Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Mercury in glass thermometer None of these Vapor pressure thermometer Resistance thermometer Mercury in glass thermometer None of these Vapor pressure thermometer Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Second order system (overdamped) First order system Second order system (underdamped) Multiple first order system Second order system (overdamped) First order system Second order system (underdamped) Multiple first order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Contraction/expansion due to changes in temperature Strain Stress Deflection Contraction/expansion due to changes in temperature Strain Stress Deflection ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of Time (time)⁻¹ Velocity None of these Time (time)⁻¹ Velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Kc is increased Integral control action is introduced Derivative control action is introduced Kc is reduced Kc is increased Integral control action is introduced Derivative control action is introduced Kc is reduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change ANSWER DOWNLOAD EXAMIANS APP
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