| Post Name | LECTURER IN ELECTRICAL AND ELECTRONICS ENGINEERING - GOVT POLYTECHNICS - TECHNICAL EDUCATION |
|---|---|
| Question Paper Code | 167/2016 |
| Date of Test | 9 December 2016 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which one of the following town is not located on a river bank?
Answer
C. Bhopal
2
'Meghalaya' is the name given to the region corresponding to:
Answer
B. Garo-Khasi hill region
3
UNDP has declared 11%h July as the World Population Day since 1989 because the World
Population reached :
Answer
A. 500 crore
4
Who is the Vice Chairman of NITI Aayog?
Answer
D. Aravind Panagaria
5
Name the National leader who put forward the 'Drain Theory'.
Answer
A. Dadabhai Naoroji
6
Who was the President of Indian National Congress when congress signed merger pact with
Muslim League in 1916?
Answer
D. A.C. Majumdar
7
In which session, Subhash Chandra Bose elected as the President of Indian National
Congress in first time :
Answer
B. Tripuri
8
The first great experiment in Satyagraha was launched by Mahatma Gandhi at :
Answer
D. Champaran
9
In which place we can see Paradesi Sinagogue?
Answer
C. Mattancherry
10
The first Mamankam festival was conducted at:
Answer
B. Thirunnavaya
11
Which social reformer started the Journal Abhinava Kerala in 1921?
Answer
D. . Vagbhatananda
12
Kochi Raja conferred the title 'Kavithilakan' to an eminent social reformer of Kerala was :
Answer
A. Pandit Karuppan
13
Adukkalayil Ninnu Arangathekku the play written by :
Answer
B. V.T. Bhattathiripad
14
Who started the newspaper Swadeshabhimani?
Answer
C. Vakkam Abdul Khader Moulavi
15
Who formed the Ezhava Maha Sabha?
Answer
D. Dr. Palpu
16
Who is newly elected Prime Minister of Nepal?
Answer
B. Pushpa Kamal Dahal
17
Patidar agitation'. demanding reservation in Government Jobs and Educational Institutions
started in the State of:
Answer
C. Gujarat
18
Who is the Marathone runner lights the Olympic Cauldron of Rio 2016?
Answer
D. Wanderle de Lima
19
"Gods in Shackle's a documentary on the plight of elephants, directed by?
Answer
A. Sangita Iyer
20
Who is the Present Chairman of Kerala State Film Academy?
Answer
A. Kamal
21
If P is a square matrix, then P -PT is always :
Answer
B. Skew Symmetric
22
Inverse of the matrix [[1, −1], [1, 1]] is :
Answer
D. [[1/2, 1/2], [−1/2, 1/2]]
23
The term containing x* in the expansion of (௬ _ +) is the :
pa
Answer
C. 7 term
24
The value of sec{- 240°) is :
Answer
A. - i
25
If P| wee ct ,then P? =
—-sin@ cosé
Answer
D. —sin3@ மரி
cos@ ரமி cos3d sin 30
-—sin@ cosé ற) தாசி cos3e
of fe ae பழு ee ee Re Poe எ ee ட ae Eee Cees நர ம்பு பன்ற அடம் நர SIGs fo, eer on Peco ie Teme ப! eee Q + ப் id
26
Area of the region in the first quadrant bounded by the x - axis, the circle ஐர + y*=4 and
the chord of this circle which makes an angle 45° with the positive direction of x - axis is
Answer
A. 250. units
27
The value of lim as x → 2/3 of (27x³ − 8)/(27x − 18) is:
Answer
C. 4/3
28
The maximum value of sin x + cos x is :
Answer
C. √2
29
The value of the definite integral } ORs ax is :
1
Answer
B. . 1
30
General solution of the differential equation tan x (dy/dx) + y = cosec x tan x is:
Answer
A. y sin x = x + C
31
The main constituent of a Portland Cement is:
Answer
A. Lime
32
Type of conerete mix used in R.C.C. Work (Buildings) :
Answer
C. Mao
33
When the water table is close to the ground surface, the bearing capacity of a soil is reduced
to :
Answer
B. One - half
34
A staff reading taken on a bench mark or a paint of known elevation is called :
Answer
B. Back sight reading
35
The power of a telescope to form distinguishable images of objects separated by small angular
distance is called its :
Answer
A. ‘Resolving power
36
What type of cooling system is generally employed in two stroke engines used in two
wheelers? |
Answer
B. Air cooling |
37
The compression ratio of a diesel engine is in the range from :
Answer
C. 16-24
38
#8. The function of a flywheel in an automobile is to:
Answer
C. Tostore the energy during the working stroke of the engine
39
A Kaplan turbine is preferred when the available head is :
Answer
A. Low
40
In a nuclear reactor, heavy water can be ideally used as :
Answer
B. Moderator
41
Form factor is equal to :
Answer
B. r.m.s. value/Average value
42
Value of Power factor lies in between :
Answer
A. 0 and 1
43
Two resisters R, and R, give combined resistance of 6 ohm when in series and 0.83 ohm
when in parallel. The resistances are :
Answer
C. 5 ohm and 1 ohm
44
In an R, L, C series circuit impedance Z is equal to:
Answer
A. √[R² + (Xₗ − Xᶜ)²]
45
A wire having resistance R, is stretched to double its length. The new resistance R, is :
Answer
C. 4R,
46
When voltage applied to a diode is more than PIV, it is likely to result in :
Answer
D. Breakdown at the junction
47
Which of these cells in GSM / CDMA networks are used for densely populated areas?
