JUNIOR INSTRUCTOR MECHANIC MEDICAL ELECTRONICS – INDUSTRIAL TRAINING

FINAL ANSWER KEY
Question Paper Code: 23/2017/OL
Category Code: 017/2016
Exam: Junior Instructor Mechanic Medical Electronics
Medium of Question: English
Date of Test 22-03-2017
Department Industrial Training
Alphacode A
Question1:-Gulmarg is a hill station in
A:-Himachal Pradesh
B:-Maharashtra
C:-Jammu and Kashmir
D:-Tamil Nadu
Correct Answer:- Option-C
Question2:-In India, which coast receives rainfall from North Eastern Monsoon?
A:-Konkan coast
B:-Coromandal coast
C:-Malabar coast
D:-Gujarat coast
Correct Answer:- Option-B
Question3:-Who is the Deputy Chairman of NITI Aayog?
A:-Aravind Panagaria
B:-C. Ranga Rajan
C:-Urjith Patel
D:-None of the above
Correct Answer:- Option-A
Question4:-Pradhan Mantri Suraksha Bima Yojana started on
A:-28th August, 2014
B:-22nd January, 2015
C:-22nd September, 2014
D:-15th July, 2015
Correct Answer:- Option-D
Question5:-How many censuses (including the 2011 census) have been carried out since Independence?
A:-07
B:-05
C:-06
D:-08
Correct Answer:- Option-A
Question6:-Al-Hilal was a newspaper started for propagating nationalism by
A:-Mohammed Ali
B:-Abul Kalam Azad
C:-Sayed Ahammed Khan
D:-Mahatma Gandhi
Correct Answer:- Option-B
Question7:-Who was the British Prime Minister at the time of the Second Round Table Conference?
A:-Clement Atlee
B:-Neville Chamberlain
C:-Ramsay MacDonald
D:-None of the above
Correct Answer:- Option-C
Question8:-Kaladi the birth place of Sankaracharya stands, on the banks of the river
A:-Pamba
B:-Bharatapuzha
C:-Chaliyar
D:-Periyar
Correct Answer:- Option-D
Question9:-Kerala Pazhama, a pioneering Malayalam works on Kerala history written by
A:-J. Hough
B:-K.V. Krishna Ayyar
C:-Dr. Herman Gundert
D:-Fr. Ferroli
Correct Answer:- Option-C
Question10:-Who developed Cochin Harbour into a major port?
A:-Cabral
B:-Lord Macaulay
C:-Robert Bristow
D:-Marthanda Varma
Correct Answer:- Option-C
Question11:-Which social reformer was nominated by Travancore Government as a member of Sri Mulam Praja Sabha?
A:-Sahodaran Ayyappan
B:-Dr. Palpu
C:-Sri Narayana Guru
D:-Ayyankali
Correct Answer:- Option-D
Question12:-The teachings of one of the following social reformer, helped to strengthen the base of national movement in
North Malabar
A:-Swami Vagbhatananda
B:-Vaikunda Swamikal
C:-Chattampi Swamikal
D:-Sri Narayana Guru
Correct Answer:- Option-A
Question13:-Poikayil Yohannan is associated with the organisation of
A:-Sadhujana Paripalana Yogam
B:-Prathyaksha Raksha Daiva Sabha
C:-Atmavidhya Sangam
D:-Arya Samajam
Correct Answer:- Option-B
Question14:-Jati Mimamsa (Critique of Caste) is written by
A:-Chattampi Swamikal
B:-Pandit Karuppan
C:-Sri Narayana Guru
D:-Vaikunda Swamikal
Correct Answer:- Option-C
Question15:-Which social reformer is known as ‘Vidyadhiraja’?
A:-K. Kelappan
B:-Pandit Karuppan
C:-Ayyankali
D:-Chattampi Swamikal
Correct Answer:- Option-D
Question16:-In which year, Fedel Castro officially steps down as President of Cuba?
A:-2008
B:-2006
C:-2015
D:-1976
Correct Answer:- Option-A
Question17:-Who is the director of the popular film ‘Pulimurugan’?
