Process Control and Instrumentation
Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury.

250
550
700
350

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
A magnetic flowmeter is

Based on the linear relationship between the fluid flow rate and the induced voltage
Capable of measuring the flow rate of slurries and electrolytes
All of these
Based on the principle of Faraday's law

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit

Undamped response
Unstable response
Overdamped response
Underdamped response

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Process Control and Instrumentation