Cochin Shipyard Assistant Engineer instrumentation Paper 2020
Exam Date – 11th Feb 2020
Organisation establishes relationship between
(a) Customer, work and resources
(b) People, work and resources
(c) People, work and management
(d) Customer, work and management
b
Self generating type tranducers are ____ transducers.
(a) Inverse
(b) Secondary
(c) Passive
(d) Active
d
Strain gauge, LVDT and thermocouple are examples of
(a) Passive transducers
(b) Active transducers
(c) Analog transducers
(d) Primary transducers
c
An inverse tranducer is a device which converts
(a) Electrical quantity into a non electrical quantity
(b) Electrical quantity into mechanical quantity
(c) Electrical energy into thermal energy
(d) Electrical energy into light energy
a
Dead time of the instrument is
(a) The largest change of input quantity for which there is no output of the instrument
(b) The time required by an instruement to begin to respond to a change in the measurand
(c) The time required by an instrument for initial warming up
(d) None of the options
c
The universal gate is _____
(a) NAND gate
(b) AND gate
(c) OR gate
(d) None of the options
a
A trnsducer converts ______
(a) mechanical quantity to electrical form
(b) electrical quantity to physical form
(c) physical quantity to electrical form
(d) chemical quantity to physical form
c
__________ is used to prevent oscillation in moving system.
(a) Oscillatory system
(b) Damping system
(c) Controlling
(d) Deflecting
b
Which of the following is not a characteristic of an ideal op-amp?
(a) Infinite bandwidth
(b) Infinite input impedance
(c) Zero slew rate
(d) Zero output impedance
c
A confined space is demmed ready for employee entry when
(a) The unit operations foreman declares it ready
(b) An engineer has completed the necessary calculations
(c) A company safety inpsector has certified it
(d) Your supervisor assigns you to the job
c
The following is(are) non-verbal communication
(a) Facial expression
(b) Appearance
(c) Posture
(d) All of the options
d
When is the communication process complete?
(a) When the sender transmits the message
(b) When the receiver understands the message
(c) When the message enters the channel
(d) When the message leaves the channel
b
Error of measurement is
(a) Precision- True value
(b) Measured value – Precision
(c) True value – Measured value
(d) None of the options
c
What is the span of an instrument, operating under a bias which read a value from 230 V to 450V only?
(a) 230
(b) 450
(c) 400
(d) 220
d
Which of following can be measured using Piezo-electric transducer?
(a) Velocity
(b) Force
(c) Displacement
(d) sound
b
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