| Post Name | SUB ENGINEER |
|---|---|
| Department | KSEB |
| Question Paper Code | 016/2015/OL |
| Category Code | 325/2011 |
| Date of Test | 26 August 2015 |
| Medium of Question | ENGLISH |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
Who among the following is known as Grand Father of Indian Nation
Answer
B. Dayananda Saraswathi
2
Which Indian river is known as sorrow of Orissa
Answer
A. Mahanadi
3
Dr. Babasaheb Ambedkar International Airport is in
Answer
D. Nagpur
4
Lord Curzon's Partition of Begal came to effect on
Answer
B. 16 october 1905
5
Sangai is the state animal of
Answer
C. Manipur
6
Who was the commissioner of India Census 2011
Answer
B. C.Chadramouli
7
Ajantha cave paintings depict scenes from the
Answer
D. Jataka tales
8
The Sansad Adarsh Gram Yojana was launched on the birth anniversary of
Answer
D. Jayaprakash Narayan
9
Who among the following published the daily namely 'voice of India'
Answer
C. Dada Bai Navaroji
10
Name the Indian sports woman selected as the brand ambassador of Telengana state
Answer
A. Sania Mirza
11
J.C. Daniel award 2014 was awarded to......
Answer
B. M.T. Vasudevan Nair
12
The revolt held to wear upper cloth for lower caste women in kerala is....
Answer
A. Channar agitation
13
Which district of kerala speaks more number of languages?
Answer
D. Kasaragod
14
Which of the following team are behind the Malayali Memorial Movement?
Answer
A. K.P. Shankara menon,Dr.Palpu,G.P. Pillai
15
Which among the following is known as the first college in India?
Answer
A. CMS College Kottayam
16
Cochin Stock exchange came in to being.....
Answer
Question Cancelled
17
The largest back water in kerala is .......
Answer
C. Vembanad
18
The total number of wildlife sanctuaries in Kerala is.......
Answer
B. 13
19
The gold medalist among malayalees in Asian Games 2014 is.........
Answer
D. Tintu Luka
20
The co-operative dairy products entrepreneurship MILMA was established in the year...
Answer
A. 1980
21
A free electron means?
Answer
C. Valance electrons which are loosely attached to the nucleous.
22
The speed with which the effect of emf is experienced at all parts of a conductor resulting the flow of current is
Answer
B. Velocity of propagation of electric field
23
When a potential difference is applied to a resistor the heat is produced by
Answer
A. Due to the collision of free electrons with the molecules or atoms of the resistor
24
On application of heat on electrolyte it exhibit
Answer
D. Negative temp. Coefficient.
25
An operational amplifier is a
Answer
A. dependent source
26
A wire of resistance of 6 ohms is bent in the form of a circle , the effective resistance between two points on any diameter is
Answer
C. 1.5 ohm
27
A wire of resistance R ohm is streatched to double its length, then its resistance become
Answer
D. 4R
28
Two parallel wires carrying current in opposite direction
Answer
B. Repel each other
29
A coil has a resistance of 25 ohm and inductance of 5H is connected to a DC source of 50V is suddenly switched off what will be the value of current at the time of switching off
Answer
A. 2A
30
The inductive reactance of an inductor in a DC circuit is
Answer
B. Zero
31
In a circuit element if the p.d is higher than the applied voltage of the source then it will be
Answer
C. AC circuit
32
The moving system of an indicating type of electrical instrument is subjected to
Answer
D. All the above
33
The most efficient damping employed in electrical instrument is
Answer
C. Eddy current
34
In thermocouple ammeter the heat produced is proportional to
Answer
C. square of current
35
In a cross coil megger ,when two currents are passing through them The torque acting up on the coil
Answer
A. opposite direction
36
The frequency error in induction type ammeter is compensated by
Answer
C. non inductive shunt
37
An induction watt meter consist of
Answer
D. series and shunt electromagnet
38
The efficiency of a solar cell is
Answer
C. Low
39
in core type transformers the number of flux paths are
Answer
D. single
40
The relation between the excitation current and magnetic flux of a transformer is
Answer
A. Current leads flux
41
The equivalent resistance and leakage reactance of a transformer can be found out by
Answer
B. short circuit test
42
Hydro generator is the commercial name of
Answer
C. Salient pole synchronous generator
43
An electrical machine with lower efficiency will have
Answer
B. More losses
44
The effect of armature reaction under the pole shoes can be limited by
Answer
C. Compensating windings
45
DC motors are started by using starters because
Answer
B. To reduce the staring current
46
Swinburne 's test can not be performed on
Answer
C. series motor
47
which of the following are used as constant speed drive
Answer
A. Dc shunt motor
48
No load slip of an induction motor is
Answer
C. Very small
49
The relative advantage of a cage motor over a wound rotor motor of same power is
Answer
D. All the above
50
