Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be None of these Over damped Critically damped Under damped None of these Over damped Critically damped Under damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Volumetric expansion Differential linear expansion Increase of thermal conductivity Increase of pressure Volumetric expansion Differential linear expansion Increase of thermal conductivity Increase of pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Temperature compensating Both B & C Voltage measuring Temperature measuring Temperature compensating Both B & C Voltage measuring Temperature measuring ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Derivative control action is introduced Kc is increased Integral control action is introduced Kc is reduced Derivative control action is introduced Kc is increased Integral control action is introduced Kc is reduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following measurements can be made by the measurement of emf? Composition of complex ions All of these Degree of hydrolysis PH value Composition of complex ions All of these Degree of hydrolysis PH value 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. 250 350 700 550 250 350 700 550 ANSWER DOWNLOAD EXAMIANS APP