Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Multiple helix Bourdon tube Flat spiral Single helix Multiple helix Bourdon tube Flat spiral Single helix ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Large damping co-efficient means smaller damping Overshoot increases for increasing damping co-efficient Decay ratio = overshoot Decay ratio = (overshoot)² Large damping co-efficient means smaller damping Overshoot increases for increasing damping co-efficient Decay ratio = overshoot Decay ratio = (overshoot)² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Reduce measuring lag Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Reduce measuring lag Increase the fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Is more affected by corrosive atmosphere Can measure higher temperature Can't measure the temperature of moving objects Has a slower speed of response Is more affected by corrosive atmosphere Can measure higher temperature Can't measure the temperature of moving objects Has a slower speed of response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Neither A nor B Here Boiling Both A & B Here Melting Neither A nor B Here Boiling Both A & B Here Melting 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 Increase Exponential decrease Decrease No change Increase Exponential decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
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