Bio Medical Engineers Recruitment Exam Questions with Answer Part 2- 2024

Bio Medical Engineers Recruitment Exam Questions with Answer Part 2 is published here by Mr. sathish, Answers available below each Questions, if you have any doubt on the answer you may contact us. Bio Medical Engineers Recruitment Exam Questions with Answer Part 1

Question50:-Which of these is the disadvantages of PET-CT scan ?
A:-Identification of small cancerous formations in the body
B:-diagnosis time is large
C:-cost of producing and transporting the radiopharmaceuticals
D:-the risk of radioactive substance
Correct Answer:- Option-C
Question51:-How many Special Function Registers are present in the 8051
microcontroller ?
A:-16
B:-20
C:-21
D:-32
Correct Answer:- Option-C
Question52:-Find the value in A, the accumulator, after the following 8051 code.
MOV A, #9AH
MOV R0, #53H
CLR C
SUBB A, R0
SWAP A
A:-04
B:-40
C:-47
D:-74
Correct Answer:- Option-D
Question53:-If the Nyquist rate for x(t) is Fs, what is the Nyquist rate of the signal
x(2t) ?
A:- /2
B:-
C:-
D:-
Correct Answer:- Option-C
Question54:-Which of the following is used to measure Inductance of an inductor
with a high Q factor ?
A:-Hay’s Bridge
B:-Wien’s Bridge
C:-Maxwell’s Bridge
D:-Kelvin Bridge
Correct Answer:- Option-A
Question55:-In a reluctance motor, at what angle is the maximum average torque
observed ?
A:-30
B:-45
C:-60
D:-90
Correct Answer:- Option-B
Question56:-Decimal equivalent of Hexadecimal number (A5) is
A:-105
B:-115
C:-165
D:-95
Correct Answer:- Option-C
Question57:-Which of the following is equivalent to the Boolean expression f(A, B,
C) = A + BC ?
A:-A + B + AC
B:-(A + B) (A + C)
C:-AC + BC + C
D:-AB + BC + B
Correct Answer:- Option-B
Question58:-MOSFET stands for
A:-metal oxide semiconductor film effect transistor
B:-metal oxide silicon film effect transistor
C:-metal oxide silicon field effect transistor
D:-metal oxide semiconductor field effect transistor
Correct Answer:- Option-D
Question59:-Given a BJT in a common emitter transistor configuration, the dc
current gain is 49 and emitter current is 10mA. What are the base current and
collector current ?
A:-0.2 mA, 9.8 mA
B:-0.4 mA, 9.6 mA
C:-0.4 mA, 10 mA
D:-0.5 mA, 10 mA
Correct Answer:- Option-A
Question60:-Binary equivalent of octal number (24) is
A:-010100
B:-011000
C:-011010
D:-110100
Correct Answer:- Option-A
Question61:-A strain gauge wire of length 100 mm long and has an initial resistance
of 120?.On applying a force , the wire resistance increases by 0.18? and length of
0.1 mm. Calculate the gauge factor.
A:-0.67
B:-1
C:-1.5
D:-1.75
Correct Answer:- Option-C

Question62:-Determine the output voltage of an LVDT for a displacement of 6 mm
from its central position, given that this LVDT produces a secondary voltage of 3.3 V
for a displacement of ±11 mm.
A:-0.2 V
B:-0.55 V
C:-1.8 V
D:-2 V
Correct Answer:- Option-C
Question63:-Which of the following is an active transducer ?
A:-Thermocouple
B:-Thermistor
C:-LVDT
D:-RTD
Correct Answer:- Option-A
Question64:-Which of the electrochemical sensor use ion selective electrodes to
determine changes in the concentration of chosen ions ?
A:-Conductometric biosensors
B:-Amperometric biosensors
C:-Potentiometric biosensors
D:-None of the above
Correct Answer:- Option-C
Question65:-Antigen-antibody interactions do not depend on which type of
interaction ?
A:-Covalent bonds
B:-Ionic bonds
C:-Hydrophobic interactions
D:-Hydrogen bonds
Correct Answer:- Option-A

Question66:-Which form of luminescence occurs with photoexcitation via photon
absorption ?
A:-Bioluminescence
B:-Photoluminescence
C:-Chemiluminescence
D:-Electroluminescence
Correct Answer:- Option-B
Question67:-Which of the following is an optical biosensor ?
A:-Piezoelectric
B:-Amperometric
C:-Potentiometric
D:-Surface Plasmon Resonance
Correct Answer:- Option-D
Question68:-Which type of transducer operates on the principle that the distance
between two parallel plates is varied by an externally applied force ?
A:-Variable capacitance pressure gauge
B:-Thermistor
C:-Piezoelectric Transducer
D:-Strain Gauge
Correct Answer:- Option-A
Question69:-Which component is commonly found in biosensors for detecting
specific biological
substances ?
A:-Immobilized enzymes
B:-Metal sensing devices
C:-Optical fibers
D:-Free enzymes
Correct Answer:- Option-A
Question70:-A thin wire of soft iron has a gauge factor of 2.5. What is the Poisson’s
ratio of the soft iron ?
A:-0
B:-0.5
C:-0.75
D:-1.25
Correct Answer:- Option-C
Question71:-What is the relation between Absorbance (A) and Transmittance (%T) ?
A:-A = 2 log(%T)
B:-A = log(1/%T)
C:-A = log (%T)-2
D:-A = 2 – log(%T)
Correct Answer:- Option-D
Question72:-Match the following ion-selective electrodes with respective
electrolytes ?
i) Glass electrodes a) Bromide and Iodide
ii) Solid State electrodes b) Ammonia
iii) Liquid-Liquid electrodes c) Potassium, Silver
iv) Gas Sensing electrodes d) Calcium, Magnesium
A:-i-a, ii-b, iii-c, iv-d
B:-i-c, ii-a, iii-d, iv-b
C:-i-a, ii-d, iii-c, iv-b
D:-i-c, ii-b, iii-d, iv-a
Correct Answer:- Option-B
Question73:-Which of the following is correct about Chemiluminescence Immuno
Assay (CLIA) versus Enzyme Linked Immuno Sorbent Assay (ELISA) ?
i) CLIA offers better signal to noise and sensitivity
ii) CLIA involves more complex instrumentation
iii) CLIA has wider dynamic range
iv) Enzyme labels can be used in CLIA as in the case of ELISA
A:-i, ii and iii
B:-i, ii and iv
C:-i, iii and iv
D:-ii, iii and iv
Correct Answer:- Option-C
Question74:-What is the range of applicability of coulter principle used for blood cell
counters ?
A:-0.5 microns to 500 microns
B:-0.5 nanometres to 500 nanometres
C:-50 microns to 500 microns
D:-5 nanometres to 500 nanometres
Correct Answer:- Option-A
Question75:-Which of the following chromatographic method is different from the
rest three ?
A:-Thin-Layer Chromatography
B:-Paper Chromatography
C:-Planar Chromatography
D:-High performance liquid Chromatography
Correct Answer:- Option-D
Question76:-What are the vertices of the Einthoven triangle used for defining ECG
leads ?
A:-RA, RL and LL
B:-RA, LA and LL
C:-LA, RL and LL
D:-LA, RA and RL
Correct Answer:- Option-B
Question77:-Which of the following is correct about Electroencephalogram ?
i) Alpha waves normally occur in the frequency range 50-150 Hz.
ii) Beta waves normally occur in the frequency range of 14-30 Hz.
iii) Theta waves normally occur in the frequency range of 4-7 Hz
iv) Delta waves are below 3.5 Hz.
A:-Only (iv) is true
B:-(iii) and (iv) are true
C:-(ii), (iii) and (iv) are true
D:-All of the above are true
Correct Answer:- Option-C
Question78:-Which of the following is false about Pulse oximeter ?
A:-It determines arterial oxygen saturation
B:-It has two light emitting diodes
C:-It is unaffected by motion artefacts and skin tone
D:-It works on the principle of differential absorption of light Hb and
Correct Answer:- Option-C
Question79:-As pure-tone audiometers generate test tone in octave steps, if 125 Hz
is a frequency generated, which of the following frequencies are NOT generated ?
