CSL Assistant Engineer Electronics Paper 2020

Cochin Shipyard Assistant Electronics Paper 2020
Exam Date – 10th Feb 2020

Which of the following is true for a capacitor?
(a) A capacitor acts like a short to instantaneous changes in current
(b) A capacitor’s voltage cannot change instantaneously
(c) A capacitor acts like an open to dc
(d) All of the options

d

The unit of flux density is known as
(a) mangetomotive force
(b) a weber
(c) a maxwell
(d) a tesla

d

Actual execution of instructions in a compouter takes place in
(a) ALU
(b) Control Unit
(c) Storage unit
(d) None of the options

a

AIS is an acronym for
(a) Aviation identity system
(b) Auto identity system
(c) Automatic identification system
(d) All identification system

c

Push pull amplifier is
(a) voltage amplifier
(b) current amplifier
(c) power amplifier
(d) None of the opitons

c

In radar systems PRF stands for
(a) Power Return Factor
(b) Pulse Return Factor
(c) Pulse Repetition Frequency
(d) Pulse Response Factor

c

The different access methods which permit many satellite users to operate in parallel through a single transponder without interfering with each other is/are
(a) Frequency Division Multiple Access (FDMA)
(b) Time Division Multiple Access (TDMA)
(c) Code Division Multiple Access (CDMA)
(d) All of the options

d

A direct current can be measured
(a) directly by dc potentiometer
(b) by dc potentiometer in conjunction with a standard resistance
(c) by dc potentiometer in conjunction with volt ratio box
(d) None of the options

b

A linear displacement digital transducer generally uses
(a) straight binary code
(b) BCD
(c) gray code
(d) hexadecimal code

c

The electrical power to a megtger is provided by
(a) battery
(b) inverter
(c) permanent magnet dc generator
(d) ac generator

c

An ohmmeter is a
(a) moving coil instrument
(b) moving iron instrument
(c) dynamometer instruement
(d) induction instrument

a