| Post Name | Assistant Professor in Agadatantra and Vidhi Ayurveda - Ayurveda Medical Education |
|---|---|
| Department | Technical Education Category No : 762/2021 |
| Question Paper Code | 043/2023/OL |
| Category Code | 762/2021 |
| Date of Test | 11 March 2023 |
| Medium of Question | ENGLISH |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
'Our body comes in contact with electric current it causes an Electric shock'. Which effect of electric current is related to this statement ?
Answer
Question Cancelled
2
In which class of insulation cotton, silk and paper are belongs to ?
Answer
A. Y
3
Among the following statement which one is true ?
Answer
C. The value of Potential Difference (PD) will be slightly less than Electro Motive Force (EMF)
4
Why we use the flux in the soldering process ?
Answer
B. dissolve oxides on the surface of conductor
5
Which of the following statement is correct ?
Answer
D. In a conductor contains incomplete valance electrons in the order of one, two or three in the outer most shell.
6
Choose the correct property of the conductor from the following.
Answer
A. low specific resistance
7
How many sections are included int he part-1 of the National Electrical Code (NEC) 2011 ?
Answer
D. 20
8
Weather proof cables are used for
Answer
B. service connection
9
Which one of the following is not a property of insulator ?
Answer
D. low resistivity
10
What is the voltage grade of the paper insulated lead covered, single core un armoured cable ?
Answer
C. 1.1 KV
11
Select the term, represents the technique used to control the corrosion of a metal surface by making it as the cathode of an electro chemical cell.
Answer
B. Cathode Protection (CP)
12
According to Faraday's law of electrolysis, the mass of substance liberated or deposited at any electrode during electrolysis is
Answer
C. Proportional to quantity of electricity passed through the electrolyte
13
What is the value of Electro Chemical Equivalent (ECE) of Silver in mg/c (milligram per coulomb) ?
Answer
D. 1.118
14
Choose the rechargeable cell from the following.
Answer
B. Nickel-Iron cell
15
Which type of positive plate inside the lead acid battery is made by pure lead at the beginning and charge to lead peroxide by the process of repeated charging and discharging ?
Answer
B. Plante plate
16
What are the two types of efficiency considered in a battery ?
Answer
D. Ampere-hour efficiency and Watt-hour efficiency
17
Which of the following inspection is not done before charging battery ?
Answer
A. Weight of the electrolyte
18
What type of charging method is used if the available supply is high voltage DC 220 V, 110 V etc. ?
Answer
C. Constant current method
19
Which one of the following is not a defect of Lead Acid Battery ?
Answer
D. polarization
20
What is the main difference between Nickel-Iron cell and Nickel-Cadmium cell ?
Answer
A. Type of negative plates
21
Choose the 'Term' that indicate the maximum value of potential difference between a point on the ground and a point.
Answer
Question Cancelled
22
Where we use system earthing method in the following ?
Answer
D. Generating station
23
Among the following, which one is not related to pipe earthing ?
Answer
B. Copper plate
24
What is the reason for pouring water in the earth pit at repeated intervals ?
Answer
A. for lower earth resistance
25
Select the standard (BIS - from the year 1991) specification of a pug socket connected in AC ?
Answer
B. 240 V, 6 A
26
What type of insulating material is used for making the neutral link ?
Answer
C. Porcelain
27
The latest version of switches in switch board among the following
Answer
C. Modular switch
28
What is the expansion of the term 'MCCB' ?
Answer
D. Molded Case Circuit Breaker
29
What is the use of RCCB ?
Answer
A. Protect the human being from shock
30
How many earth connections should be done in a 10 Hp squirrel cage induction motor as per IE (Indian Electricity) rule ?
Answer
A. Two
31
'Water' belongs to which type of magnetic material ?
Answer
B. Dia magnetic material
32
'There are three principle method of magnetizing a material'. Which of the following is not a method of magnetizing a material ?
Answer
C. Drop method
33
Choose the wrong statement from the following about magnetic property.
Answer
D. If heated the strength of the magnet will increases
34
'Right hand grip rule' can be used to determine
Answer
A. Direction of magnetic field
35
'Hold the thumb, fore finger and middle finger of the right hand in mutually perpendicular'. In which rule this statement belongs to ?
Answer
B. Fleming's right hand rule
36
What is the unit of reluctance ?
Answer
D. Ampere Turns/Weber
37
In which type of capacitors made in the form of stacked arrangement ?
Answer
Question Cancelled
38
How materials dissipate the energy due to hysteresis loss ?
Answer
D. Appears in the form of heat
39
Among the following factors, which one is not determine the inductance ?
Answer
B. Weight of the coil
40
The name which indicates the opposition offered to flow the current by a capacitor ?
Answer
C. Capacitive reactance
41
What is the frequency of pure direct current in hertz ?
Answer
B. Zero
42
How can define the Form factor of an alternating supply ?
Answer
A. The ratio of effective value to average value of a half cycle
43
Why a circuit with pure inductance alone can never be formed ?
