Process Control and Instrumentation The level of a liquid under pressure can be determined using Diaphragm box system Bubbler system Differential pressure manometer Air-trap system Diaphragm box system Bubbler system Differential pressure manometer Air-trap system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire. Increase Decrease No change Exponential decrease Increase Decrease No change Exponential decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Is overdamped Is unstable Has a non-zero slope at the origin Has a damped oscillatory characteristics Is overdamped Is unstable Has a non-zero slope at the origin Has a damped oscillatory characteristics ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is G/(1 + H) G/H H/G H(1 + G) G/(1 + H) G/H H/G H(1 + G) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Radiation pyrometer Thermocouple Bimetallic thermometer Mercury thermometer Radiation pyrometer Thermocouple Bimetallic thermometer Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Response of a linear control system for a change in set point is called Frequency response Regulator problem Servo problem Transient response Frequency response Regulator problem Servo problem Transient response ANSWER DOWNLOAD EXAMIANS APP
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