Process Control and Instrumentation Quiz 1
1 / 50
Bode diagram are generated from output response of the system subjected to which of the following input ?
2 / 50
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________?
3 / 50
Composition of alloys can be determined by __________?
4 / 50
?A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency.? This is ________ criterion?
5 / 50
_______ controller has the maximum stabilising time?
6 / 50
________ thermometer cannot measure sub-zero (< 0? C) temperature ?
7 / 50
_____ are analysed using a Polarograph?
8 / 50
Characteristic equation is the denominator of _____ loop transfer function?
9 / 50
Configuration of Bourdon spring tube is never made of ______ shape?
10 / 50
Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic ?
11 / 50
Compositional analysis of flue gas coming out of a furnace in respect of O2 and CO2% can be continuously done by a/an_____?
12 / 50
_______ is undesirable in thermocouples used in industries ?
13 / 50
A magnetic flowmeter is__________?
14 / 50
Bourdon tube is never made of_________?
15 / 50
A non-linear chemical system is exemplified by a/an__________?
16 / 50
A system with a double pole at the origin is unstable since the corresponding term in the time domain_________?
17 / 50
Composition of natural gas is determined by the__________?
18 / 50
According to Bode stability criterion, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is__________?
19 / 50
An aneroid barometer measures the ______ pressure?
20 / 50
A typical example of a physical system with under damped characteristic is a______?
21 / 50
_____ stability method uses open loop transfer function?
22 / 50
A system with transfer function [(2S/4S) + 1] is of ______ order?
23 / 50
A pyrheliometer is an instrument used for measuring the__________?
24 / 50
Accurate temperature measurement performance of a radiation pyrometer cannot be affected, if the ?
25 / 50
A simple pitot tube measures the_____?
26 / 50
A barometer measures the ______ pressure?
27 / 50
A mercury thermometer cannot be used to measure the temperature below the freezing point of mercury, which is ______ ?C?
28 / 50
A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if_________?
29 / 50
A mercury barometer measures the ______ pressure?
30 / 50
Cascade control means ________?
31 / 50
Concentration of sugar solution can be determined by the___________?
32 / 50
Change of angle of refraction with composition comprises the working principle of a_____?
33 / 50
Compositional analysis of _______ is done using mass spectrometer?
34 / 50
______ is an example of distributed parameter system ?
35 / 50
A pyranometer is an instrument used for measuring the_____?
36 / 50
A negative gain margin expressed in decibels means a/an _____ system?
37 / 50
A constant volume gas thermometer employing _______ is used to measure sub-zero (i.e., < 0?C) temperature?
38 / 50
A bolometer is ___________?
39 / 50
A sinusoidal variation in the input passing through a linear first order system __________?
40 / 50
An amplitude ratio of 0.1 corresponds to ______ decibels?
41 / 50
A non-linear system will have ______ steady state values?
42 / 50
_____ is the static characteristics of an instrument?
43 / 50
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is_______?
44 / 50
Bode stability method uses _____ loop transfer function?
45 / 50
All the thermocouples used for temperature measurement use dissimilar metal _________?
46 / 50
Bimetal strips are not used in_________?
47 / 50
A stable system is the one_____?
48 / 50
A first order system with unity gain and time constant ? is subjected to a sinusoidal input of frequency w = 1/?. The amplitude ratio for this system is_______?
49 / 50
A manometer measures the ______ pressure?
50 / 50
A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same__________?
Provide Your Information
Your score is
The average score is 0%
Restart quiz
