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Free download in PDF Mechatronics Test Objective Type Questions & Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(21)
The capability of convention relay systems for complex operations is ___________ that of the PLCs .
[A]
poor than
[B]
excellent than
[C]
as good as
[D]
unpredictable as
(22)
How is the noise immunity of PLCs to electrical noises as compared to that of conventional relay controllers?
[A]
poor
[B]
excellent
[C]
as good as noise immunity of conventional relay controllers
[D]
unpredictable
(23)
Micro-controllers are ________________ than the PLCs.
[A]
bulky and expensive
[B]
bulky but cheaper
[C]
portable and cheaper
[D]
portable but expensive
Answer: portable and cheaper
(24)
Digital to Analog Conversion is ______________ Analog to Digital Conversion.
[A]
less complex than
[B]
more complex than
[C]
as complex as
[D]
unpredictable
Answer: less complex than
(25)
According to Nyquist theorem, the sampling rate should be _________ as fast as the highest frequency of the signal being measured or sampled.
[A]
twice
[B]
thrice
[C]
ten times
[D]
hundred times
(26)
Data acquisition of all the physical quantities in the real world is done in
[A]
the analog mode
[B]
the digital mode
[C]
either analog mode or digital mode
[D]
none of the above
(27)
The task of time sharing, in which large number of data signals are sent through cables or buses, is performed by____
[A]
sensors or transducers
[B]
central processing unit (CPU)
[C]
multiplexer
[D]
analog to digital converter
(28)
What is/are the maximum number of arrow/s (Input/s) allowed to go inside the block?
[A]
One
[B]
Two
[C]
Three
[D]
Four
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