Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Differential linear expansion Volumetric expansion Increase of pressure Increase of thermal conductivity Differential linear expansion Volumetric expansion Increase of pressure Increase of thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Highly fluctuating Overdamped Underdamped Critically damped Highly fluctuating Overdamped Underdamped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 1000 250 500 750 1000 250 500 750 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Critically damped None of these Stable Unstable Critically damped None of these Stable Unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Slower and non-oscillatory Faster and non-oscillatory Slower and oscillatory Faster and oscillatory Slower and non-oscillatory Faster and non-oscillatory Slower and oscillatory Faster and oscillatory ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by All of these Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum All of these Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS