Process Control and Instrumentation Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a Magnetic flowmeter Pitot tube Turbine flowmeter Flow nozzle type flowmeter Magnetic flowmeter Pitot tube Turbine flowmeter Flow nozzle type flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a Mercury thermometer Beckman thermometer Bimetallic thermometer Dilatometer Mercury thermometer Beckman thermometer Bimetallic thermometer Dilatometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential. Inversely proportional to the square of Proportional to Inversely proportional to the square root of Proportional to the square root of Inversely proportional to the square of Proportional to Inversely proportional to the square root of Proportional to the square root of ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 π/12 π/6 5π/12 π/3 π/12 π/6 5π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Critically damped Unstable None of these Stable Critically damped Unstable None of these Stable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ thermometer can not measure sub-zero (< 0° C) temperature, Mercury in glass Vapor pressure Resistance Bimetallic Mercury in glass Vapor pressure Resistance Bimetallic ANSWER DOWNLOAD EXAMIANS APP
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