Answer
B. Connecting wires and the inductors all have some resistance
44
What is the theoretical value of power factor for a circuit containing pure resistance only ?
Answer
D. One
45
Why in the case of pure inductive circuit the power factor is zero ?
Answer
B. The angle between the current and voltage is 90°
46
Choose correct equation for power factor. Here 'R' denotes for Resistance, 'V' denotes for Voltage and 'Z' denote for Impedance.
Answer
C. Power factor, cosΦ = R/Z
47
In star connection, Line voltage =
Answer
B. √3 × Phase voltage
48
Choose the correct answer regarding to the supply system can be produce rotating magnetic field.
Answer
D. Both three phase alternating supply and double phase alternating supply
49
In secondary of a distribution transformers, have their three coils inter connected in _____________ connection.
Answer
A. Star
50
What is the most convenient distribution system for electrical energy distribution system, widely used in Kerala State for Domestic Connection ?
Answer
B. 415/240 V, Three phase four wire system
51
The number of diodes required for a bridge rectifier
Answer
C. 4
52
The process of conversion AC to DC is called
Answer
B. Rectification
53
Zener diode is mostly used as
Answer
D. Voltage regulator
54
The advantage of a JFET is
Answer
C. High input impedance
55
A JFET can operate in
Answer
A. Depletion mode only
56
The ripple factor of full wave rectifier is
Answer
B. 0.48
57
An SCR is a
Answer
C. PNPN device
58
UJT is also called a
Answer
D. Voltage controllable device
59
The process of adding impurities to a semi conductor is known as
Answer
A. Doping
60
The control parameter of JFET is
Answer
B. Gate voltage
61
The armature of a DC generator is laminated to
Answer
A. Reduce eddy current losses
62
The split rings are made of
Answer
D. Hard drawn copper
63
The type of winding used in machines having low current and high voltage capacity is
Answer
A. Wave winding
64
In DC generators armature reaction is produced actually by
Answer
C. Load current in armature
65
The type of generator used for charging battery is
Answer
B. Shunt generator
66
For high starting torque which type of DC motor is used ?
Answer
A. Series motor
67
The maximum power output for DC motor is at
Answer
B. E_b = V/2
68
In wardleonard method of speed control the DC motor is
Answer
B. Separately excited motor
69
The function of the starter in a DC machine is
Answer
C. To avoid excessive current at starting
70
Which type starter is used for starting DC series motor ?
Answer
D. Two point starter
71
The maximum speed of a four pole alternator at a frequency of 50 Hz will be
Answer
C. 1500 rpm
72
Crawling occurs in induction motors are due to
Answer
B. Harmonics developed in the motor
73
Which motor is one which operates on AC and DC supply ?
Answer
D. Universal motor
74
In a shaded pole single phase motor the revolving field is produced by the use of
Answer
C. Shading coils
75
Alternators are rated in
Answer
A. KVA
76
Rotor of an induction motor runs always
Answer
B. At less than synchronous speed
77
Turbo alternators usually have
Answer
C. 2 poles
78
Starting capacitor of a single phase motor is
Answer
A. Electrolytic capacitor
79
In star delta starter of an induction motor
Answer
C. Applied voltage per phase is 57.8% of the line voltage
80
Hunting in alternator is prevented by using
Answer
D. Damper winding
81
Efficiency of a power transformer is of the order of
Answer
B. 98%
82
The principle of working of a transformer is
Answer
A. Mutual induction
83
The path of the magnetic flux in a transformer has
Answer
C. Low reluctance
84
Power transformers are designed to have maximum efficiency at
Answer
D. Near full load
85
Dielectric strength of a transformer oil is measured in
Answer
A. Kilo volt/mm
86
The short circuit test in the transformer is used to determine
Answer
C. The copper loss at any load or at full load
87
The purpose of breather in a transformer is
Answer
D. To absorb moisture from air
88
Buchholz relay is placed
Answer
B. In between the tank and the conservator
89
An autotransformer is mainly used as a
Answer
A. Voltage regulating transformer
90
Transformer is used to change the values of
Answer
C. Voltage
91
Continuity of an electrical circuit is usually checked by
Answer
B. Ohmmeter
92
Which of the following is an absolute instrument ?
Answer
A. Tangent galvanometer
93
The disadvantage of gravity control method is that it is
Answer
C. Kept in vertical position
94
The speed of an energy meter can be controlled by
Answer
D. Braking magnet
95
The material used for making springs for spring control instrument is
Answer
A. Phosphor bronze
96
Instrument transformer works on the principle of
Answer
B. Mutual induction
97
Under voltage relays are mostly used for
Answer
Question Cancelled
98
Cross arm is fixed to the pole is to
Answer
B. Fix the insulator
99
The depth of pole below the ground level on a normal soil should be __________ of the height of the pole.
Answer
C. 1/6th
100
In nuclear power plant a moderator is used to
Answer
D. Slow down neutrons
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