| Post Name | TRADESMAN - WIREMAN |
|---|---|
| Department | TECHNICAL EDUCATION - KANNUR |
| Question Paper Code | 036/2016 |
| Date of Test | 26 February 2016 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which of the following fire extinguisher is suitable for a live electrical fire?
Answer
A. Halon
2
The pliers used to make wire hooks and loops is:
Answer
C. Round nose pliers
3
When temperature of carbon increases, ita resistance?
Answer
A. Decreases
4
The specification of a given screwdriver is (75 mm x 0.4 mm x 2.5 mm) 0.4 mm stands for -
Answer
B. Thickness of tip of blade
5
The unit of Specific resistance is :
Answer
A. Ohm - meter
6
The unit of dielectric strength is:
Answer
A. kV/mm
7
The resistance of 100W, 260¥V electric lamp is:
Answer
B. 625 Ohms
8
Three 30 ohms resistors are connected in parallel. The effective resistance of the combination
will be :
Answer
A. 10 Ohms
9
Three resistors 27 ohms, 47 ohms and 68 ohms are connected in parallel. What is the total
resistance?
Answer
A. Less than 27 ohms
10
The type of watt meter suitable to measure DC power is :
Answer
B. Dynamo meter type
11
Ifthe area of a metal wire of a given length is doubled, its resistance will be :
Answer
B. Halved
12
Which one of the following is called as valance electron in an atom?
Answer
C. No, of electrons,in the outer most orbit(
13
Interpoles are connected in :
Answer
A. Series with armature
14
In three phase delta connection, line voltage 15 :
Answer
C. Same as phase voltage
15
Cells are connected in series to get:
Answer
A. More voltage
16
No load test on a transformer is conducted to measure :
Answer
B. Core loss
17
1 micro ohm is ______ ohm.
Answer
A. 1/1000000
18
In SI unit one coulomb of electricity corresponds to a quantity of electrons about :
Answer
A. 6.2410"
19
Which of the following does not depend on the resistance of a conductor?
Answer
C. Voltage
20
Which of the following material have negative temperature coefficient of resistance?
Answer
D. Carbon
21
How many 6 volt lamps are required to make a decorative serial set of operating voltage of
240 V?
Answer
Question Cancelled
22
Whatis the use of Eureka wire?
|
Answer
A. Rheostat
23
Which is not a property of an insulator?
|
Answer
Question Cancelled
24
In Leclanche cell manganese dioxide acts as:
Answer
C. Depolarizer
25
Positive electrode in a dry cell is : |
Answer
C. Carbon
26
Ina lead acid battery 6 positive electrodes are there. The numbers of negative plates are :
Answer
C. 7
27
The capacity of the storage battery is expresged in :
Answer
C. Ampere-hour rating
28
Permanent magnets are made from :
Answer
B. Alnico
29
The material slightly repelled by a magnet is called :
Answer
C. Diamagnetic
30
The unit of magnetic reluctance is: |
Answer
C. Ampere turns / Weber
31
Tesla is the unit of :
Answer
B. Flux density
32
The rule used to determine the direction of induced current in a de generator ;
Answer
D. Fleming's right hand rule
0236/2016 G A
33
Split rings are made from :
Answer
C. Hard drawn copper
34
é4, The winding have many turns of thin wire in de generator is :
Answer
C. Shunt field winding
35
The de generator used for welding purpose is:
Answer
C. Differential compound
36
The type of de motor used for traction purpose is :
Answer
C. Series motor
37
The connection of no volt coil in de 3 point starter across de supply is in series with :
Answer
D. Shunt field
38
Ward- Leonard system of speed control is used in de shunt motor to get :
Answer
C. From zero to desired value
39
The fuse unit is made from :
Answer
B. Porcelain
40
The joint used in over head lines for extending the length is :
Answer
C. Western union joint
41
As per IE Rules how much load is permitted in a power sub circuit :
Answer
C. 3000 W
42
‘The colour used for neutral wire in supply system is ;
Answer
B. Black
43
The recommended length of pipe used as earth electrode is :
Answer
B. Not less than 2.5 m
44
‘The size of the plate used for earthing electrode is : |
Answer
A. 60cm x 60cm :
45
The test used to check whether the switches are connected in live wire or not is :
Answer
C. Polarity test
46
2 pin sockets should not be used in domestic wiring unless the appliance to be connected is :
Answer
B. Double insulated
47
Ileus value is equal to:
Answer
B. O.707 laax
48
Form factor of a sinusoidal wave is:
Answer
B. 1.11
49
The unit of inductive reactance is:
Answer
B. Ohm
50
The phase difference between any two adjacent phases in a three phase system is:
Answer
B. 120° |
51
To provide inductance in a circuit which is used?