A:-Tomichan Mulakumpadam
B:-Vysakh
C:-Nadir Shah
D:-Mohanlal
Correct Answer:- Option-B
Question18:-Who hit the fastest Ranji Trophy Century at Thiruvananthapuram?
A:-Vijay Hasare
B:-Gughale
C:-Rishab Pant
D:-Ankit Bhavan
Correct Answer:- Option-C
Question19:-Who is the minister in charge of Portfolio of Kerala State Dairy Development Department?
A:-V.S. Sunil Kumar
B:-P. Thilothaman
C:-T.P. Rama Krishnan
D:-K. Raju
Correct Answer:- Option-D
Question20:-Britain’s Andy Murray won the ATP World Tour Number One Trophy after defeating
A:-Novak Djokovic
B:-Stan Wawrinka
C:-David Goffin
D:-Kei Nishi Kori
Correct Answer:- Option-A
Question21:-The mode of propagation of FM Signal is by
A:-Sky wave
B:-Ground wave
C:-Direct wave
D:-Reflected wave
Correct Answer:- Option-C
Question22:-Adding a weak cell in series with a battery causes
A:-Decrease in Current
B:-Increase in Current
C:-Decrease in Voltage
D:-No Change in Voltage and Current
Correct Answer:- Option-C
Question23:-The ratio of ON time of a Pulse to the OFF time is known as
A:-Pulse Repetition Frequency
B:-Duty Cycle
C:-Time Cycle
D:-ON Cycle
Correct Answer:-Question Cancelled
Question24:-The Time Period of an Astable Multivibrator is given by the expression
A:-T = RC
B:-T = 0.707 RC
C:-T = 0.69 RC
D:-T = 1.38 RC
Correct Answer:-Question Cancelled
Question25:-Wien Bridge Oscillator Circuit uses
A:-Negative Feed Back
B:-Positive Feed Back
C:-Both Negative and Positive Feed Back
D:-None of the above
Correct Answer:- Option-C
Question26:-The Amplitude of undammed Oscillation
A:-Decreases with time
B:-Increases with time
C:-Constant
D:-Zero
Correct Answer:- Option-C
Question27:-The impedance of the parallel RLC circuit at Resonance is
A:-Maximum
B:-Minimum
C:-Zero
D:-Equal to DC resistance of the coil
Correct Answer:- Option-A
Question28:-A series resonance circuit used to reject an undesired frequency is known as
A:-Wave guide
B:-Wave trap
C:-Band pass filter
D:-Band stop filter
Correct Answer:- Option-B
Question29:-Which filters are used to block the 50 Hz hum produced by AC mains in Amplifiers?
A:-Low Pass
B:-High Pass
C:-Band Pass
D:-Band Stop
Correct Answer:- Option-D
Question30:-Voltage follower circuits are used for
A:-Current amplification
B:-Voltage amplification
C:-To avoid loading effect of source
D:-All the above
Correct Answer:- Option-C
Question31:-Which of the following is difficult to fabricate in an IC?
A:-Diode
B:-Resistor
C:-Transistor
D:-Choke
Correct Answer:- Option-D
Question32:-The output impedance of an Op-Amp is about
A:-1 MΩ
B:-10 KΩ
C:-500 Ω
D:-50 Ω
Correct Answer:- Option-D
Question33:-In Class B amplifier the Q point is Set Slightly above cut off. The purpose is to
A:-Avoid Cross over distortion
B:-Increase efficiency
C:-Reduce power dissipation
D:-Increase gain
Correct Answer:- Option-A
Question34:-Velocity of sound in water/liquid compared to that of air is
A:-Less
B:-Either Less or More
C:-The Same
D:-More
Correct Answer:- Option-D
Question35:-Specific Gravity of a fully charged Lead-Acid cell at room temperature will be
A:-1.15
B:-1.38
C:-1.835
D:-1.28
Correct Answer:- Option-D
Question36:-For IC 7815 the minimum unregulated DC input voltage should be
A:-+15 V
B:-+17 V
C:-+19 V
D:-+13 V
Correct Answer:- Option-B
Question37:-Two identical transistors having a β of 50 each, are connected as Darlington pair, the current gain β of the
amplifier is
A:-100
B:-1
C:-2500
D:-500
Correct Answer:- Option-C
Question38:-Effect of the emitter by pass capacitor in a CE Amplifier is
A:-Gain
B:-Input impedance
C:-Output impedance
D:-Both (1) and (2)
Correct Answer:- Option-D
Question39:-Which of the following is the most preferred type of biasing?
