Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of pressure Differential linear expansion Volumetric expansion Increase of thermal conductivity Increase of pressure Differential linear expansion Volumetric expansion Increase of thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is 12 36 68 54 12 36 68 54 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 Filling nitrogen under pressure in the stem Increasing the diameter of the tube Accounting for the tube expansion Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Increasing the diameter of the tube Accounting for the tube expansion Using steel tube in place of glass tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture in paper is done by Weighing High resistance Wheatstone's bridge circuit Sling psychrometer Hair-hygrometer Weighing High resistance Wheatstone's bridge circuit Sling psychrometer Hair-hygrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional-integral (PI) controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional controller Proportional-integral (PI) controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following themocouple wire insulating material, the highest temperature rating is for Asbestos Fibre glass Ceramic fibre Teflon Asbestos Fibre glass Ceramic fibre Teflon ANSWER DOWNLOAD EXAMIANS APP
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