The maximum torque of an induction motor is proportional to
Answer
A. Square of supply voltage
51
A synchronous motor runs on
Answer
A. AC only
52
If the armature coil of a DC machine is N turns then Number of conductors of any coil side
Answer
D. N
53
The distance between two consecutive and similar top coil side is called
Answer
C. Winding pitch
54
In lap wound machine the number of brushes used is equal to
Answer
A. number of poles
55
A mooving iron instrument can measure
Answer
B. AC & DC
56
The emf developed in any physical system act in such a direction to tend to
Answer
C. Increase the co energy at constant mmf
57
The factor to be considered while selecting the site of a hydel power plant
Answer
D. All the above
58
Specific speed of a turbine is the speed at which it develop 1 metric HP under the head of
Answer
B. 1 meter
59
The active recovery voltage depends on
Answer
D. All the above
60
The highest current that a circuit breaker is capable of breaking at recovery and re striking voltage is
Answer
A. Breaking capacity
61
Circuit breaker intended for rapid auto re closing with rated operating duty o-m-co in which m represents
Answer
C. Dead time
62
The heat produced by an electric heating element is according to
Answer
B. Stefan's law
63
Ajax Wyatt furnace make use of a crucible in
Answer
C. Vertical
64
High frequency capacitance heating method is employed for heating
Answer
D. All the above
65
in carbon arc welding the carbon electrode with respect to work is
Answer
A. Negative
66
The filament lamp work at a pf of
Answer
B. 1
67
Which lamp has the highest luminous efficiency
Answer
D. Sodium vapor
68
In illumination space to height ratio is
Answer
A. 1 to 2
69
The induction motor cannot run at synchronous speed because if so
Answer
D. All the above
70
Semi closed or totally closed slots are used in 3Γ Induction Motor essentially to
Answer
A. Reduce magnetizing current
71
In DC machine the armature windings are placed on the rotor for effective
Answer
C. Commutation
72
The most powerful electromagnet in a normal DC machine operating at full load condition is
Answer
A. Field winding
73
Which of the following is called as stray flux
Answer
C. Leakage flux
74
When a coil moves through a time varying flux the induced emf present in the coil is
Answer
D. Both dynamically and Statically induced
75
A 3 Γ SCIM stator rewound for 6 poles withh out any alteration in the rotor will run at a speed
Answer
A. <1000 rpm
76
A 3Γ star connected IM takes 20A from supply. When connected in delta the motor will take a current of
Answer
A. 20β3 A
77
The armature core of a DC machine is laminated to minimise
Answer
B. Eddy current loss
78
Which part of a DC motor has the maximum flux
Answer
C. Leading pole tip
79
The air blast circuit breaker have best application in system of operating voltage
Answer
B. 132KV to 400KV
80
The cheapest shielding material used in Nuclear plant is
Answer
A. Concrete
81
Superposition Theorem is essentially based on the concept of
Answer
B. Linearity
82
Form factor for DC supply voltage is always
Answer
B. Unity
83
In purely resistive circuits
Answer
A. Power factor is unity
84
In a series resonant circuit, the impedance below resonant frequency is
Answer
A. Capacitive
85
The figure of merit of RLC circuit will increase if
Answer
A. R decreases
86
In an Intrinsic Semiconductor, Fermi Level represents the energy, with probability of its occupation of
Answer
C. 50 %
87
An Infra Red LED is usually fabricated from
Answer
C. GaAs
88
Avalanche Photo diodes are preferred over PIN diodes in optical communication systems because of
Answer
D. Larger power handling capacity
89
Power Transistors are invariably provided with
Answer
A. Heat Sink
90
In a JFET, beyond Pinch Off Voltage, as the drain voltage increases, the drain current
Answer
B. Remains constant
91
After firing an SCR, if the gate pulse is removed, the SCR current
Answer
A. Remains the same
92
One of the characteristic of the Emitter Follower is its
Answer
C. Low voltage gain
93
Cross Over Distortion in class B push pull amplifier is eliminated by
Answer
B. Class AB operation
94
A high Q tuned circuit in a tuned amplifier permits it to have high
Answer
A. Selectivity
95
Which of the following Op-Amp system is non linear?
Answer
B. Logarithmic Amplifier
96
At microwave frequencies, the size of the antenna becomes
Answer
D. Very small
97
In a single phase full converter, the number of SCRs conducting during overlap is
Answer
D. 4
98
A sinusoidal voltage of amplitude 1 kV is amplitude modulated by another sinusoidal voltage to produce 30% modulation. The amplitude of each sideband term is
Answer
B. 150 volts
99
An interrupt in which the external device supplies its address as well as the interrupt request is known as
Answer
A. Vectored interrupt
100
Logic 1 in negative logic system is represented by
Answer
B. Lower voltage level
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