Mechatronics Test Quiz | Mechatronics Test Objective Type Questions & Answers

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Questions
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

Answer: poor than
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

Answer: poor
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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

Answer: twice
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

Answer: the analog mode
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

Answer: multiplexer
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

Answer: One

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