Process Control and Instrumentation Cascade control means Feed forward control On-off control More than one feed-back loop One feed-back loop Feed forward control On-off control More than one feed-back loop One feed-back loop 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. No change Exponential decrease Decrease Increase No change Exponential decrease Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Temperature changes Low loads Flow rate changes High loads Temperature changes Low loads Flow rate changes High loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A simple pitot tube measures the Static pressure Average velocity Maximum velocity Point velocity Static pressure Average velocity Maximum velocity Point velocity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively < 1.7 and < 30° > 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° < 1.7 and < 30° > 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The response of two tanks of same size and resistance in series is Critically damped None of these Over damped Under damped Critically damped None of these Over damped Under damped ANSWER DOWNLOAD EXAMIANS APP
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