Cochin Shipyard JTA Quality Control Instrumentation Paper 2020
Exam Date – 11th Jan 2020
The negative feed back in an amplifier
(a) Reduces Votage gain
(b) Increases the voltage gain
(c) Inreases the gain band width product
(d) Reduces the input impedance
a
To increase Q factor of a coil, the wire should be
(a) Long
(b) Thin
(c) Thick
(d) Long and Thin
c
Dipsticks are used for
(a) Pressure Measurement
(b) Flow Measurement
(c) Displacement Measurement
(d) Level Measurement
d
A Notch filter is a
(a) Wide band pass filter
(b) Narrow band pass filter
(c) Wide band reject filter
(d) Narrow band reject filter
d
Relation between fourier integral and laplace transform is through
(a) Time domain
(b) Frequency domain
(c) Both Time domain & Frequency domain
(d) None of the options
c
Magnitude and phase relationship between _____ input and steady state output is called as frequency domain –
(a) Step
(b) Ramp
(c) Sinusoidal
(d) Parabolic
c
What is “live zero”?
(a) Output zero for zero input
(b) Output non zero for zero input
(c) Output null for all input
(d) Output unpredictable
b
The advantage of adding derivative to a controller is alwasy
(a) increased stability
(b) the ability to overcome a big pure dead time lag
(c) The ability to react more quickly to measurement change
(d) A decrease in the pure dead time of the process
c
Resonant circuits that tune radios to particular frequencies are called
(a) plate circuits
(b) radio circuits
(c) filter circuits
(d) fiber circutis
c
SQL stands for
(a) Structured Question Language
(b) Sequence Question Language
(c) Structured Query Language
(d) Sequenece Query Language
c
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