Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Vapor pressure Constant volume gas Mercury in glass Bimetallic Vapor pressure Constant volume gas Mercury in glass Bimetallic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Static error Reproducibility Time lag Dead zone Static error Reproducibility Time lag Dead zone ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Critically damped Underdamped Overdamped Highly fluctuating Critically damped Underdamped Overdamped Highly fluctuating ANSWER DOWNLOAD EXAMIANS APP
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. 700 350 550 250 700 350 550 250 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system? < 1 >1 1 None of these < 1 >1 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Faster and non-oscillatory Slower and oscillatory Slower and non-oscillatory Faster and oscillatory Faster and non-oscillatory Slower and oscillatory Slower and non-oscillatory Faster and oscillatory ANSWER DOWNLOAD EXAMIANS APP