A. 0.5 AT
B. 2 AT
C. √(AT)
D. 1.5 AT
Related Mcqs:
- Degree to which an instrument indicates the changes in measured variable without dynamic error is called its ___________________?
A. Speed of response
B. Reproducibility
C. Fidelity
D. Static characteristics - In a second order under damped system, the_________________?
A. Time required for the response of first reach its ultimate value is called the response time
B. Overshoot (which is a measure of how much the response exceeds the ultimate value) increase
with the decrease of damping co-efficient
C. Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of
overshoot
D. None of these - Which of the following is the dynamic characteristics of an instrument ?
A. Reproducibility
B. Sensitivity
C. Dead zone
D. Fidelity - Which of the following is an undesirable dynamic characteristic of an instrument ?
A. Reproducibility
B. Dead zone
C. Time lag
D. Static error - A typical example of a physical system with under damped characteristic is a____________________?
A. U-tube manometer
B. Spring loaded diaphragm valve
C. CSTR with first order reaction
D. Thermocouple kept immersed in a liquid filled thermowell - 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 - 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. - A sinusoidal variation in the input passing through a linear first order system _________________?
A. Becomes more oscillatory (frequency increases)
B. Becomes less oscillatory (frequency decreases)
C. Gets amplified (magnitude increases)
D. Gets attenuated (magnitude decreases) - 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 - A first order system with unity gain and time constant η is subjected to a sinusoidal input of frequency w = 1/η. The amplitude ratio for this system is______________?
A. 1
B. 0.5
C. 1/√2
D. 0.25
