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 Using steel tube in place of glass tube Accounting for the tube expansion Increasing the diameter of the tube Filling nitrogen under pressure in the stem Using steel tube in place of glass tube Accounting for the tube expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D³ D⁴ D² D D³ D⁴ D² D ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in an open channel can not be measured by a/an Cipolletti weir Rectangular weir V-notch Orifice meter Cipolletti weir Rectangular weir V-notch Orifice meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stability of a control system containing a transportation lag can be best analysed by Root locus methods None of these Frequency response methods Routh test Root locus methods None of these Frequency response methods Routh test ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon gauges are used for measuring pressure (kg/cm² ) > 2 (gauge) < 2 (gauge) > 10 (absolute) < atmospheric > 2 (gauge) < 2 (gauge) > 10 (absolute) < atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Meleoid gauge measures the __________ pressure. Atmospheric Very high Sub-atmospheric Positive Atmospheric Very high Sub-atmospheric Positive ANSWER DOWNLOAD EXAMIANS APP
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