modulating frequency 2 KHz and Max deviation is 10 KHz, is: -

Description : The modulation index of a FM Signal having modulating frequency 2 KHz and Max deviation is 10 KHz, is: -  a) 2 b) 5 c) 3 d) 4

Last Answer : The modulation index of a FM Signal having modulating frequency 2 KHz and Max deviation is 10 KHz, is: - 5

The effective resistance of a coil at high frequency is more than its de resistance on account of : -

Description :  The effective resistance of a coil at high frequency is more than its de resistance on account of : -  a) Skin effect b) Proximity effects c) Eddy current losses d) All the above

Last Answer :  The effective resistance of a coil at high frequency is more than its de resistance on account of : - All the above

The carrier waves used for the radio transmission have frequency upto A. 15 KHz B. 30 KHz C. 90 KHz D. 150 KHz

Description : The carrier waves used for the radio transmission have frequency upto A. 15 KHz B. 30 KHz C. 90 KHz D. 150 KHz

Last Answer : ANSWER: B

Prophylactic therapy of migraine: A. Is recommended in all cases B. Benefits upto 70% patients of moderate to severe migraine C. Needs to be continued lifelong without interruption D. Reduces the severity but increases the frequency of migraine attacks

Description : Prophylactic therapy of migraine: A. Is recommended in all cases B. Benefits upto 70% patients of moderate to severe migraine C. Needs to be continued lifelong without interruption D. Reduces the severity but increases the frequency of migraine attacks

Last Answer : B. Benefits upto 70% patients of moderate to severe migraine

Current range extension in moving coil instruments can be achieved by placing a ___ in shunt with the instrument.

Description : Current range extension in moving coil instruments can be achieved by placing a ___ in shunt with the instrument.

Last Answer : low resistance resistor

Define: i) Range ii) Span of instruments

Description : Define: i) Range ii) Span of instruments

Last Answer : i) Range: It is defined as the difference between Greatest and Smallest value of the data or reading of the instrument.  ii) Span: It is defined as the algebraic difference between the upper and lower range values

Instruments transformers are used on a.c. circuits for extending the range of

Description : Instruments transformers are used on a.c. circuits for extending the range of (a) ammeters (b) voltmeters (c) wattmeters (d) all of these 

Last Answer : is the load PF is 0.866 then the average PF of the VV bank is

state properties that makes thermocouple very sensitive?

Description : state properties that makes thermocouple very sensitive?

Last Answer : it measures temperatures between -250 and 1600 degree and it can measure a wider range of temperatures

What is Thermocouple ?

Description : What is Thermocouple ?

Last Answer : : Thermocouple is a metalic bar that can be used to measure the temperature of a place. Thermocouple is an analog sensor. It is used to measure temperature. In thermocouples thermo or tharmal means ... has two terminals, one positive and the other negative. It is measured in meter voltage mode.

Thermocouple What ?

Description : Thermocouple How It is Work By ?

Last Answer : Thermocouple A metalic bar , whose With the help No Of space Temperature Measurement To do Goes Thermocouple a _ Analog Sensor This is it Temperature Measurement To do At work Use Is . ???? ... _ Two Terminal Stays A Positive And The other Negative. This Meters Voltage Mode To measure Is.

What is the energy conversion for a thermocouple?

Description : What is the energy conversion for a thermocouple?

Last Answer : A thermocouple uses the thermoelectric effect to do what it does. Thermal energy (heat) is converted into a difference of potential, which is electric (electromagnetic) energy.

The instrument used to regulate temperature to a particular degree is called : (1) Thermostat (2) Thermometer (3) Pyrometer (4) Thermocouple

Description : The instrument used to regulate temperature to a particular degree is called : (1) Thermostat (2) Thermometer (3) Pyrometer (4) Thermocouple

Last Answer : (1) Thermostat Explanation: A thermostat is a component which senses the temperature of a system so that the system's temperature is maintained near a desired set point. At its core, a thermostat is simply the controls used to regulate temperature in a heating system.

Conversion of heat into electrical er is achieved by using – (1) Ammeter (2) Hydrometer (3) Voltmeter (4) Thermocouple

Description : Conversion of heat into electrical er is achieved by using – (1) Ammeter (2) Hydrometer (3) Voltmeter (4) Thermocouple

Last Answer : (4) Thermocouple Explanation: Thermoelectric generators convert thermal energy into electricity by using heat from the body - or any object with a temperature gradient - as their energy source. ... energy into electricity. Bismuth telluride and its alloys are commonly used in thermocouples.

The sensor connected to 'signal conditioner' (6000F125) shown in the illustration is a/an ______________. EL-0094 A. thermocouple B. transducer C. inverter D. RTD

Description : The sensor connected to 'signal conditioner' (6000F125) shown in the illustration is a/an ______________. EL-0094 A. thermocouple B. transducer C. inverter D. RTD

Last Answer : Answer: B

The sensor connected to 'signal conditioner' (6000AH170) shown in the illustration is a/an _____________. EL-0094 A. thermocouple B. transducer C. inverter D. RTD

Description : The sensor connected to 'signal conditioner' (6000AH170) shown in the illustration is a/an _____________. EL-0094 A. thermocouple B. transducer C. inverter D. RTD

Last Answer : Answer: A

The sensor connected to 'signal conditioner' (6000F085) shown in the illustration is a/an ______________. EL-0094 A. thermocouple B. transducer C. inverter D. RTD

