The initial value (t = 0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is__________________?

Byadmin March 5, 2019August 24, 2021

The initial value (t = 0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is__________________?

A. 0
B. ½
C. 1
D. 2

Process Control and Instrumentation

In Bode plot, φ vs. ω is plotted on a/an ______________ graph paper?

In Bode plot, φ vs. ω is plotted on a/an ______________ graph paper?

A. log-log
B. Ordinary
C. Semi-log
D. Triangular

Read More In Bode plot, φ vs. ω is plotted on a/an ______________ graph paper?
Process Control and Instrumentation

The calibration data of a thermocouple with its cold junction at 0°C are given below. The hot junction of the thermocouple is placed in a bath at 80°C, while its cold junction is at 20°C. What is the emf of thermocouple ?

The calibration data of a thermocouple with its cold junction at 0°C are given below. The hot junction of the thermocouple is placed in a bath at 80°C, while its cold junction is at 20°C. What is the emf of thermocouple ?

A. 3.26 mv
B. 0.80 mv
C. 2.46 mv
D. 2.43 mv

Read More The calibration data of a thermocouple with its cold junction at 0°C are given below. The hot junction of the thermocouple is placed in a bath at 80°C, while its cold junction is at 20°C. What is the emf of thermocouple ?
Process Control and Instrumentation

Thermal well made of _____________ gives the fastest speed of response, while measuring temperature by thermocouples?

Thermal well made of _____________ gives the fastest speed of response, while measuring temperature by thermocouples?

A. Steel
B. Vycor (a glass)
C. Nichrome
D. Inconel

Read More Thermal well made of _____________ gives the fastest speed of response, while measuring temperature by thermocouples?
Process Control and Instrumentation

Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

A. Increase of pressure
B. Increase of thermal conductivity
C. Volumetric expansion
D. Differential linear expansion

Read More Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?
Process Control and Instrumentation

Measurement of sub-zero Celsius temperature in industry is done most commonly by __________________?

Measurement of sub-zero Celsius temperature in industry is done most commonly by __________________?

A. Thermocouples
B. Resistance thermometers
C. Gas thermometers
D. Bi-metallic thermometers

Read More Measurement of sub-zero Celsius temperature in industry is done most commonly by __________________?
Process Control and Instrumentation

Smoke density of the flue gas going out of the chimney is measured by a __________________?

Smoke density of the flue gas going out of the chimney is measured by a __________________?

A. Polarograph
B. Thermal conductivity meter
C. Photo electric cell
D. Chromatograph

Read More Smoke density of the flue gas going out of the chimney is measured by a __________________?

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