Answer
B. Choke
52
In which load power factor may be unity?
Answer
B. Non inductive resistance
53
The reciprocal of impedance is :
Answer
C. Admittance
54
The effect of low power factor in an electrical system is :
Answer
B. Current will be increased
55
Ina3 phase system voltage across phase to phase is called :
|
Answer
B. Line voltage
)
56
Laine voltage of a star connected 3 phage circuit is 415 V. The phase voltage will be :
Answer
D. 240V
57
The formula for reactive power in a 3 phase system is :
Answer
C. √3V_L I_L Sinθ
58
The number of slip rings required for a rotating field type 3 phase alternator is :
Answer
A. 2
59
Alternators are rated in:
Answer
C. KYA
60
The speed of 6 pole 60 Hz alternator is :
Answer
B. 1200rpm- =.
61
Core loss in a transformer is constant during :
Answer
D. All load
62
Condition for maximum efficiency of a transformer is :
Answer
A. Copper loss is equal to iron loss
63
The full load copper loss in a transformer is 900 watts. What will be the copper loss at half
load? |
Answer
C. 225 W
64
In which part of a transformer hysteresis loss will occur?
Answer
A. Core
65
The standard secondary rated voltage of a potential transformer is :
Answer
B. 110V
66
The direction of rotation of stator magnetic field depends up on :
Answer
C. Phase sequence of the supply
67
When speed of induction motor increases the rotor frequency will?
Answer
A. Decreases
68
Inching operation is also called as :
Answer
D. Jogging
69
How many contactors are there in a fully automatic star delta starter?
Answer
B. 3
70
The device used to store electrical energy in the form of electro static energy is :
Answer
D. Capacitor
71
The type of capacitor used in capacitor start motor is :
Answer
A. Electrolytic capacitor
72
Universal motor is used in :
Answer
D. Food mixer
73
The unit of sensitivity of meter is :
Answer
D. Ohm / volt
74
Control spring used in an instrument is made from:
Answer
C. Phosphor bronze
75
The unit of luminous flux is:
Answer
C. Lumen
76
In the following which is not a passive component?
Answer
C. Transistor
77
Which element is used as semiconductor material?
Answer
C. Silicon
78
What is the abbreviation of PILC cable?
Answer
C. Paper Insulated Lead Covered
79
The size of the ceiling fan is generally expressed by its :
:
Answer
D. Sweep
80
Line insulators are made from :
Answer
B. Porcelain clay
81
When the time in India is 10.30 AM, the time of Sri Lanka 1s?
Answer
B. 10.30 AM
82
The number of Union Territories in India : |
Answer
A. 7
83
Which of the following states have no coastline? |
Answer
C. Rajasthan
84
14"" Indian Census was conducted in the year :
Answer
A. 200)
85
Who is known as the ‘Grand Old Man of India’?
Answer
D. Dadabhai Naoroji
86
‘Discovery of India’ is authored by :
Answer
D. Jawaharlal Nehru
87
The first women president of Indian National Congress :
Answer
A. Annie Besant
88
The historic ‘Dandi March’ was in connection with :
Answer
D. Civil Disobedience Movement
89
Which among the following is an east-flowing river in Kerala?
Answer
B. Pambar
90
The Ezhimala Naval Academy is located in the district of :
Answer
C. Kannur
91
Alathur Sidhasramam was founded by :
Answer
B. Brahmananda Sivayogi
92
Prathvaksha Raksha Daiva Sabha was founded by :
Answer
C. Poikayil Yohannan
93
‘Misrabhojanam’ or interdining was a method introduced by : )
Answer
B. K. Ayyappan
94
The ‘Ezhava Memorial’ was prepared under the leadership of : |
Answer
A. Dr. Palpu
95
The play ‘Adukkalayil Ninnu Arangathekku’ exposed the condition of women among :
Answer
D. Nambuthiris
96
The present Vice Chairman of ‘Niti Ayog’ :
Answer
A. Aravind Pangariya
97
‘Vyapam Scam’ is an admission and recruitment scam in the state of :
Answer
B. Madhya Pradesh
|
98
The Copa America football tournament 2015 was held in:
Answer
C. Chile
99
The famous scientist Stephen Hawking belonged to:
Answer
D. England
100
The 2014 Nobel Prize for literature was won by :
Answer
C. Patrick Modiano
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