Process Control and Instrumentation Response of a system to a sinusoidal input is called __________ response. Unit step Frequency None of these Impluse Unit step Frequency None of these Impluse ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Mercury thermometer Radiation pyrometer Bimetallic thermometer None of these Mercury thermometer Radiation pyrometer Bimetallic thermometer None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Flat spiral Multiple helix Single helix Bourdon tube Flat spiral Multiple helix Single helix Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Platinum resistance thermometer Thermocouple Optical pyrometer Bimetallic thermometer Platinum resistance thermometer Thermocouple Optical pyrometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Increasing the diameter of the tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Using steel tube in place of glass tube Increasing the diameter of the tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Using steel tube in place of glass tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Difference between cold junction and atmospheric temperature Of hot junction only Difference between hot and cold junctions Of cold junction only Difference between cold junction and atmospheric temperature Of hot junction only Difference between hot and cold junctions Of cold junction only ANSWER DOWNLOAD EXAMIANS APP
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