Wireman 1st year mcq
Wireman – Semester 2 Module 3 – Domestic Wiring Practice
56 : What is the name of wiring system that enables the appliances connected to the system to have the same voltage?
A : Distribution system
B : Tree system
C : Ring main system
D : Looping out from switch
57 : Which diagram indicates the Up and Down cable run and number of wires in the run?
A : Installation plan
B : Layout diagram
C : Circuit diagram
D : Wiring diagram
58 : Which type of wiring system requires special sockets or plug with fuse?
A : Tree system
B : Ring main system
C : Distribution board system
D : Looping from ceiling rose
59 : Which type of wiring system is suitable for multistorey building?
A : Tree system
B : Ring main system
C : Distribution board system
D : Looping out with junction box
60 : What is the standard size of GI earth wire in domestic installation?
A : 8 SWG
B : 10 SWG
C : 12 SWG
D : 14 SWG
61 : Which size of copper wire is used for lighting circuit?
A : 1 sq mm
B : 1.5 sq mm
C : 2.5 sq mm
D : 4 sq mm
62 : Which type of light fittings are used for outdoor lighting purpose?
A : Bracket fitting
B : Bulk head lamp fitting
C : Water proof light fitting
D : Chain lamp fixture
63 : Which type of filler material is used after making holes?
A : Paper
B : Asbestos
C : Cotton
D : Clay
64 : What is the name of wiring circuit?
A : Tunnel wiring
B : Corridor wiring
C : Hostel wiring
D : Hospital wiring
65 : Which is four terminal switch?
A : One way switch three poles
B : Mult position switch single pole
C : Two way switch
D : Intermediate switch
66 : How many numbers of single way switch and two way switches are required for godown wiring with 5 lamps?
A : 2 single way & 3 two way
B : 4 single way & 1 two way
C : 1 single way & 4 two way
D : 3 one way & 2 two way
67 : How many two way switches are required to control one lamp from 3 different places?
A : 100.00%
B : 200.00%
C : 300.00%
D : 400.00%
68 : What is the name of wiring if one lamp controlled from two different places?
A : Go down wiring
B : Tunnel wiring
C : Stair case wiring
D : Hostel wiring
69 : Which diagram informs the reader about design of circuit without giving any information on the circuit itself?
A : Circuit diagram
B : Installation diagram
C : Layout diagram
D : Wiring diagram
70 : Which diagram indicates the physical position of accessories and final appearance of Installation?
A : Installation plan
B : Layout diagram
C : Circuit diagram
D : Wiring diagram
71 : Which wiring circuit needs to switchON a lamp ahead, while the light behind is putOFF?
A : Staircase wiring
B : Godown wiring
C : Tunnel wiring
D : Corridor wiring
72 : Which wiring circuit is provided with one switch to operate ON or OFF all lights?
A : Tunnel wiring
B : Godown
C : Hostel wiring
D : Corridor wiring
73 : What is the purpose of circuit diagram in wiring installation?
A : Indicates with symbols and details of wiring method
B : It explains the function of various accessories
C : Represent physical position of accessories
D : Gives final appearance of installation
74 : Which material is used to make raw tool holder?
A : Carbon steel
B : Mild steel
C : Galvanized iron
D : Iron
75 : Which tool is used along with a hammer to make through hole in walls during wiring?
A : Pipe jumper
B : Rawl jumper
C : Cold chisel
D : Firmer chisel
76 : Which material is used for making the pipe jumper?
A : Mild steel
B : High carbon steel
C : Galvanized iron
D : Cast iron
77 : Which tool is used to make holes in the brick and concrete walls?
A : Rawl Jumper
B : Brawdle
C : Web chisel
D : Cold chisel
78 : How to avoid the broken of Rawl tool bit while making hole on the wall?
A : It should be kept at right angle to the wall surface
B : It should be kept less than 90° angle to the wall surface
C : Rawl tool bit is to be properly fitted
D : By using correct size of rowl tool bit
79 : How many numbers of single way switch and two way switch are required for Hostel wiring with 3 lamps?
