Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Chromel-alumel Platinum-platinum/rhodium Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum/rhodium Copper-constantan Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an None of these Gage glass Differential pressure gage External float gage None of these Gage glass Differential pressure gage External float gage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Specially designed thermocouple Optical pyrometer Radiation pyrometer None of these Here Specially designed thermocouple Optical pyrometer Radiation pyrometer None of these Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Integral control action is introduced Kc is reduced Derivative control action is introduced Kc is increased Integral control action is introduced Kc is reduced Derivative control action is introduced Kc is increased 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. Increase No change Exponential decrease Decrease Increase No change Exponential decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples. Steel Nichrome Inconel Vycor (a glass) Steel Nichrome Inconel Vycor (a glass) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS