| Post Name | Electrician- cum- Mechanic - Department Medical Education. |
|---|---|
| Question Paper Code | 118/2023/OL |
| Category Code | 503/2019 |
| Date of Test | 20 July 2023 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
What is the meaning of safety?
Answer
D. Freedom or protection from harm, danger, etc
2
Which artiļ¬cial respiration method is to be performed to the victim with injuries in the chest, belly and mouth?
Answer
A. Mouth to nose method
3
What is the goal of the occupational health safety?
Answer
B. To provide a safe work environment
4
Which one is the example for mechanical hazard?
Answer
A. No fencing
5
In which category of PPE, the respiratory protective equipment will belong?
Answer
B. PPE 3
6
Which type of safety sign is having circular shape with white colour symbol on the blue back ground?
Answer
B. Mandatory signs
7
What is Smothering of ļ¬re?
Answer
C. Isolating the supply of oxygen from ļ¬re
8
How can the ļ¬re as wood or clothes can be extinguished by using water?
Answer
D. It must be sprayed on the base of the ļ¬re and gradually move upwards
9
If the electric shocked victim is unconscious but is breathing, what immediate action to be taken?
Answer
C. Loosen the clothing about the neck, chest and waist
10
Which waste is used as a fuel for the Bio-gas power plant?
Answer
D. Waste produced by the men and animal
11
How many number of electrons will move in one second for one ampere current through the conductor?
Answer
B. 6.24 Ć 10Ā¹āø
12
The measure of potential diļ¬erence in the insulation layer can with stand without breaking down called as
Answer
B. Dielectric strength
13
How many valence electrons are in a copper atom?
Answer
D. 1
14
When steady current (DC) passes through a solution of silver nitrate in water, deposits silver at the rate of 1.118 mg per second at the cathode is called
Answer
C. International Ampere
15
What is the property of good conductor?
Answer
A. Must have low speciļ¬c resistance
16
The process, in which the tip of the soldering iron is coated with the solder is known as
Answer
D. Tinning of soldering iron
17
What is the eļ¬ect in resistance of the conductor, if its diameter is doubled?
Answer
D. Decrease to 1/4th value
18
What is the name of imaginary lines which are perpendicular to the magnetic axis and passes through the centre of the magnet?
Answer
C. Magnetic neutral axis
19
How the hard sulphation defect in lead acid battery can be rectiļ¬ed?
Answer
C. By trickle charge
20
What is the average value for voltage (V_av), if the maximum value is V_m?
Answer
D. V_av = 0.637V_m
21
For which type of ļ¬re, the foam ļ¬re extinguisher is most suitable?
Answer
B. Class 'B' ļ¬res
22
What is the expansion of ABC in ļ¬rst aid treatment?
Answer
D. Airway Breathing Circulation
23
Which device in a control panel the operations in sequential control system?
Answer
B. Timer
24
B.O.P in DC Drive means
Answer
C. Basic Operational Panel
25
In Panel board, which device protect the motor from overload and over heating?
Answer
C. Thermal relay
26
The Diversity Factor helps to determine
Answer
C. Plant Capacity
27
220KV transmission line, voltage is economical for a distance of
Answer
D. 200 KM
28
Which turbine is used for low head and large discharge?
Answer
C. Kaplan turbine
29
The function of moderator in a nuclear reactor is
Answer
C. to slow down the neutrons
30
Which control system is used for Eddy current drives?
Answer
A. Slip controller
31
What is IGBT in VF drive?
Answer
A. Inverter switching device
32
How the contacts in a contactor can be engaged for working?
Answer
D. By operating electromagnet to change the position
33
In a DC generator, on doubling the supply frequency, the eddy current will
Answer
C. Become four times of their former value
34
Brushes of a DC generator are always placed along the
Answer
B. Magnetic neutral axis
35
Which type of motor is used in elevators?
Answer
B. Cumulatively compound motor
36
Speed control by variation of ļ¬eld ļ¬ux result in
Answer
D. Constant power drive
37
Armature reaction in a DC Generator increases with
Answer
C. Armature current
38
The induction motor has lagging power factor during
Answer
C. Both starting and running
39
The single phase series motor can operate on
Answer
C. Both AC and DC
40
What is the cause for hunting eļ¬ect in alternators?
Answer
C. Due to continuous ļ¬uctuation in load
41
Which is high eļ¬ciency converter?
Answer
D. SCR converter
42
Why the synchronous motor fails to run at synchronous speed?
Answer
C. Insuļ¬cient excitation
43
What is the characteristic of an ideal voltage ampliļ¬er with respect to the input and output impedence?