A : 2 single way & 3 two way
B : 4 single way & 1 two way
C : 1 single way & 3 two way
D : 3 one way & 2 two way
80 : How many light, fan and 6A socket outlet points are recommended for a sub-circuit as per IE rule?
A : 7 Nos
B : 10 Nos
C : 12 Nos
D : 14 Nos
81 : Which is the height of horizontal run of cables as per NE code in domestic wiring?
A : 1.0 m
B : 1.5 m
C : 2.0 m
D : 2.5 m
82 : What is the recommended height of socket outlet from the floor level as per BIS?
A : 1.3 m
B : 2.0 m
C : 2.5 m
D : 3.0 m
83 : Which helps the wireman and the consumer to select the materials for wiring?
A : Estimation
B : Drawing
C : Specifications
D : Cost of material
84 : Which factor is to be considered for selection of supply (Single (or) 3 phase) for wiring?
A : Connected load
B : Type of building
C : Type of wiring system
D : Size of cables
85 : What is the name of vice?
A : Bench vice
B : Carpenter vice
C : Pipe vice
D : Hand vice
86 : What is the minimum size of rigid steel conduit used for surface conduit wiring?
A : 12 mm diameter
B : 14 mm diameter
C : 16 mm diameter
D : 19 mm diameter
87 : What is the maximum threads needed to accommodate the pipes to the full threaded portion of accessories?
A : Between 1 mm to 5 mm long
B : Between 6 mm to 10 mm long
C : Between 8 mm to 16 mm long
D : Between 11mm to 27 mm long
88 : Which tool is used for cutting thread on the conduit pipe?
A : Solid tap wrench
B : Double ended adjustable tap wrench
C : Stock and die set
D : T-handle tap wrench
89 : What is the distance between the floor and distribution board as per IE rule in domestic wiring?
A : 2 m
B : 2.5 m
C : 3 m
D : 3.5 m
90 : What is the clear distance between teak wood board and the cover of Hinged type boards?
A : 1.0 cm
B : 1.5 cm
C : 2.0 cm
D : 2.5 cm
91 : Which is represented by the BIS symbol?
A : Wattmeter
B : Single phase energy meter
C : 3 phase energy meter
D : Power factor meter
92 : What precaution is to be followed before installing energy meter?
A : It should have name plate details
B : Readings on the display must be readable
C : It should be tested and approved by the local EB authorities
D : It must have atleast 2 years warranty period
93 : What is the name of part marked as X ?
A : Energy meter
B : I C cut out
C : Main Switch
D : Distribution board
94 : Which is the minimum clearance between the bottom point of the ceiling fan and the floor as per IE Rule?
A : 1.2 m
B : 1.8 m
C : 2.4 m
D : 3.2 m
95 : What is the resistance value of earth continuity conductor?
A : Higher than 1 ohm to 10 ohm
B : Should not be more than one ohm
C : Greater than 10 ohm to 100 ohm
D : Greater than 100 ohm
96 : Which is the length of pipe electrode used for pipe earthing?
A : Not less than 1 m
B : Not less than 1.5 m
C : Not less than 2.0 m
D : Not less than 2.5 m
97 : What is the thickness of copper plate used for plate earthing?
A : Not less than 2.0 mm
B : Not less than 2.5 mm
C : Not less than 3.15 mm
D : Not less than 6.5 mm
98 : Which method is preferred to reduce the value of earth resistance?
A : By increasing the dia of pipe
B : Connecting number of earth electrode in parallel
C : By increasing the depth of earth pit
D : By connecting insulated cables
99 : Where system earthing is employed?
A : Commercial buildings
B : Industries
C : Generating station
D : Domestic buildings
100 : Where plate earthing is used?
A : Commercial building
B : Substations
C : Industries
D : Multistoried buildings
101 : What is the permissible leakage current in any wiring installation as per IE rule?
A : Not exceed 1/50th part of full load current
B : Not exceed 1/500th part of full load current
C : Not exceed 1/5000th part of full load current
D : Not exceed 1/50000th part of full load current
102 : Which range of megger is to be used to test the insulation resistance in medium voltage wiring installation as per BIS-732?
A : 500 Volt
B : 1000 Volt
C : 1500 Volt
D : 2000 Volt
