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