Process Control and Instrumentation Pick out the one which is a first order instrument. Bare vapor pressure thermometer Bare metallic thermometer Mercury in glass thermometer (without any covering or air gap) All of these Bare vapor pressure thermometer Bare metallic thermometer Mercury in glass thermometer (without any covering or air gap) All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Iron-constantan Either A, B or C Chromel-alumel Platinum-platinum+rhodium Iron-constantan Either A, B or C Chromel-alumel Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram are generated from output response of the system subjected to which of the following input? Ramp Step Sinusoidal Impulse Ramp Step Sinusoidal Impulse ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Nitrogen in steel thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Nitrogen in steel thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Current Voltage Flux density Light intensity Current Voltage Flux density Light intensity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? Poor reproducibility High measuring lag High drift High fidelity Poor reproducibility High measuring lag High drift High fidelity ANSWER DOWNLOAD EXAMIANS APP