| Post Name | LABORATORY TECHNICAL ASSISTANT-MAINTENANCE AND OPERATION OF BIO MEDICAL EQUIPMENTS |
|---|---|
| Department | VHSE |
| Question Paper Code | 051/2015 |
| Date of Test | 28 March 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Heart wall is divided into different layers. Muscular layer of heart is known as :
Answer
B. Myocardium
2
| Which of the following polymer is stored in the liver of animals?
Answer
D. Glycogen
3
The transducer used to produce ultrasound in ultrasound imaging is known as :
Answer
C. Piezo-electric transducer
4
Which parameter represent noise rejection characteristics of a differential amplifier?
Answer
D. CMRR
5
| Which of the following recorders has highest frequency response?
Answer
A. Electro-static recorder
6
Calculate mean arterial pressure if systolic pressure is 120 mm of Hg and diastolic pressure
is 90 mm of Hg:
Answer
D. 100 mm of Hg
7
The frequency of current which produces tingling sensation at 5 mA is :
Answer
A. 50Hz
8
Which filter is used in EEG machine to remove muscle artefact?
Answer
A. Low pass filter
9
Bone vibrator is used in audiometry for the measurement of bone conduction threshold.
It transforms :
Answer
A. . Electrical energy into mechanical energy
10
In fourth generation CT scanner :
;
Answer
B. X-ray source is rotating but Detectors are stationary
11
Which of the following is used in operation theatres and ICU's for providing suction?
Answer
B. Vacuum
12
Ethers are isomeric with :
Answer
C. Alcohols
13
.Which one among the following gases is a good promoter of fire?
Answer
A. Oxygen
14
Identify the X-ray receptor in which the image formed is dynamic visible and real time :
Answer
C. Fluorescent screen
15
150 KV is applied between the anode and cathode of a X-ray tube. Calculate the maximum
energy of X-ray generated :
Answer
C. 150KeV
16
In a centre-tap full wave rectifier, peak voltage between the ends of the transformer
secondary is 24V.Find the maximum voltage across the reverse biased diode :
Answer
A. 24V
17
Electrode used in conductivity meter is made of :
Answer
B. Platinum ,
18
Which of the following light detectors has 9 to 16 dynodes between photo anode and cathode?
Answer
B. Photomultiplier tube
19
What are the characteristics of image formed in compound microscope?
Answer
D. Virtual, magnified, inverted
20
In high power objective adjustment of compound microscope :
P
Answer
D. Condenser is raised, iris diaphragm is 3/4** opened
21
Which of the following electrode is used as coagulation electrode in ESU?
Answer
C. Ball type electrode
22
Choose the correct statement :
Answer
B. Thermostable glass containers having liquid inside will break during autoclaving
23
Which bio signal is used as stimulating signal for artificial limb?
Answer
C. EMG
24
Which of the following EEG electrode has minimum movement artefact?
Answer
C. Needle electrode
25
Which method is used to get continuous information of blood pressure of a patient?
Answer
C. Catheterization
26
Name the EEG wave used for measuring depth of anaesthesia :
Answer
A. Alpha wave
27
Statements related to CRT are given below. Select the statement which is wrong :
Answer
D. The positive potential on the phosphor screen determines the intensity of electron
beam
28
A moving coil galvanometer is converted into ammeter by connecting :
Answer
B. A low resistance in parallel
29
The audio frequency amplifier which has flat frequency response is :
<
Answer
A. RC coupled amplifier :
30
What are the features of transistors used in power amplifier?
Answer
A. Thick base, small beta, metal casing
31
Tank circuit produces oscillations in an oscillator. Tank circuit of colpitt's oscillator has :
Answer
B. Two capacitors and one inductor
32
Cut off frequencies determines the passband of a filter. Cut off frequencies are the
frequencies at which :
Answer
D. Gain falls below 70.7% of maximum value
33
Mutations that arise suddenly in nature are called : ā
Answer
D. Spontaneous mutations
51/2015 6 A
34
SCR is used in high power control circuits. It is switched off by :
Answer
D. Reducing anode current
35
In lead II configuration for ECG measurement, active electrodes are placed at :
_ (note : RA-Right arm, LA-Left arm, LL- Left leg, RL-Right leg)
Answer
C. RAand LL
36
Name the valve connecting right atrium and right ventricle :
Answer
B. Tricuspid valve
37
Blue light emitting LED's are made of :
Answer
C. GaN
38
Unit of X-ray absorption is:
Answer
C. Rad :
39
Efficiency of X- ray production at 200KV diagnosis purpose X-ray tube is :
Answer
A. 1%
40
Which of the following instrument assist in the treatment of psychiatric disorder manic
depression?
Answer
B. , Flame photometer
.
41
The Diffraction grating is working on the principle that :
Answer
C. Refractive index of prism is different for different frequencies
42
Which of the following radio isotope is used in teletherapy units in hospitals for tumour
destruction?
Answer
B. Cobalt-60
43
The wavelength of visible spectrum is :
Answer
A. 400-700 nm
44
In ECG waveform repolarization of ventricles is represented by :
Answer
C. Twave
45
1N4001 is the name of a semiconductor device. Identify it :
Answer
D. Diode
46
The principle of X-ray production at coolidge tube depends on :
Answer
C. Conversion of kinetic energy into electromagnetic radiation
47
The External magnetic field in 1.5T MRI machine is generated using :
Answer
C. A superconducting magnet
48
Average velocity of ultrasound in bone is :
Answer
B. 4080 m/s
49
Which of the following instrument uses ultrasound for its operation?
Answer
D. Echoencephaloscope
50
When transistor is used as an amplifier?
