Rajasthan ITI Junior Instructor for Electronic Mechanic Trade 2018 Paper
RSMSSB Junior Instructor Electronics Mechanic Paper 2018-19
Exam Date 23rd Dec 2019 Duration – 3 hours
Which of the following is not a part of electrical cable?
(a) Wax
(b) Conductor
(c) Insulation
(d) Bedding
Which one of the following electrical cable is a type of insulated cable?
(a) Aluminium cable
(b) Copper cable
(c) Flat cable
(d) PVC coated cable
The rating of transformer may be expressed in ________
(a) kW
(b) kVAR
(c) kVA
(d) Hosre Power
On which principle transformer works?
(a) Self Inductance
(b) Mutual Inductance
(c) Self Capacitance
(d) Mutual Capacitance
Output of a digital Multimeter is __________
(a) Mechanical
(b) Optical
(c) Electrical
(d) Analog
Sensitivity of a voltmeter is expressed in
(a) Ohm/V
(b) Ohm/A
(c) V/Ohm
(d) V/A
The Channel Add is digital storage oscilloscope depends on
(a) Memory
(b) Reference cursor
(c) Vertical amplifier
(d) Input attenuator
Half wave rectifier has maximum efficiency of
(a) 40.6%
(b) 81.2%
(c) 78.5%
(d) 50%
Bridge rectifier is an alternative for
(a) Full wave rectifier
(b) Peak rectifier
(c) Half wave rectifier
(d) None of these
How many diodes are used in a bridge rectifier?
(a) 2
(b) 1
(c) 4
(d) 6
The output of IC 7805 regulator is
(a) -5 Volt
(b) +3 Volt
(c) -7 Volt
(d) +5 Volt
To get a maximum output current, IC regulations are provided with
(a) Radiation source
(b) Heat sink
(c) Peak Detector
(d) None of these
An Op-Amp clamper circuit is also referred as
(a) DC cutter
(b) DC inserter
(c) DC lifter
(d) DC leveller
A circuit that removes positive or negative parts of a waveform is called
(a) Clamper
(b) Clipper
(c) Diode clamp
(d) Limiter
The time period of a monostable 555 multivbrator is given by
(a) T=0.33 RC
(b) T=1.1 RC
(c) T = 3 RC
(d) T= RC
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