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