Answer
B. Emitter-base junction is forward biased and collector-base junction is reverse
biased
51
A carbon resistor having silver colour in fourth band has a tolerance value of +/~ 50Q. Find
the value of the resistor :
Answer
D. 5002
| 51/2015 8 A
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52
Resting membrane potential of a living cell is : :
Answer
B. -70mV
53
Resting membrane potential of a biological cell is as a result of :
Answer
B. Diffusion of potassium and chlorine ions across the cell '
*
54
Leakage current can cause micro shock to patients. Name an instrument to check the leakage
current :
Answer
D. Electrical safety analyser
55
One of the options given below is not a characteristics of bioamplifier. Identify :
Answer
B. Low input impedance
56
The condition at which heart rate rises above 100 bpm is called : |
Answer
C. Tachycardia
57
Name the brain wave which is present during relaxed, eyes closed but not sleeping condition :
Answer
A. Alpha wave
58
The natural pacemaker of heart is called :
Answer
D. SA node
59
The ESU Technique in which superficial tissue destruction caused by sparks produced from
the electrode placed above the skin is called :
Answer
B. Fulguration
60
The equivalent resistance of two, 8Q resistors connected in parallel is equal to :
Answer
A. 4Q
61
Two copper wires have same length. Area of cross section of one of the wire is twice as that of
the other. If the resistance of large area wire is 12Q, then resistance of other wire is :
Answer
A. 240
62
According to Kirchhoff's current law : ;
Answer
C. The algebraic sum of currents meeting at a junction is equal to zero
63
Which of the following capacitor is polarized?
Answer
D. Electrolytic capacitor
64
The equation for finding the charge q stored in a capacitor c is:
Answer
A. q = cv where v-voltage
65
Select a variable resistor from the options givenābelow :
Answer
A. Preset
66
In a CRO, time Knob is set at 0.5ms/division. ImV, 500Hz signal is applied to the CRO
Number of divisions in which one cycle of input wave displayed is :
3
Answer
D. 4 divisions
67
Give an example for a device which converts light energy into electrical energy :
Answer
D. Selenium detector ;
68
One of the following is not a property of JFET :
Answer
C. Thermal runaway
69
An amplifier has an input voltage of ImV and a voltage gain of 40dB. Find the output voltage : i
Answer
A. 100mV
70
Which of the following oscillator has highest frequency stability?
Answer
D. Crystal oscillator
71
Resistance of a semiconductor ā-ā--āāā with increase in temperature.
Answer
B. Decreases
72
Name the transistor configuration used for impedance matching :
Answer
C. Common collector configuration
73
In an elastic collision :
;
Answer
A. Both momentum and kinetic energy are constant
74
Select the function of kidney from the options :
Answer
C. Water and salt balance
75
For sterilizing antibiotic solutions āāāāāāāā is used.
Answer
D. Filtration
76
Name a device working on the principle of seebeck effect :
Answer
D. Thermocouple
77
Name the electrode used for measuring blood pH :
Answer
B. Combination electrode
78
In ventricular systole : :
Answer
B. Semilunar valves open. Blood pumped into aorta and pulmonary artery
79
Which of the following is constant in a projectile motion?
Answer
A. Horizontal component of the velocity
80
The instrument used for measuring bone conduction threshold is :
Answer
A. Puretone audiometer
81
The author of āPoverty and Unbritish rule in Indiaā is :
i
Answer
B. Dadabhai Naoroji ;
82
The Chief guest of the Sixty-fifth Republic day was :
Answer
A. Shinzo Abe
83
Founder of āBengal Gazetteā :
Answer
D. James Hicky Ā©
84
The first session of the Indian National congress was attended by :
Answer
C. 72 delegates
85
The French possession in Kerala which became the part of Pondicherry :
Answer
A. Mahe
86
Government of Kerala observed the 75 Anniversary of the following incident on
12 November 2011: ;
Answer
C. Temple Entry Proclamation
87
Bhagath Singh Sukh Dev and Rajguru were hanged to death on the charges of throwing ,
bomb in the central assembly hall in Delhi on:
Answer
B. 23" March 1931
88
āSalt Suddenly became a mysterious word, a word of powerā who said :
Answer
C. Jawaharlal Nehru
89
The crowd who were gathered at Jallian Wallabhag on 13th April 1919 in order to protest
against the arrest of :
Answer
D. Saifuddin Kitchlew and Satyapal
90
The place where Beegum Hazrath Mahal gave leadership to the Revolt of 1857 :
Answer
B. Lucknow
91
The only Indian who participated in all the three Round Table conference was :
Answer
B. B.R. Ambedkar
92
Identify the correct chronological sequence of the following :
a. Kakori Revolution b. INA Trial
c. Poona Pact d. Nehru Report
Answer
A. a,d,eĀ¢,b
93
Match list-1 with list-2 and select the correct answer from code given below :
List-1 List-2
Answer
A. Separate Electorate if Lord Delhousie
94
Dyarchy in Province was set up under the :
Answer
D. Government of India Act 1919
95
The servants of India Society was founded by :
Answer
C. Gopalakrishana Gokhale
96
Who said, āNo caste, No Religion, No God for manā :
Answer
D. Sahodaran Ayyappan
97
The Cabinet Mission Came to India on 4%Ā» March 1946 consisted of three British cabinet
ministers. They were : ;
Answer
D. Pethwick Lawrence, A.V. Alexander and Stafford Cripps :
98
Head quarters of Ghadar party was :
Answer
D. Sanfransisco
99
Champaran satiagraha was held in :
Answer
C. 1917
100
The Princely state which was annexed to the British Dominion in 1848 as per doctrine of
Lapse was :
Answer
D. Satara |
|
51/2015 14 : A
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