| Post Name | TRADESMAN-ELECTRICAL-TECHNICAL EDUCATION-ALP KKD WYD /ELECTRICIAN-GROUND WATER/ELECTRICIAN GR II-PRINTING GOVT PRESS-EKM/ELECTRICIAN-AGRICULTURE TSR/ELECTRICIAN GR II-THE KERALA CERAMICS LTD |
|---|---|
| Department | .TRADESMAN-ELECTRICAL-TECHNICAL EDUCATION- (ALP KKD WYD) /ELECTRICIAN-GROUND WATER/ELECTRICIAN GR II-PRINTING (GOVT PRESS)- (EKM) /ELECTRICIAN-AGRICULTURE (TSR)/ELECTRICIAN GR II-THE KERALA CERAMICS LTD |
| Question Paper Code | 112/2015 |
| Date of Test | 13 June 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The safe and proper way of removing the existing software from the computer is :
Answer
D. uninstalling
2
The type code printed on the zener is BZC9V1, where ‘B’ indicates :
Answer
B. _ silicon
.
3
In MS-Word file, the short cut key used to save the document is :
Answer
B. Ctrl+S
4
The number of diodes used for a centre tapped full wave rectifier is :
Answer
B. 2
5
Expansion of SPDT is: .
Answer
B. Single Pole Double Throw
6
Open circuit test is conducted on a transformer to determine :
Answer
D. core loss
7
One Pico farad is equal to:
Answer
C. 10°” farad
8
The number of complete cycles produced in one second is called :
Answer
A. frequency
9
The function of tweezer is to:
Answer
C. hold light weight and very small components and wires
10
ljoule=:
Answer
A. 1Nm
11
The melting point of aluminium is :
Answer
B. 660°C
12
Specific gravity of electrolyte is measured by :
Answer
C. hydrometer
13
Find the square root of 15376 :
Answer
B. 124
14
Which type of drawing sheet having biggest area?
Answer
D. AO
15
What is the potential energy in a body, mass 5 kg on top of a pole 20 m high?
Answer
B. 980;
16
Which is the example of mandatory sign?
Answer
B. Wear safety belt
17
The unit of quantity of electricity is :
Answer
B. Coulomb
18
What is the value of medium resistance based on its ohmic values? :
Answer
B. Above 1 ohm upto 100 K ohms
19
Which tool is used to measure the size of the conductor? —__ | |
Answer
C. Standard wire gauge
20
In which classification of accessories, the switch will belong?
Answer
D. Controlling | pe
21
“21. What is the name of defect occurred in a cell, due to the presence of impurities on the zinc
plate?
Answer
D. Local action 1)
22
The mass of a substance liberated from an electrolyte by one coulomb of electricity is termed
aa27,'
Answer
A. electrochemical equivalent
23
What is the method of charging the battery at very low rate? :
Answer
C. Trickle charge method ~
24
The distance between two adjacent teeth of hacksaw blades are called :
Answer
A. pitch of the blades
25
Which substance is diamagnetic? | |
Answer
C. Bismuth
26
Tesla is the unit of : 5
Answer
A. flux density 3
27
Which type of DC generator is used for welding generator sets?
Answer
D. Differential compound generator
28
How many parallel paths in simplex wave winding of a D.C. generator having 8 poles?
Answer
D. 2
29
As per BIS the series tied winding terminals must be marked as :
Answer
C. D,D, ;
30
Which law/rule states that the magnitude of the induced e.m.f. is directly proportional to the
rate of change of flux linkage?
Answer
B. Faraday’s law of electromagnetic induction
31
The table fan is not oscillating. The cause may be :
Answer
C. the spur gear with broken teeth
32
Which one has negative temperature co-efficient of resistance?
Answer
D. Mica
33
Which type of resistors are called as thermistors?
Answer
D. NTC resistors
112/2015 6 A
34
Which one is NOT an application of electromagnet? |
Answer
C. Electric iron
35
The magnetic term analogous to electrical term current is : |
Answer
B. flux |
36
The fire extinguisher not used for electric fire : |
;
Answer
A. Foam type
37
Six carbon-zinc cells in series have an output of: |
Answer
B. 9V
38
A 100 Ah capacity battery should deliver a current of 10 A for approximately —
hours.
|
Answer
B. 10
39
A fluorescent tube may burn out if the choke coil is :
Answer
C. short circuited
40
The starting torque of a single phase induction motor is :
Answer
D. zero |
41
While testing a capacitor with a multimeter, the needle shows zero position indicating the
capacitor is :
|
Answer
C. short circuited
42
The direction of rotation of a capacitor-start motor can be reversed by :
Answer
D. reversing the connection of either the main or the auxiliary winding
43
What is the synchronous speed of a six-pole induction motor running on power at 60 Hz
supply? :
Answer
A. 1200 rpm
44
The output of an alternator is in:
Answer
B. KVA
45
The other name of field current in an alternator is :
Answer
C. exciting current
46
A6-pole, 1200 rpm alternator will generate emf at the frequency of :
|
Answer
B. 60 Hz
47
The voltage induced in the armature of an alternator will be:
Answer
D. AC
48
In Scot connection, the teaser transformer has a tapping of —---———— transformer.
