Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. Bourdon tube Pointer None of these Bulb Bourdon tube Pointer None of these Bulb 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? 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) Oxygen and sulphur (B.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 550 350 700 250 550 350 700 250 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by -π/2, 0 0, π/2 -π/2, π/2 - ∞, π/2 -π/2, 0 0, π/2 -π/2, π/2 - ∞, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum/rhodium Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Parabolic Linear Square root Exponential Parabolic Linear Square root Exponential ANSWER DOWNLOAD EXAMIANS APP