Process Control and Instrumentation

Helium gas constant volume thermometer is suitable for the measurement of a temperature of ______________ °C?

Byadmin March 5, 2019August 24, 2021

Helium gas constant volume thermometer is suitable for the measurement of a temperature of ______________ °C?

A. < 100
B. < 0
C. > 0
D. > 800

Process Control and Instrumentation

Liquid discharge from a tank or reservoir cannot be measured by __________________?

Liquid discharge from a tank or reservoir cannot be measured by __________________?

A. Orificemeter
B. Weirs
C. Mouthpieces
D. Notches

Read More Liquid discharge from a tank or reservoir cannot be measured by __________________?
Process Control and Instrumentation

Which of the systems having the following transfer function is stable ?

Which of the systems having the following transfer function is stable ?

A. 1/(S2 + 2)
B. 1/(S2 – 2S + 3)
C. 1/(S2 + 2S + 2)
D. exp (-20 S)/(S2 + 2S – 1)

Read More Which of the systems having the following transfer function is stable ?
Process Control and Instrumentation

The unit step response of the transfer function 1/(s2 + 2s + 3) _______________________?

The unit step response of the transfer function 1/(s2 + 2s + 3) _______________________?

A. Has a non-zero slope at the origin
B. Has a damped oscillatory characteristics
C. Is overdamped
D. Is unstable

Read More The unit step response of the transfer function 1/(s2 + 2s + 3) _______________________?
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

Continuous measurement of specific gravity of a liquid is done by __________________?

Continuous measurement of specific gravity of a liquid is done by __________________?

A. Hydrometer
B. Contact-type electric indicators
C. Displacement meter
D. Both A. and C.

Read More Continuous measurement of specific gravity of a liquid is done by __________________?
Process Control and Instrumentation

_______________ thermometer cannot measure sub-zero (< 0° C) temperature ?

_______________ thermometer cannot measure sub-zero (< 0° C) temperature ?

A. Mercury in glass
B. Bimetallic
C. Vapor pressure
D. Resistance

Read More _______________ thermometer cannot measure sub-zero (< 0° C) temperature ?