Answer
A. 86% of main
49
The common method of cooling a power transformer is : 2
Answer
C. _ oil cooling with air blast
50
Three single phase transformers, each with 10 KVA rating connected in delta. If one of the |
- transformer is damaged and taken out, the output of the system will be : &
Answer
B. - 17.4 KVA
51
Transformer oil is used to : \ 7 |
Answer
D. insulate and cool |
52
Which one of the following transformer is largest in size? | |
Answer
D. 2KVA, 50 Hz &
53
Power transformers are designed to have maximum efficiency at :
Answer
A. near full load
54
A transformer has maximum efficiency at an iron loss of 400 watts. Its copper loss will be : |
Answer
C. 400 W
55
When a 440/220 V transformer is connected to a 440 V DC supply : |
Answer
C. the transformer may burn , : By is
56
Ina transformer, the primary and secondary induced voltages are : 3 |
Answer
C. 180° out of phase ; . | . |
57
ret 57. —————— is the most suitable material for the core of a transformer.
Answer
A. Cold rolled grain oriented steel
58
The current drawn by a 240 DC motor of armature resistance 0.5 ohm and back emf of 220 V
will be : | es
Answer
D. 40A |
59
For wide and very sensitive speed control, the usual method is :
Answer
D. Ward-Leonard control |
60
The speed of a DC motor can be controlled by varying :
Answer
D. all of the above
61
‘61. Acompound motor has: 7 .
Answer
A. two fields
62
A 4-point starter is essential for a: )
Answer
A. compound motor with speed control above normal | |
63
The power output of any electrical motor is taken from the :
Answer
A. . shaft
64
A 64. In DC motor three-point starter the hold ON coil is connected : |
Answer
A. in series to field coil :
65
How many parallel paths are formed in DC motor four point starter?
Answer
C. Three
66
The inter poles are connected in: |
Answer
A. . series with the armature
67
' The standard length of PVC wiring conduit available in the market is: est
Answer
A. 3 meters
68
If five numbers of lamps to be installed in godown wiring, we require : | | |
Answer
D. one SPT and four two-way switches |
69
The minimum length of pipe electrode used for earthing should not be less than :
Answer
C. 2.5 m
70
According to IE rules, the leakage current in an installation should not exceed one |
—— the part of the maximum current in the installation.
Answer
A. 5000 7
71
7 An ON-LOAD tap changer is provided with :
at gee -
Answer
A. powertransformer —
72
The repeated closure of the circuit to start a motor from rest, producing small movements is
‘s called : :
Answer
C. jogging
73
The number of contactors used in a semi-automatic star-delta starter is :
Answer
C. 3
74
The edges of the slot liner should be folded on either end to prevent them from sliding in the
slots is called: . i . |
Answer
A. cuffing
75
The periphery of the armature divided by the number of poles of the machine is called :
Answer
B. polepitch |.
76
An electromagnetic device used to detect and locate grounded, shorted and open coils in an
armature : ae .
Answer
A. external growler
77
Pick up the odd one out : .
Answer
D. saucepan type
78
The amount of emergent light downward is 60 to 90%. The type of lighting system is :
Answer
C. semi direct
79
Coupling gap reading can be taken with the help of —--———— while coupling and aligning
MG sets. ates
Answer
B. feeler gauge ;
80
As per Rule 51, a clear space of not less than 91.44 cm in width shall be provided :
Answer
D. in front of the switch board
81
The highest peak of Himalaya : |
Answer
B. Mount Everest
82
7 82. Which state receive the heaviest rainfall in India? 3
Answer
A. Megalaya
83
What is the longest river in India? |
Answer
B. Ganga |
84
The greatest mountain range come between northern and southern India : .
Answer
C. Vindhya |
85
In the Sangam period the hilly regions were called as: |
Answer
B. Kurinji
:
86
The first martyr of 1857 revolt : .
Answer
B. Mangal Pande :
87
The founder of the Indian National Congress was : |
Answer
D. A.O. Hume |
88
. Importance of the year 1942 is:
Answer
C. Quit India Movement
89
———_————— was responsible for the partition of Bengal. |
Answer
B. Lord Curzon
90
The famous Edakkal cave is situated in —---——— district. -
Answer
A. Wayanad
91
Kallumala agitation was led by:
Answer
B. Ayyankali |
)
92
Ezhava Memorial was submitted under the leadership of :
Answer
A. Dr. Palpu
93
Who was the author of the famous work “Jathikummi”? ty
Answer
D. Pandit Karuppan
94
——————— was considered as the father of Muslim Renaissance in Kerala.
Answer
B. Vakkom Moulavi
95
Kuriakose Elias Chavara was died on :
Answer
A. 34 January 1871
96
Which political party won the 2015 Delhi Assembly Election?
Answer
B. AAP
97
3 97. Who got Vayalar Award of 2014? ‘
Answer
D. K.R. Meera
98
Which of the following is the Multilateral Bank operated by BRICS states?
Answer
C. New Development Bank
99
Who was the Chief Guest of 2015 Republic Celebration in India? _ |
Answer
B. Barack Obama . |
100
The first Malayali to win Oscar Award was:
Answer
A. Resul Pookutty
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