The inverse Laplace transform of the function f(S) = 1/S (1 + S) is_________________?
A. 1 + et
B. 1 – et
C. 1 + e-t
D. 1 – e-t
Process Control and Instrumentation
A sinusoidal variation in the input passing through a linear first order system _________________?
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)
A barometer measures the _____________ pressure?
A barometer measures the _____________ pressure?
A. Absolute
B. Gauge
C. Absolute as well as gauge
D. dynamic
A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in_______________?
A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in_______________?
A. Light intensity
B. Current
C. Flux density
D. Voltage
The frequency response of a first order system, has a phase shift with lower and upper bounds given by________________?
The frequency response of a first order system, has a phase shift with lower and upper bounds given by________________?
A. – ∞, π/2
B. -π/2, π/2
C. -π/2, 0
D. 0, π/2
Which of the following does not figure in the list of seven substances selected for international temperature scale ?
Which of the following does not figure in the list of seven substances selected for international temperature scale ?
A. Ice (F.P) and steam (B.P)
B. Oxygen and sulphur (B.P)
C. Antimony and silver (F.P)
D. Zinc (B.P) and mercury (F.P)
Bode diagram are generated from output response of the system subjected to which of the following input ?
Bode diagram are generated from output response of the system subjected to which of the following input ?
A. Impulse
B. Step
C. Ramp
D. Sinusoidal
In a single tank system, the transfer function of _____________ to inlet flow rate is 1/(TS+1)?
In a single tank system, the transfer function of _____________ to inlet flow rate is 1/(TS+1)?
A. Outlet flow rate
B. Level
C. Both A. & B.
D. Neither A. nor B.
Identify an unbounded input from inputs whose transfer functions are given below______________?
Identify an unbounded input from inputs whose transfer functions are given below______________?
A. 1
B. 1/S
C. 1/S2
D. 1/(S2 + 1)
The transfer function of a first order system is______________?
The transfer function of a first order system is______________?
A. 1/(Ts + 1)
B. 1/Ts
C. s/(Ts + 1)
D. None of these