Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Photo-electric pyrometer Radiation pyrometer Platinum resistance thermometer Thermocouple Photo-electric pyrometer Radiation pyrometer Platinum resistance thermometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stroboscope is used for the measurement of Rpm of a flywheel Liquid level under pressure Depression of freezing point Frequency of light Rpm of a flywheel Liquid level under pressure Depression of freezing point Frequency of light ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Very thick walls High transmissivity of radiation Low emissivity Polished surface Very thick walls High transmissivity of radiation Low emissivity Polished surface ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Stable Unstable Critically damped None of these Stable Unstable Critically damped None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a non-zero slope at the origin Has a damped oscillatory characteristics Is unstable Is overdamped Has a non-zero slope at the origin Has a damped oscillatory characteristics Is unstable Is overdamped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same Speed of response All of these Accuracy (± 1% of span) Temperature measuring range (- 40°C to 450°C) Speed of response All of these Accuracy (± 1% of span) Temperature measuring range (- 40°C to 450°C) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS