Process Control and Instrumentation Which of the systems having following transfer functions is stable? Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s² + 2s + 2) 1/(s²-2s + 3) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 800-1600 400-1600 400-1000 800-2500 800-1600 400-1600 400-1000 800-2500 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Introducing integral control Reducing value of Kc Introducing derivative control None of these Introducing integral control Reducing value of Kc Introducing derivative control None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Deflection Strain Contraction/expansion due to changes in temperature Stress Deflection Strain Contraction/expansion due to changes in temperature Stress ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. Pointer None of these Bulb Bourdon tube Pointer None of these Bulb Bourdon tube 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 Decrease Increase Exponential decrease No change Decrease Increase Exponential decrease ANSWER DOWNLOAD EXAMIANS APP
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