Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 120° Approaches 180° asymptotically Is 90° at the most Is 30° Is 120° Approaches 180° asymptotically Is 90° at the most Is 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a All of these High thermal conductivity Small specific heat Large area but small mass All of these High thermal conductivity Small specific heat Large area but small mass ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Platinum resistance thermometer Vapor pressure thermometer Radiation pyrometer Mercury in glass thermometer Platinum resistance thermometer Vapor pressure thermometer Radiation pyrometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the Heat flow rate Temperature difference None of these Heat content in the system Heat flow rate Temperature difference None of these Heat content in the system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Second order system (underdamped) Second order system (overdamped) First order system Multiple first order system Second order system (underdamped) Second order system (overdamped) First order system Multiple first order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Highly fluctuating Overdamped Underdamped Critically damped Highly fluctuating Overdamped Underdamped Critically damped ANSWER DOWNLOAD EXAMIANS APP