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Process Control And Instrumentation MCQs: 88 Questions & Answers in Engineering

88 Process Control And Instrumentation MCQs in Engineering with answers & explanations. Practice objective questions for competitive exams, interviews & self… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Process Control And Instrumentation MCQs: 88 Questions & Answers in Engineering

Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Which of the following is not classified as a thermo electric pyrometer?

The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

__________ are analysed using a polarograph.

__________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point'.

Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.

Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an

Response of a linear control system for a change in set point is called

Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

Which of the following measurements can be made by the measurement of emf?

Conversion formula for converting amplitude ratio (AR) into decibels is

Dead zone is the

A typical example of a physical system with under damped characteristic is a

Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

Dilatometer is used to measure

Turbine flow meters are suitable for

Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.

What is the Laplace transform of impulse input having magnitude 'X'?

Compositional analysis of __________ is done using mass spectrometer.

Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C.

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