Description : The sensor connected to 'signal conditioner' (6000F085) shown in the illustration is a/an ______________. EL-0094 A. thermocouple B. transducer C. inverter D. RTD

Last Answer : Answer: D

Which sensor shown in the illustration develops its own conditioning and point setting and 'reports' directly to the 'annunciator'? EL-0094 A. Transducer B. Resistance Temperature Detector (RTD) C. Pressure Switch D. Thermocouple

Description : Which sensor shown in the illustration develops its own conditioning and point setting and 'reports' directly to the 'annunciator'? EL-0094 A. Transducer B. Resistance Temperature Detector (RTD) C. Pressure Switch D. Thermocouple

Last Answer : Answer: C

Which of the following devices should be used to measure the temperature of a battery electrolyte? A. Mercury thermometer B. Alcohol thermometer C. Thermocouple pyrometer D. Potentiometer

Description : Which of the following devices should be used to measure the temperature of a battery electrolyte? A. Mercury thermometer B. Alcohol thermometer C. Thermocouple pyrometer D. Potentiometer

Last Answer : Answer: B

Thermocouple is suitable for measuring (A) Liquid temperatures only (B) Very high temperatures only (C) Very low temperatures only (D) Both high and low temperatures

Description : Thermocouple is suitable for measuring (A) Liquid temperatures only (B) Very high temperatures only (C) Very low temperatures only (D) Both high and low temperatures

Last Answer : (D) Both high and low temperatures

When a bare thermocouple is covered by a protective sheath, the response becomes (A) Faster and oscillatory (B) Faster and non-oscillatory (C) Slower and oscillatory (D) Slower and non-oscillatory

Description : When a bare thermocouple is covered by a protective sheath, the response becomes (A) Faster and oscillatory (B) Faster and non-oscillatory (C) Slower and oscillatory (D) Slower and non-oscillatory

Last Answer : (D) Slower and non-oscillatory

An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called(A) Constantan(B) Kanthal(C) Chromel(D) German silver

Description : An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called (A) Constantan (B) Kanthal (C) Chromel (D) German silver

Last Answer : (A) Constantan

What is the equation for resistance measurement of PT 100 thermocouple?

Description : What is the equation for resistance measurement of PT 100 thermocouple? 

Last Answer : °C = (R-100) / 0.39  

State some thermocouple.

Description : State some thermocouple. 

Last Answer : Copper – constantan, Iron – constantan.  

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

Pressure is measured with the help of A. Manometer. C) Thermocouple. B. Ammeter. D) Orifice plate.

Description : Pressure is measured with the help of A. Manometer. C) Thermocouple. B. Ammeter. D) Orifice plate.

Last Answer : manometer

What device measures infrared radiation below?  a. thermocouple  b. thermopile  c. thermodynamic device  d. thermos

Description : What device measures infrared radiation below?  a. thermocouple  b. thermopile  c. thermodynamic device  d. thermos

Last Answer : thermopile

Thermocouple is used to measure a) AC b) DC c) Both d) None

Description : Thermocouple is used to measure a) AC b) DC c) Both d) None

Last Answer : Ans: Both

A _______ is used to measure the stator % winding temperature of the generator. (a) thermocouple (b) pyrometer (c) resistance thermometer (d) thermometer

Description : A _______ is used to measure the stator % winding temperature of the generator. (a) thermocouple (b) pyrometer (c) resistance thermometer (d) thermometer

Last Answer : (c) resistance thermometer

To protect most of the electrical equipment handling low power, the types of relays used are (a) thermocouple (b) electronic and bimetallic (c) both (a) and (b) (d) none of the above

Description : To protect most of the electrical equipment handling low power, the types of relays used are (a) thermocouple (b) electronic and bimetallic (c) both (a) and (b) (d) none of the above

Last Answer : (c) both (a) and (b)

A thermocouple is a device that produces voltage by what method?

Description : A thermocouple is a device that produces voltage by what method?

Last Answer : Heat.

The output voltage of a thermocouple

Description : The output voltage of a thermocouple

Last Answer : increases with temperature

A thermocouple is used to measure w) pressure x) current y) strain z) temperature

Description : A thermocouple is used to measure w) pressure x) current y) strain z) temperature

Last Answer : ANSWER: Z -- TEMPERATURE  

Name the material used and the sensitivity of following thermocouple type: (i) J (ii) K (iii) R (iv) S

Description : Name the material used and the sensitivity of following thermocouple type: (i) J (ii) K (iii) R (iv) S

Last Answer : Material used and the sensitivity of following thermocouple:

Conversion of heat into electrical er is achieved by using : (1) Ammeter (2) Hydrometer (3) Voltmeter (4) Thermocouple

Description : Conversion of heat into electrical er is achieved by using : (1) Ammeter (2) Hydrometer (3) Voltmeter (4) Thermocouple

Last Answer : Thermocouple

Compare thermistor and thermocouple.

Description : Compare thermistor and thermocouple.

Last Answer : Sr.No. Parameter Thermistor Thermocouple 1 Materials Metal oxides Two dissimilar metals 2 Response Nonlinear Linear 3 Range of temperature -1500C ... passive Passive active 6 Transduction principle Resistive transducer Thermo electric effect

State seeback effect. Describe the working of thermocouple.

Description : State seeback effect. Describe the working of thermocouple.

Last Answer : Seebeck effect: Seebeck effect states that whenever two dissimilar metals are connected together to form two junctions out of which, one junction is subjected to high temperature and another is subjected to ... both the junctions a very low emf is produced which causes a current in the circuit.