A:-Emitter bias
B:-Voltage divider bias
C:-Base bias
D:-Both (1) and (3)
Correct Answer:- Option-B
Question40:-A good power supply should have load regulation not more than
A:-0.10%
B:-1%
C:-5%
D:-10%
Correct Answer:- Option-A
Question41:-The phenomenon which causes reverse breakdown in Zener Diode is known as
A:-Hall effect
B:-Break down effect
C:-Avalanche effect
D:-Induction effect
Correct Answer:- Option-C
Question42:-The RMS voltage at the transformer secondary is 6 V. Its Peak Value is
A:-9.6 V
B:-7.2 V
C:-8.5 V
D:-12 V
Correct Answer:- Option-C
Question43:-When a diode is tested using an Ohm meter, it indicates high resistance in both direction, the condition of the
diode is
A:-Open
B:-Short
C:-Leaky
D:-Good
Correct Answer:- Option-A
Question44:-Which of the following is a polarised capacitor?
A:-Paper Capacitor
B:-Plastic Film Capacitor
C:-Ceramic Capacitor
D:-Tandalum Electrolytic Capacitor
Correct Answer:- Option-D
Question45:-If `m` and `n` are the modulus of any counters, then overall modulus of the cascaded counters is given by
A:-`mn`
B:-`2^(mn)`
C:-`mn^2`
D:-`(m/n)^2`
Correct Answer:- Option-A
Question46:-IC 7476 is
A:-D FlipFlop
B:-RS FlipFlop
C:-JK FlipFlop
D:-MS FlipFlop
Correct Answer:- Option-C
Question47:-The output of a particular OP-Amp increases 8 V in 12 ms, the slew rate is
A:-90 V/ms
B:-1 V/ms
C:-1.5 V/ms
D:-0.67 V/ms
Correct Answer:- Option-D
Question48:-A Binary number 10101 is equivalent to decimal number
A:-19
B:-12
C:-27
D:-21
Correct Answer:- Option-D
Question49:-The number `(12)_8` is equivalent to decimal
A:-12
B:-20
C:-10
D:-4
Correct Answer:- Option-C
Question50:-The expression `bar{(ABC)}` can be simplified as
A:-`barA.barB.barC`
B:-`AB + BC + CA`
C:-`AB+barC`
D:-`barA+barB+barC`
Correct Answer:- Option-D
Question51:-CMOS circuits are extensively used for One chip computers mainly because of their
A:-Low power dissipation
B:-Low cost
C:-High noise immunity
D:-Large packing density
Correct Answer:- Option-D
Question52:-The principal disadvantage of a Piezo electric transducer is that it
A:-can measure only force
B:-cannot measure static conditions
C:-is too small to handle
D:-produces only DC voltage
Correct Answer:- Option-B
Question53:-Loading effect is principally caused by ____________ instruments.
A:-high resistance
B:-low sensitivity
C:-high sensitivity
D:-high range
Correct Answer:- Option-B
Question54:-Total internal reflection can take place when light travels from
A:-air to glass
B:-glass to air
C:-rarer to a denser medium
D:-denser to a rarer medium
Correct Answer:- Option-D
Question55:-The structure of an optical fibre consist of
A:-multimode step index
B:-graded index
C:-single mode step index
D:-all of the above
Correct Answer:- Option-D
Question56:-Noise margin is expressed in
A:-Decibel
B:-Watt
C:-Volt
D:-Phon
Correct Answer:- Option-C
Question57:-An X-OR gate produces an output only when its two inputs are
A:-high
B:-low
C:-different
D:-same
Correct Answer:- Option-C
Question58:-In a JFET, `”I_{DSS}”` is known as
A:-Drain to source current
B:-Drain to source current with gate shorted
C:-Drain to source current with gate open
D:-None of the above
Correct Answer:- Option-B
Question59:-Which of the following devices has the highest input impedance?