Answer
B. Micro cells
48
The one bit registers provided in microcontrollers to store the results of certain program
instructions are called
Answer
C. Flag
49
What is the typical drop out voltage across 7805 fixed positive voltage regulator?
Answer
A. 27
50
Acell of an UPS battery has an Ah efficiency of 80%. It has an average terminal voltage on
discharge and charge of 1.2 V and 1.6 V respectively. The Watt-hour efficiency of the cell is
——_—_—_— %.
Answer
B. 60%
51
Find the Thevenin’s voltage across the points A and B in the following circuit :
A
52
| ப (PH) 1A.
5V
Answer
A. 5V B
52
Which of the following currents can induce the maximum induced voltage in a coil?
Answer
B. 1A, 100 Hz
53
A bandpass filter has a bandwidth of 4 kHz with a central frequency of 50 kHz. If the gain at
48 kHz is 10 dB, what is the maximum gain?
Answer
A. 13dB
54
In a 8 phase power measurement using two wattmeter method, both wattmeters give the
same reading. What is the power factor of the circuit?
Answer
B. Unity
55
Aspherical capacitor has an inner conducting sphere of 0.1 m and outer conducting sphere of
radius 0.2 m. The space in between is filled with a dielectric of permeability ௪. What is its
capacitance?
Answer
C. O87¢
56
Divergence of curl of any vector is :
>
Answer
A. 0
57
Two inductances of 1 H each are coupled together. The maximum value of mutual inductance
between them is :
Answer
D. 1H
58
The inductance of a long solenoid is measured as 1 mH. What will be its inductance, if the
number of turns is doubled?
Answer
B. 4mH
59
The energy stored in the magnetic field of a solenoid carrying a current of 10 A is 0.5 J. What
will be the stored energy if the number of turns is doubled and the current is halved?
Answer
C. 0.567
60
A capacitance is formed using 3 different dielectrics, as shown in the figure. If the
capacitance due to dielectric A alone is இர், what is the total capacitance?
் ௨௨2
ஙு “* 4
. கே
Answer
A. நே
61
The minimum regulation of a transformer occurs at a power factor of 0.707. The power factor
at maximum regulation will be :
|
Answer
Question Cancelled
62
The core loss of a transformer under OC test was measured as 40 W using an LPF
wattmeter. If the same power is measured using an HPF wattmeter, what will it read :
Answer
A. =>40W
63
A220 V DC machine which runs at rated speed as a generator supplies 10 A current. If the
same machine is allowed to run as a motor and if it takes 10 A current, at what percentage of
rated speed will it run?
Answer
A. 89%
64
Ina Brush Less DC
Answer
D. Synchronous motor
65
The load angle of a perfectly compensated DC motor is:
Answer
B. 90°
66
In a v/f controlled induction motor which runs at 50 Hz and rated voltage, the speed was found to be 1440 rpm. If the machine runs at 850 rpm at 30 Hz, what is the slip?
Answer
D. 0.0556
67
The maximum efficiency of an induction motor occurs at 4 kw. What will be the rating of the
machine?
Answer
A. 5 kw
68
A field excitation of 20 A in a certain alternator results in an armature current of 400 A in
short circuit and a terminal voltage of 2000 V in open circuit. The magnitude of internal
voltage drop within the machine at a load current of 200 A is :
Answer
C. 1000 V
69
A synchronous motor is connected to an infinite bus at 1.0 pu voltage and draws 1.0 pu
current at unity power factor. The synchronous reactance is 1.0 pu and resistance is
negligible. What is the load angle?
Answer
B. 45°
70
If the field excitation of a salient pole synchronous generator is removed, what will happen to
the machine?
