Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is 45° -90° -180° -45° 45° -90° -180° -45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Starting temperature of optical radiation pyrometer is __________ °C. 800 400 1500 1200 800 400 1500 1200 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Slower and oscillatory Faster and non-oscillatory Faster and oscillatory Slower and non-oscillatory Slower and oscillatory Faster and non-oscillatory Faster and oscillatory Slower and non-oscillatory ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Platinum-platinum/rhodium Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum/rhodium Chromel-alumel Iron-constantan Copper-constantan 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. Exponential decrease Decrease No change Increase Exponential decrease Decrease No change Increase ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in a small channel is best measured by a/an Vane meter Venturimeter Pitot tube Weir Vane meter Venturimeter Pitot tube Weir ANSWER DOWNLOAD EXAMIANS APP
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