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 Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube Filling nitrogen under pressure in the stem ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bolometer is Neither A nor B Here An element which senses optical input and delivers thermal output Used for the measurement of thermal radiation Both A & B Here Neither A nor B Here An element which senses optical input and delivers thermal output Used for the measurement of thermal radiation Both A & B Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly Parabolic Linear Non-linear Hyperbolic Parabolic Linear Non-linear Hyperbolic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following controllers has maximum offset? P-controller P-I-D controller P-I controller P-D controller P-controller P-I-D controller P-I controller P-D controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/12 5π/12 π/3 π/6 π/12 5π/12 π/3 π/6 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Radiation pyrometer Specially designed thermocouple Optical pyrometer None of these Here Radiation pyrometer Specially designed thermocouple Optical pyrometer None of these Here ANSWER DOWNLOAD EXAMIANS APP
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