Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High drift High fidelity Poor reproducibility High measuring lag High drift High fidelity Poor reproducibility High measuring lag 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 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 Filling nitrogen under pressure in the stem Increasing the diameter of the tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is 2 43832 1 2 43832 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Rotameter Hot wire anemometer Venturimeter Pitot tube Rotameter Hot wire anemometer Venturimeter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gain margin is equal to the Gain in P-I controller Gain in P controller Amplitude ratio Reciprocal of amplitude ratio Gain in P-I controller Gain in P controller Amplitude ratio Reciprocal of amplitude ratio ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Oxygen and sulphur (B.P) Antimony and silver (F.P) Ice (F.P) and steam (B.P) Zinc (B.P) and mercury (F.P) Oxygen and sulphur (B.P) Antimony and silver (F.P) Ice (F.P) and steam (B.P) Zinc (B.P) and mercury (F.P) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS