A. Damped vibrator
B. Mercury in glass thermometer kept in boiling water
C. Interacting system of two tanks in series
D. Non-interacting system of two tanks in series
Related Mcqs:
- Pick out the one which is a first order instrument ?
A. Mercury in glass thermometer (without any covering or air gap)
B. Bare metallic thermometer
C. Bare vapor pressure thermometer
D. All A., B. and C. - Pick out the wrong statement ?
A. O2, NO and NO2 exhibit paramagnetic properties as a result of unpaired electrons
B. CO2 is the strongest paramagnetic gas
C. Paramagnetic susceptibility of gases decreases with temperature
D. Paramagnetic susceptibility of gases permits the measurement of their concentration - Pick out the wrong statement ?
A. Proportional controller is normally used for level control in industrial applications
B. CSTR can be considered as a distributed parameter system
C. Distributed parameter approach gives partial differential equation
D. Non-linear behaviour is exemplified by an on-off controller - Pick out the wrong statement?
A. There is no transfer lag for a single first order system
B. Stirred tank with a water jacket exemplifies an interacting system
C. Transfer lag is a characteristic of all higher order systems (other than first order systems)
D. Transfer lag decreases as the number of stages decreases - Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C ?
A. Mercury thermometer
B. Bimetallic thermometer
C. Radiation pyrometer
D. None of these - Which of the following is not a second order instrument ?
A. Mercury in glass thermometer with covering
B. Bare mercury in glass thermometer
C. Pressure gauge with one bellow, two tubes and a tank
D. None of these - The transfer function of a first order system is______________?
A. 1/(Ts + 1)
B. 1/Ts
C. s/(Ts + 1)
D. None of these - The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by ____________________?
A. Reducing value of Kc
B. Introducing integral control
C. Introducing derivative control
D. None of the above - What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system ?
A. 1
B. > 1
C. < 1
D. None of these - E.m.f. generated by thermocouples is of the order of ________________?
A. Milli volts
B. Micro volts
C. Volts
D. Kilo volts