A:-JFET
B:-Ordinary transistor
C:-Crystal diode
D:-MOSFET
Correct Answer:- Option-D
Question60:-An SCR is turned off when
A:-Anode current is reduced to zero
B:-Gate voltage is reduced to zero
C:-Gate is reverse biased
D:-None of the above
Correct Answer:- Option-A
Question61:-A diac is ___________ switch.
A:-AC
B:-DC
C:-Mechanical
D:-None of the above
Correct Answer:- Option-A
Question62:-A UJT may be used as
A:-Amplifier
B:-Saw tooth generator
C:-Rectifier
D:-None of the above
Correct Answer:- Option-B
Question63:-The horizontal plates of a CRO are supplied with ____________ to observe the waveform of a signal.
A:-Sinusoidal wave
B:-Cosine wave
C:-Sawtooth wave
D:-None of the above
Correct Answer:- Option-C
Question64:-The modulus of a counter is
A:-The number of flipflops
B:-The actual number of states in its sequence
C:-The number of times it recycles in a sec
D:-The maximum no of states
Correct Answer:- Option-B
Question65:-The digital circuit that routes its single input signal to one of `2^n` output lines depending on the value of `n`
control lines is
A:-multiplexer
B:-demultiplexer
C:-encoder
D:-data selector
Correct Answer:- Option-B
Question66:-A full adder can be made up of
A:-two half adders
B:-two half adders and a NOT gate
C:-two half adders and a OR gate
D:-two half adders and a AND gate
Correct Answer:- Option-C
Question67:-Which of the following is called the Universal Bias?
A:-Emitter bias
B:-Voltage divider bias
C:-Base bias
D:-None of the above
Correct Answer:- Option-B
Question68:-The advantage of transistor over Vacuum tube is
A:-Very small size
B:-Minimum power loss in the form of heal
C:-Low operating voltage
D:-All of the above
Correct Answer:- Option-D
Question69:-Which of the following should be as high as possible?
A:-signal to noise ratio
B:-hysteresis
C:-range
D:-frequency response
Correct Answer:- Option-A
Question70:-The degree to which variation in the output of an instrument follow input variations is referred to as
A:-sensitivity
B:-linearity
C:-hysteresis
D:-accuracy
Correct Answer:- Option-B
Question71:-The 8051 microcontroller is of ____________ pin package as a _____________ processor.
A:-30, 1 byte
B:-20, 1 byte
C:-40, 8 bit
D:-40, 8 byte
Correct Answer:- Option-C
Question72:-In induction heating depth of penetration is proportional to
A:-`”sqrt {frequency}”`
B:-`1/ “sqrt {frequency}”`
C:-frequency
D:-`”(frequency)^2″`
Correct Answer:- Option-B
Question73:-The ON state voltage drop across IGBT is
A:-Less than that across MOSFET
B:-Greater than that across MOSFET
C:-Equal to that of MOSFET
D:-None of the above
Correct Answer:- Option-A
Question74:-Which BUS is bi-directional?
A:-Data bus
B:-Control bus
C:-Address bus
D:-Multiplexed bus
Correct Answer:- Option-A
Question75:-The composition of soft solder is
A:-Lead 37% – Tin 63%
B:-Lead 50% – Tin 50%
C:-Lead 63% – Tin 37%
D:-Lead 70% – Tin 30%
Correct Answer:- Option-A
Question76:-Which digital IC package type makes the most efficient use of printed circuit board space?
A:-SMT
B:-TO can
C:-Flat-pack
D:-DIP
Correct Answer:- Option-A
Question77:-Which of the following can be act as Shear Protectorand
A:-Serum
B:-Silicon oil
C:-Glucose
D:-Glutamic acid
Correct Answer:- Option-A
Question78:-Non linear relationship between shear stress and shear rate exist in
A:-Newtonian fluids
B:-Non Newtonian fluids
C:-Both (1) and (2)
D:-None of these
Correct Answer:- Option-B
Question79:-The mechanical means of accomplishing sterilization of fermentation media/equipment is
A:-ultrasonic
B:-radiation
C:-chemical agents
D:-none of these
Correct Answer:- Option-A
Question80:-The collection efficiency by diffusion increases with
A:-Decreasing particle size
B:-Decreasing air velocity
C:-Both (1) and (2)
D:-Increasing particle size
Correct Answer:- Option-C
Question81:-MRI machines are calibrated in _____________ units.
