Process Control and Instrumentation Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an Chromel-alumel thermocouple Radiation pyrometer Either B or C Optical pyrometer Chromel-alumel thermocouple Radiation pyrometer Either B or C Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage pressure transducers are used to measure __________ pressures. Gage as well as vacuum Both A & B Here Absolute as well as differential Neither A nor B Gage as well as vacuum Both A & B Here Absolute as well as differential Neither A nor B 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? Ice (F.P) and steam (B.P) Oxygen and sulphur (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Ice (F.P) and steam (B.P) Oxygen and sulphur (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is 54 36 68 12 54 36 68 12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Copper-constantan Iron-constantan Platinum-platinum + rhodium Chromel-alumel Copper-constantan Iron-constantan Platinum-platinum + rhodium Chromel-alumel 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 1 43832 2 1 43832 2 ANSWER DOWNLOAD EXAMIANS APP
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