Answer
Question Cancelled
71
The leakage resistance of a 100 km long cable is 1mS2. For a length of 50 km, the resistance
will be:
Answer
Question Cancelled
72
For an induction motor, it was found that the no load and full load currents are almost the
same. The reason is :
Answer
Question Cancelled
73
Two power plants P₁ and P₂ are connected by a lossy line with loss coefficients B₁₁ = 0.001, B₂₂ = 0.0005, B₁₂ = −0.0001. What is the power loss for generations P₁ = 50 MW, P₂ = 100 MW?
Answer
Question Cancelled
74
In the case of a single L-N fault of a 3 phase isolated neutral power system, what will be the
voltage on healthy phases? The line-to-line voltage is V kV:
Answer
C. VKV
75
A lossless transmission line having surge impedance loadings of 2000 MW is provided with a
distributed series capacitive compensation of 200 MVAR. The SIL of the compensated line
will be :
Answer
A. 2000 MW
76
A voltage of 5+45 sin (314¢+30°)4+5V5 sin 628¢ was measured with a capacitive coupled
rms meter. What will be the reading?
Answer
Question Cancelled
77
ADC ammeter has a resistance of 0.1Q and its currents range is 0—100A. Ifthe range is to
be extended to 0-500A, then the shunt resistance should be :
Answer
C. 0.0250
78
A single phase energy meter is operating on 200 V, 50 Hz supply with a load of 10 A for two
hours at 0.8 p.f. The meter takes 1800 revolutions in that period. The meter constant is:
Answer
Question Cancelled
79
What will be the reading on the wattmeter connected in the following figure? Assume
balanced supply :
ர காருடம்
aS
ae
Answer
D. -500W
80
Which of the following device will be chosen to measure the flow of fluid in open channel?
Answer
A. Pilot tube
81
A system is having a transfer function of
. What will be its impulse response?
ஈய
Answer
B. 8
அழும்
at
82
The transfer function 1209. of the circuit shown below is:
Vi(s)
|
=—
a
ர்,
R=
௪
காணஞ்கர்.
2RCS
Answer
Question Cancelled
83
For the unity feed back control system whose open loop transfer function is Gat’ the
s(s+
natural frequency of oscillation is :
Answer
D. 1 rad /see
84
The number of roots on the equation 2s⁴ + s³ + 2s² + 5s + 7 = 0 that lie in the right half of s-plane is:
Answer
A. 2
85
The loop gain GH of a closed loop syatem is given by the following expression us ;
s(s +2) (s+4)
The value of K for which the system just becomes unstable is :
Answer
C. 48
86
For a signal f(t) = 15 sin 4πt + 5 cos 8πt + 3 sin 18πt, the minimum sampling frequency should be:
Answer
A. 18
87
What is the rms value of the shown rectangular voltage waveform alternating between +50 V and −50 V?
Answer
Question Cancelled
88
Given two continuous time signals X(t) = e⁻ᵗ and y(t) = e⁻²ᵗ which exist for t > 0, their convolution is:
Answer
B. e⁻ᵗ − e⁻²ᵗ
89
Ayrectangular current pulse of duration T and magnitude 1 has the Laplace transform :
Answer
C. ona ௫) s
90
For the function F(s)=—, a the tritial எனக of f(t) is equal to:
s(s° +10s+1)
Answer
C. 0
91
What does Vou equal in the following figure?
1K 8.2K
2 ரபி” o—Wi-—_ wr Oo Vout
1K
Answer
A. —41 mV ர
92
For a Butter worth filter of second order, the gain of the amplifier should be :
Answer
D. 1.586
93
What are the trip points of the shown Schmitt trigger circuit with ±15 V supplies, 47 kΩ feedback resistance and 1 kΩ resistance to ground?
Answer
D. +0.32 and −0.32 V
94
The number of times the instruction sequence below will loop before coming out of loop is :
A: MOV AL, OOH
INC AL
JINZ A
Answer
Question Cancelled
95
For the DAC shown below, what is the resolution for digital inputs of 0 and 1?
Answer
Question Cancelled
96
In the shown diode-LC circuit, if C = 10 μF and L = 1 mH, and Vₒ = 100 V, the peak current through the diode is:
Answer
C. 10 A
97
If the supply voltage to a 3 phase full wave controlled rectifier is 100 V (rms line-to-line), what is the maximum average voltage output possible?
Answer
Question Cancelled
98
The lowest dominant harmonic frequency component from a sine — triangle PWM voltage
with a carrier frequency of 1 kHz and modulating voltage of 50 Hz is :
Answer
D. 100Hz
99
Which time harmonic order voltage will produce negative torque in an induction machine?
Answer
A. தக்
100
In a sine-PWM modulating sine wave, 10 V peak of 3rd harmonic component was added. What will be the 3rd harmonic component in the line-to-line voltage output?
Answer
C. 0 V
Discussion
Ask a doubt or share a tip.
No comments yet — start the discussion.