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Process control and instrumentation
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ The amplitude ratio for the sinusoidal response of __________ is < 1. first order system [other wrong options] [Discuss in forum] |
| Q2 ⇒ Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm3. 1 [other wrong options] [Discuss in forum] |
| Q3 ⇒ Liquid discharge from a tank or reservoir can not be measured by orificemeters [other wrong options] [Discuss in forum] |
| Q4 ⇒ Liquid levels in autocalves are measued by differential float type manometer [other wrong options] [Discuss in forum] |
| Q5 ⇒ The unit step response of the transfer function 1/(s2 + 2s + 3) has a damped oscillatory characteristics. [other wrong options] [Discuss in forum] |
| Q6 ⇒ Gas analysis is commonly done using the thermal conductivity cell [other wrong options] [Discuss in forum] |
| Q7 ⇒ Bode diagram are generated from output response of the system subjected to which of the following input? Sinusoidal [other wrong options] [Discuss in forum] |
| Q8 ⇒ Process degree of freedom indicates __________ number of controllers to be used. the maximum [other wrong options] [Discuss in forum] |
| Q9 ⇒ An aneroid barometer measures the __________ pressure. absolute [other wrong options] [Discuss in forum] |
| Q10 ⇒ In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the __________ variable. load [other wrong options] [Discuss in forum] |
| Q11 ⇒ Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ? CO2 [other wrong options] [Discuss in forum] |
| Q12 ⇒ Photoelectric pyrometers are suitable in the temperature range of __________ °C. 800-1600 [other wrong options] [Discuss in forum] |
| Q13 ⇒ __________ stability method uses open loop transfer function. Nyquist [other wrong options] [Discuss in forum] |
| Q14 ⇒ The term analogous to voltage in a single tank system is the level of liquid. [other wrong options] [Discuss in forum] |
| Q15 ⇒ Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is iron-constantan [other wrong options] [Discuss in forum] |
| Q16 ⇒ A non-linear system will have __________ steady state values. more than one [other wrong options] [Discuss in forum] |
| Q17 ⇒ __________ controller has the maximum stabilising time. PI [other wrong options] [Discuss in forum] |
| Q18 ⇒ Compositional analysis of flue gas coming out of a furnace in respect of O2 and CO2% can be continuously done by a/an thermal conductivity cell [other wrong options] [Discuss in forum] |
| Q19 ⇒ Thermistors are used in __________ devices. both(b)&(c) [other wrong options] [Discuss in forum] |
| Q20 ⇒ Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature both (b) and (c). [other wrong options] [Discuss in forum] |
| Or |