Instrumentation Engineering
GATE IN exam:gate PYQs
Build your understanding with focused practice from past exam papers.
Questions 271–280 of 650. Imported answers require independent review unless marked reviewed.
Question 11
Open questionINMCQ1 markNeeds review
The input
to a system is related to its output
as
Here
represents a unit-step function.
The transfer function of this system is ______Your answerChoose one option.
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A pneumatic nozzle-flapper system is conventionally used to convert ______
Your answerChoose one option.
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A periodic function
, with period 2, is defined as
The Fourier series of this function contains ______Your answerChoose one option.
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The output of a system
is related to its input
according to the relation
. This system is ______Your answerChoose one option.
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A unity-gain negative-feedback control system has a loop-gain
given by
The closed-loop system is ______Your answerChoose one option.
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A sinusoidal carrier wave with amplitude
and frequency
is amplitude modulated with a message signal
having frequency
to generate the modulated wave
given by
The message signal that can be retrieved completely using envelope detection is ______Your answerChoose one option.
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A Hall sensor is based on the principle of ______
Your answerChoose one option.
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A signal
is band-limited between 100 Hz and 200 Hz. A signal
is related to
as follows:
The statement that is always true is ______Your answerChoose one option.
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The figure shows a Chromel-Alumel thermocouple, where the junction A is held at temperature
, and a thermal emf
is measured using an ideal voltmeter between the open ends B1 and B2, both held at temperature
. Two identical copper wires are introduced between B1-C1 and B2-C2 as shown in the figure. When C1 and C2 are held at temperature
, the voltmeter reads a thermal emf
. Then, ______
Your answerChoose one option.
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The resistance of a pure copper wire of length 10 cm and diameter 1 mm is to be measured. The most suitable method from amongst the choices given below is ______
Your answerChoose one option.
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