Process Control and Instrumentation Which of the following is not a second order instrument? None of these Mercury in glass thermometer with covering Pressure gauge with one bellow, two tubes and a tank Bare mercury in glass thermometer None of these Mercury in glass thermometer with covering Pressure gauge with one bellow, two tubes and a tank Bare mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? Iron-constantan Platinum-platinum + rhodium All of these Chromel-constantan Iron-constantan Platinum-platinum + rhodium All of these Chromel-constantan 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. Exponential decrease Decrease Increase No change Exponential decrease Decrease Increase No change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of (time)⁻¹ Velocity Time None of these (time)⁻¹ Velocity Time None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 30° 180° 90° 120° 30° 180° 90° 120° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches 1 -1 ∞ 1 -1 ∞ ANSWER DOWNLOAD EXAMIANS APP