Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) nRT/V V/nRT p/nRT nRT/P nRT/V V/nRT p/nRT nRT/P 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 Mercury in glass thermometer Vapor pressure thermometer Radiation pyrometer Platinum resistance thermometer Mercury in glass thermometer Vapor pressure thermometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale. Reaumer Kelvin Fahrenheit Centigrade Reaumer Kelvin Fahrenheit Centigrade ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. -10 -20 20 10 -10 -20 20 10 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The response of two tanks of same size and resistance in series is Under damped Critically damped None of these Over damped Under damped Critically damped None of these Over damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability None of these Nyquist Bode stability Routh stability None of these Nyquist Bode stability ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS