Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Water Ethylene glycol Carbon tetrachloride Paraffin Water Ethylene glycol Carbon tetrachloride Paraffin 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 D² D D³ D⁴ D² D D³ D⁴ 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 Optical pyrometer Thermocouple Bimetallic thermometer Platinum resistance thermometer Optical pyrometer Thermocouple Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 400-1600 800-1600 400-1000 800-2500 400-1600 800-1600 400-1000 800-2500 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³. 50 1 100 10 50 1 100 10 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Configuration of Bourdon spring tube is never made of __________ shape. Semi-circular Spiral Helical Circular Semi-circular Spiral Helical Circular ANSWER DOWNLOAD EXAMIANS APP