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.Management Sciences
Category: Process Control and Instrumentation
Temperature measurement by optical pyrometer is done above ____________ point, which is 1063°C ?
0
A. Antimony
B. Gold
C. Silver
D. Nickel
The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly__________________?
A. Linear
B. Non-linear
C. Parabolic
D. Hyperbolic
Pyrometry refers to the measurement of temperature_________________?
A. With the mercurial thermometer upto 350°C
B. Directly
C. Which is of higher magnitude
D. All A., B. & C.
For an input forcing function, X(t) = 2t2, the Laplace transform of this function is________________?
A. 2/s2
B. 4/s2
C. 2/s3
D. 4/s3
In Bode plot, φ vs. ω is plotted on a/an ______________ graph paper?
A. log-log
B. Ordinary
C. Semi-log
D. Triangular
The response of two tanks of same size and resistance in series is __________________?
A. Under damped
B. Critically damped
C. Over damped
D. None of the above
Thermal well made of _____________ gives the fastest speed of response, while measuring temperature by thermocouples?
A. Steel
B. Vycor (a glass)
C. Nichrome
D. Inconel
Dead zone is the__________________?
A. Same as time constant
B. Same as transportation lag
C. Maximum change in the variable that does not change the reading of the instrument
D. None of these
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