A:-Power
B:-Tesla
C:-Pressure
D:-Hertz
Correct Answer:- Option-B
Question82:-Phonocardiograph is used for recording the sounds connected to which of the following
A:-pumping action of heart
B:-movement of valves
C:-pulsation in blood vessels
D:-none of these
Correct Answer:- Option-A
Question83:-The circuit which controls the Turn ON and Turn OFF and length of X-Ray delivered it to the patient is
A:-Filament circuit
B:-HT-circuit
C:-Timing circuit
D:-None of these
Correct Answer:- Option-C
Question84:-In dialysis the waste products are transferred to the dialysate by
A:-Viscosity variation
B:-Diffusion
C:-Surface tension
D:-Centrifuge
Correct Answer:- Option-B
Question85:-Among the following imaging system which has noninvasive character
A:-CT imaging system
B:-PET system
C:-Nuclear imaging system
D:-Ultrasonic imaging system
Correct Answer:- Option-D
Question86:-The most modern difibrilators will have position for synchronizing discharge pulse with the patient’s
A:-EEG
B:-ECG
C:-EMG
D:-None of these
Correct Answer:- Option-B
Question87:-Cardiac catheterisation is a technique used primarily to diagnose
A:-Nerve deficiencies
B:-Valve deficiencies
C:-Lung deficiencies
D:-None of these
Correct Answer:- Option-B
Question88:-X-Ray images are
A:-Unidimensional
B:-Multidimensional
C:-Two dimensional
D:-Three dimensional
Correct Answer:- Option-C
Question89:-In Audiometer which channel has pure tone or speech output
A:-First
B:-Second
C:-Third
D:-Fourth
Correct Answer:- Option-A
Question90:-In Bio-Telemetry the FDM stands for
A:-Frequency division modulation
B:-Fesimile distance modulation
C:-Fourier domain modulation
D:-Frequency division multiplexing
Correct Answer:- Option-D
Question91:-An Endoscope is an instrument for examining
A:-The Cancer Cells
B:-Blood Flow Rates
C:-The Head Surfaces
D:-A Body Cavity
Correct Answer:- Option-D
Question92:-The ability of the trace to remain visible on the face of CRT is known as
A:-Appearance
B:-Persistence
C:-Resolution
D:-Precision
Correct Answer:- Option-B
Question93:-The implanted receiver has been used with patient for stimulating
A:-nerves
B:-bones
C:-muscles
D:-tracts
Correct Answer:- Option-A
Question94:-A ____________ is used to discharge the defibrillator when the paddles are properly positioned.
A:-Thumb switch
B:-Foot switch
C:-Paddle switch
D:-Charge switch
Correct Answer:-Question Cancelled
Question95:-IN ERG measurements the reference electrode is made from
A:-Carbon
B:-Silver
C:-Carbon chloride
D:-Silver chloride
Correct Answer:- Option-D
Question96:-The advantage of star connected supply system is that
A:-Line current is equal to phase current
B:-Two voltages can be used
C:-Phase sequence can be easily changed
D:-It is a simple arrangement
Correct Answer:- Option-B
Question97:-Internet works on
A:-Packet switching
B:-Circuit switching
C:-Both (1) and (2)
D:-None
Correct Answer:- Option-C
Question98:-A circuit breaker is a
A:-power factor correcting device
B:-wave form correcting device
C:-both (1) and (2)
D:-current interrupting device
Correct Answer:- Option-D
Question99:-For communication from one network to another ____________ device is used
A:-gate way
B:-utility server
C:-printer server
D:-file server
Correct Answer:- Option-A
Question100:-Coaxial cable consists of ____________ concentric copper conductors.
A:-1
B:-2
C:-3
D:-4
Correct Answer:- Option-B