Process Control and Instrumentation Gain margin is equal to the Reciprocal of amplitude ratio Gain in P controller Gain in P-I controller Amplitude ratio Reciprocal of amplitude ratio Gain in P controller Gain in P-I controller Amplitude ratio ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Both B and C Here Rusting of iron takes place Embrittlement of iron occurs Emf produced is very low of the order of microvolt Both B and C Here Rusting of iron takes place Embrittlement of iron occurs Emf produced is very low of the order of microvolt 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. No change Exponential decrease Increase Decrease No change Exponential decrease Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The level of a liquid under pressure can be determined using Air-trap system Differential pressure manometer Bubbler system Diaphragm box system Air-trap system Differential pressure manometer Bubbler system Diaphragm box system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The pressure sensing element of elastic type pressure gauge is never made in the form of a Bellow Strip Diaphragm Bourdon tube Bellow Strip Diaphragm Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture in paper is done by Sling psychrometer Weighing Hair-hygrometer High resistance Wheatstone's bridge circuit Sling psychrometer Weighing Hair-hygrometer High resistance Wheatstone's bridge circuit ANSWER DOWNLOAD EXAMIANS APP