Process Control and Instrumentation

Which of the following thermocouples has the widest temperature measurement range ?

Byadmin March 5, 2019August 24, 2021

Which of the following thermocouples has the widest temperature measurement range ?

A. Iron-constantan
B. Chromel-alumel
C. Copper-constantan
D. Platinum-platinum/rhodium

Process Control and Instrumentation

Presence of a small amount of water in the organic systems can be determined by the _____________ method?

Presence of a small amount of water in the organic systems can be determined by the _____________ method?

A. Electrical conductivity
B. Polarimetry
C. Emission spectroscopy
D. Dielectric constant end loss factor

Read More Presence of a small amount of water in the organic systems can be determined by the _____________ method?
Process Control and Instrumentation

Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?

Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?

A. 961.93
B. 630.74
C. 1064.43
D. 1261.93

Read More Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?
Process Control and Instrumentation

The pressure sensing element of elastic type pressure gauge is never made in the form of a_________________?

The pressure sensing element of elastic type pressure gauge is never made in the form of a_________________?

A. Bellow
B. Diaphragm
C. Strip
D. Bourdon tube

Read More The pressure sensing element of elastic type pressure gauge is never made in the form of a_________________?
Process Control and Instrumentation

E.m.f. generated by thermocouples is of the order of ________________?

E.m.f. generated by thermocouples is of the order of ________________?

A. Milli volts
B. Micro volts
C. Volts
D. Kilo volts

Read More E.m.f. generated by thermocouples is of the order of ________________?
Process Control and Instrumentation

A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in_______________?

A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in_______________?

A. Light intensity
B. Current
C. Flux density
D. Voltage

Read More A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in_______________?
Process Control and Instrumentation

Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by__________________?

Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by__________________?

A. Filling nitrogen under pressure in the stem
B. Increasing the diameter of the tube
C. Using steel tube in place of glass tube
D. Accounting for the tube expansion

Read More Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by__________________?

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