Answer
D. High input and low output impedence
44
The current ļ¬owing through each diode of a bridge rectiļ¬er is equal to
Answer
C. Same as the load current
45
Which electronic circuit generates A.C. signal without input?
Answer
B. Oscillator circuit
46
Which is a passive component?
Answer
B. Capacitor
47
What is the purpose of Diac in power control circuit?
Answer
B. For triggering
48
The internal power supply units of CPU is
Answer
C. SMPS
49
Which type of transformer does not isolate the secondary?
Answer
A. Auto transformer
50
A megabyte contains
Answer
B. 1024 KB
51
Why the load is disconnected before the oļ¬oad tap changing operation of a transformer?
Answer
C. To avoid heavy sparking at the contact point
52
Full form of USB
Answer
C. Universal Serial Bus
53
Which marking media takes more time for drying?
Answer
B. Prussian Blue
54
In a ļ¬exible hacksaw blade which portion is hardened
Answer
C. Teeth
55
The point angle for chipping mild steel is
Answer
A. 55 degree
56
The range of clearance angle in a drill
Answer
D. 8 to 12 degree
57
For which purpose a reamer is used
Answer
B. Enlarging and ļ¬nishing previously drilled holes
58
The least count of a vernier height gauge
Answer
C. 0.02 mm
59
Telescopic gauges are available in a set of
Answer
C. 5 nos
60
In a micrometer the anvil is made of
Answer
D. Alloy steel
61
Which mechanism is used to convert the linear motion of the plunger in a Dial test indicator
Answer
A. Rack and pinion
62
What is the zero reading of a 25-50 cm of an outside micrometer
Answer
B. 25 mm
63
The angle of a V thread
Answer
C. 60 degree
64
Which types of threads are used in Lead screw of machine tools?
Answer
C. Acme thread
65
In single start threads
Answer
B. Lead and pitch are equal
66
Bevelling the start of existing hole is called
Answer
A. Counter sinking
67
The distance a drill advances into the job in one complete revolution is known as
Answer
D. Feed
68
What is the advantages of a Radial drilling machine
Answer
B. Spindle can be brought to any position
69
Which one of the following is not the part of a Centre lathe
Answer
C. Feed rod
70
Which materials is used to make lathe bed
Answer
A. Cast iron
71
The included angle of live centre used in the lathe
Answer
D. 60 degree
72
The use of chip breaker in lathe is
Answer
B. Break the chips
73
In lathe machine face plate is held at
Answer
D. Head stock spindle
74
The size of a 3 jaw chuck is speciļ¬ed by
Answer
C. Diameter of the body of chuck
75
The sliding surface of the lathe bed are
Answer
B. Case hardened
76
The method of facing to bring the work against the rotation of the cutter is
Answer
A. Up milling
77
The milling cutter having teeth only on periphery?
Answer
B. Plain or slab milling
78
The operation of dividing the circumferences of a work its equally spaced division is
Answer
C. Indexing
79
Milling operation to produce surface on both side of a work by mounting two side milling cutter on the same arbor is
Answer
B. Straddle milling
80
Helical gear can be cut on following type of milling machine?
Answer
C. Universal milling machine
81
Milling cutter are mounted on a part called?
Answer
A. Arbor
82
The standard taper using milling machine spindle is
Answer
C. Brown and sharp
83
The ability of a material is to be drawn wire?
Answer
C. Ductility
84
The method of heat treatment to reduce internal stresses of a hardend tool is
Answer
B. Tempering
85
The strength of the bond is indicated by?
Answer
B. Grade
86
The grinding wheel used for grinding high tensil strength materials like steel?
Answer
A. Aluminium Oxide
87
The removing of clogs and blunt abrasive grains from a grinding wheel is called
Answer
B. Dressing
88
In grinding wheel speciļ¬cation 35A54K6V9, the letter V indicates?
Answer
B. Bond
89
The alphabet E indicates which bond
Answer
D. Shellac bond
90
Glazing in grinding wheel refers to
Answer
A. Grinding wheel develops shining appearance
91
G04 is a code used for
Answer
B. Dwell time
92
Mode used in CNC to feed access manually is?
Answer
A. Jog mode
93
Function of M06 in part programming is?
Answer
B. Tool change
94
Which control system provided with feedback?
Answer
B. Closed loop
95
The axis moving up and down in VMC?
Answer
C. Z
96
In the block G01X30ZF120S1000 F stands for?
Answer
C. Feed
97
If tolerance is provided on the side of the basic dimension, it is called?
Answer
B. Unilateral tolerance
98
The diļ¬erence between the maximum and minimum sizes in component manufacturing is?
Answer
C. Tolerance
99
The temperature at which oil catches the ļ¬re?
Answer
D. Fire point
100
Coolant used for machining cast iron?
Answer
A. No coolant
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