A:-150
B:-500
C:-1000
D:-8000
Correct Answer:- Option-A
Question80:-Which of the following is true about Ultrasonic Doppler blood
flowmeters ?
(i) Frequency shift is directly proportional to the velocity of blood cells.
(ii) Frequency shift is directly proportional to blood flow volume.
(iii) Frequency shift is directly proportional to transmitted frequency.
(iv) Frequency shift is inversely proportional to velocity of sound in blood,
A:-(i), (ii) and (iii)
B:-(i), (iii) and (iv)
C:-(ii), (iii) and (iv)
D:-(i), (ii) and (iv)
Correct Answer:- Option-B
Question81:-A discrete impulse signal is defined as
A:-x[n]=n+1, for n=0; x[n]=0, for n?0
B:-x[n]=1, for n=0; x[n]=0, for n?0
C:-both (a) and (b)
D:-None of these
Correct Answer:- Option-C
Question82:-Which among the following is invalid about linear convolution between
an input sample x[n] of length P and an impulse response h[n] of length Q ?
A:-The number samples of Input and output are the same
B:-The number samples of output are equal to (P + Q)
C:-The number samples of output are less than (P + Q)
D:-The number samples of output are more than(P + Q)
Correct Answer:- Option-C
Question83:-An FIR digital filter is used in the processing of an EEG signal
containing frequencies from 0.5Hz to 30Hz. The filter is designed to remove the
power line humming in Indian scenario. The most suitable sampling frequency with
minimum memory requirements will be
A:-240Hz
B:-120Hz
C:-60Hz
D:-15Hz
Correct Answer:- Option-B
Question84:-An image contains all intensity levels as 0 (fully dark). The histogram
equalized image will contain
A:-Only 0 intensities
B:-All intensities from 0 to 255
C:-Only 0 and 255 intensities
D:-None of these
Correct Answer:- Option-A
Question85:-Figure QX represents a 2-D digital filter in the frequency domain for
image processing. It is a black circle blurred towards its circumference, at the
centre of a white back-ground. It can be
A:-An ideal low pass filter
B:-An ideal high pass filter
C:-A Gaussian low pass filter
D:-A Gaussian high pass filter
Correct Answer:- Option-D
Question86:-Which of the following operations results in zooming of an image ?
A:-Under Sampling
B:-Over sampling
C:-Edge detection
D:-K-means clustering
Correct Answer:- Option-B
Question87:-Which of the following statement/s is/are true ?
(i) Differentiation can be done in frequency domain to sharpen an image.
(ii) Sharpening highlights fine details in an image
A:-Both (i) and (ii)
B:-(i) only
C:-(ii) only
D:-Both (i) and (ii) are wrong statements
Correct Answer:- Option-C
Question88:-In which of the following method a labelled set of training data is not
necessary for training ?
A:-K-mean clustering
B:-SVM
C:-Decision trees
D:-None of these
Correct Answer:- Option-A
Question89:-Identify the correct statement/s with reference to deep learning
(i) They are computationally very efficient.
(ii) They need less training data compared to other methods.
A:-Both (i) and (ii)
B:-(i) only
C:-(ii) only
D:-Both (i) and (ii) are wrong statements
Correct Answer:- Option-D
Question90:-Select the correct statement/s about aliasing of images
(i) Aliasing may introduce additional frequencies which is not actually present in the
original image.
(ii) Aliasing can be reduced by smoothing the original image before sampling.
A:-Both (i) and (ii)
B:-(i) only
C:-(ii) only
D:-Both (i) and (ii) are wrong statements
Correct Answer:- Option-A
Question91:-The Paedobarography (F-SCAN) report of a 65 year old man with ten
years history of Type 2 diabetes mellitus is as given below.
MPP>21N/CM2 in both forefeet with % of body weight loading
78% on Forefoot and 21% on hind foot on either side.
Based on the F-scan data which is the most ideal foot wear modification indicated
for this patient in order to prevent the development of foot ulcer ?
