Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? None of these Resistance thermometer Mercury in glass thermometer Vapor pressure thermometer None of these Resistance thermometer Mercury in glass thermometer Vapor pressure thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = 1, Kc = 13 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by Reducing the volume of the capillary to a minimum Reducing the volume of the receiving element to a minimum All of these Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the capillary to a minimum Reducing the volume of the receiving element to a minimum All of these Making the volume of thermometer bulb as large as conveniently possible 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 -π/2, π/2 0, π/2 - ∞, π/2 -π/2, 0 -π/2, π/2 0, π/2 - ∞, π/2 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 Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Increasing the diameter of the tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. Pointer Bulb Bourdon tube None of these Pointer Bulb Bourdon tube None of these ANSWER DOWNLOAD EXAMIANS APP