A:-Thomas heel
B:-Metatarsal bar
C:-Metatarsal cookie
D:-Reverse Thomas heel
Correct Answer:- Option-B
Question92:-A 10 year old boy with spinal muscular atrophy was referred for
rehabilitation. O/E his hip muscle power as per MRC grading is found as follows. Abd
right 3/5, Left 2/5, Hip Ext right 3/5, Left 2/5, Flex 4/5 bilateral Knee Ext 4/5
bilateral. No hip instability. What is the gait deviation of this child and the most apt
ambulatory aid for this child to improve his gait ? The right combination is
A:-Lordotic waddaling gait and single elbow crutch on right side
B:-Lordotic waddaling gait and single elbow crutch on left side
C:-Lordotic waddaling gait and bilateral elbow crutches
D:-Pseudo waddaling gait and bilateral elbow crutches
Correct Answer:- Option-C
Question93:-A 22 year old female who had undergone resection of retroperitoneal
sarcoma developed recurrent buckling of left knee. Her motor power grading of left
lower limb is as follows Hip flex 2/5, Ext 4/5, Abd4/5, Addu2/5, knee Ext2/5, Flex4/5,
AnkleDF4/5, PF5/5. Ideal lower limb orthosis of choice is
A:-Ankle foot orthosis
B:-Floor reaction orthosis
C:-Tone reducing Ankle-foot orthosis
D:-Reciprocating gait orthosis
Correct Answer:- Option-B
Question94:-A 12 year old girl was brought with thoracolumabar scoliosis with apex
at D3 and Cobb’s angle 35 degrees. Which is the ideal spinal orthosis of choice ?
A:-Boston brace
B:-CASH brace
C:-Milwaukee brace
D:-Knight-Taylor brace
Correct Answer:- Option-C
Question95:-A 35 year old manual laborer and a habitual boozer came with
complaints of sudden onset of weakness of right hand following an alcoholic
slumber. His motor power examination results of right upper limb are as follows.
Triceps 5/5, Brachioradialis 3/5, Wrist DF 2/5, MCP DF 2/5, which is the ideal orthosis
of choice
A:-Robert-Jone’s splint
B:-Nama sivaya orthosis
C:-Tenodesis orthosis
D:-Short Opponens orthosis
Correct Answer:- Option-A
Question96:-The following are true about Jaipur foot
(i) made of vulcanized rubber.
(ii) invented by Prof. P. K. Sethi.
(iii) does not have a keel.
(iv) unsuitable for muddy terrains.
A:-i, ii, iii, iv
B:-ii, iii, iv
C:-i, ii, iii
D:-iii, iv
Correct Answer:- Option-C
Question97:-A fifty year old athletic and agile excise circle inspector lost his right
lower limb at above knee level following a hooch raid. He does not have any life
style diseases and an avid sports person. He belongs to which Medicare Functional
Classification Levels (MFCL) and the ideal prosthetic knee for this gentleman ? The
right combination is
A:-K3&Microprocessor knee
B:-K3& Hydraulic knee
C:-K4& Microprocessor knee
D:-K3& Multi axial knee
Correct Answer:- Option-C
Question98:-Which of the following statements are true regarding prosthetic fitment
of a pediatric upper limb amputee ?
(i) The process should be initiated at 3 to 9 months of age.
(ii) Onion peel socket is used.
(iii) The terminal device to be activated at ages 18 to 24 months.
(iv) the elbow to be activated at ages 48 to 60 months.
A:-i, ii, iii, iv
B:-i, ii, iii
C:-i & ii
D:-ii & iii
Correct Answer:- Option-B
Question99:-Which of the following points are true regarding flex foot ?
(i) It is made of carbon fiber.
(ii) It was invented by Van Philips.
(iii) Foot of choice of para-athlets.
(iv) Better compliance since it resembles human foot.
A:-i & iv
B:-i & ii
C:-i, ii, iii
D:-ii, iii, iv
Correct Answer:- Option-C
Question100:-The major working concept of “Thinking arm”, the latest bionic hand
is
A:-Brain computer interface
B:-Artificial intelligence
C:-Mentamove
D:-Neuroplasticity
Correct Answer:- Option-A

Bio Medical Engineers Recruitment Exam Questions with Answer Part 1