Wireman 1st year mcq
Wireman – Semester 2 Module 2 – Electrical Wiring System
24 : What is the name of wiring?
A : CTS/TRS wiring
B : Cleat wiring
C : PVC casing & Capping wiring
D : PVC conducit wiring
25 : Which diagram represents the physical position of accessories in the wiring installation?
A : Wiring diagram
B : Schematic diagram
C : Installation plan
D : Layout diagram
26 : Which wiring can be done either on surface (or) on concealed in the wall?
A : Cleat wiring
B : Batten wiring
C : Pvc conduit wiring
D : Pvc casing & Capping wiring
27 : What is the expansion of abbreviation TRS?
A : Total Rubber Sheathed
B : Tough Rubber Sheathed
C : Tyre Round Sheathed
D : Total rough sheathed
28 : What is the name of illustration?
A : Layout diagram
B : Circuit diagram
C : Installation plan
D : Wiring diagram
29 : How many outlet points are recommended in power sub-circuit as per BIS?
A : 1 point
B : 2 points
C : 3 points
D : 4 points
30 : What is maximum power recommended to the light and fan sub circuit as per IE rules?
A : 3000 watts
B : 1500 watts
C : 800 watts
D : 750 watts
31 : What is the recommended minimum height of socket outlet shall be provided in the bathroom?
A : 130 cm
B : 140cm
C : 150cm
D : 200cm
32 : Which is represented by the BIS symbol?
A : Fuse
B : Link
C : Resistor
D : Plug and jocket
33 : What is the name of the fuse?
A : Ferrule contact cartridge fuses
B : High rupturing capacity fuses
C : Diazed screw type cartridge fuses
D : Rewirable fuses
34 : What is the name of term that the time taken by a fuse to interrupt the circuit in the event of fault?
A : Fusing current
B : Fusing factor
C : Cut off factor
D : Current rating
35 : Which is used to quench the arc quickly without any fire hazard?
A : Dry sand
B : Lime powder
C : Graphite
D : Silica
36 : Which type of fuse is used for electronic circuits?
A : Ferrule contact cartridge fuses
B : Re wireable type fuses
C : HRC fuses
D : Diazed screw type cartridge fuses
37 : Why the foot contacts of the fuse cartridges have different diameters for each rated current?
A : To increase the current rating
B : To increase the contact area
C : To reduce the rating effect
D : To prevent the insertion of wrong current rated cartridges
38 : Which is the minimum thickness of teak wood batten used for wiring?
A : Not less than 5 mm
B : Not less than 8 mm
C : Not less than 10 mm
D : Not less than 12 mm
39 : What is the name of teak wood joint?
A : Cross joint
B : Corner joint
C : Cross bridge joint
D : L Joint
40 : How the size of teak wood battens are specified?
A : Width and length
B : Thickness and length
C : Width and thickness
D : Length only
41 : Which type of joint is used to run the wires from horizontal position to the vertical position either down wards (or) upwards in T.W batten wiring?
A : Half lap ʺTʺ joint
B : Straight joint
C : Corner joint
D : L joint
42 : What is the length of over lapping is to be provided for jointing 25 mm width batten in straight joint of T.W. batten?
A : 19 mm
B : 25 mm
C : 30 mm
D : 40 mm
43 : Which type of joint is used to extent the length of T.W batten?
A : Cross joint
B : Corner joint
C : Straight joint
D : ʺLʺ Joint
44 : What is the name of pvc conduit accessory?
A : Solid elbow
B : Solid TEE
C : Solid bend
D : Coupler
45 : Which conduit fitting is used to join additional conduit pipe in long run of conduit wiring?
A : Bend
B : Elbow
C : Tee
D : Coupler
46 : What is the name of coupler?
A : Screwed coupler
B : Check nut running coupler
C : Coupling for flexible conduit
D : PVC conduit coupler
47 : Which type of wiring require less number of bends can be taken through shortcut route in the roof?
A : Battern wiring
B : Casing capping wiring
C : Surface conduit wiring
D : Concealed conduit wiring
48 : What is the advantage of concealed wiring?
A : The cost of installation is low
B : Easy to trace the fault
C : Semi skilled technician can carryout the wiring
D : Wiring can be done through the shortest route
49 : Which wiring has to be planned and executed only during the construction of building?
A : CTS wiring
B : Casing and capping wiring
C : Surface conduit wiring
D : Concealed wiring
50 : Which wiring is named as Wireways?
A : PVC conduct wiring
B : CTS Wiring
C : PVC casing and capping wiring
D : Metal conduct wiring
51 : How to attach the capping cover with casing (channel) after completion of wiring in PVC casing and capping system?
A : By wood screws
B : By wire nails
C : By fixing clamp
D : By sliding the capping through the grooves
52 : Which is the disadvantage of PVC casing and capping wiring?
A : Cost is more
B : Inflammable and risk of fire
C : Requires skilled man power
D : Extension not possible
53 : Which is the distance that the clips to be fixed on TW batten on horizontals run in the battern wiring?
A : 8 cm
B : 10 cm
C : 12 cm
D : 15 cm
54 : Which is the correct size of drill for making pilot holes for 6 mm diameter screw shank?
A : 2 mm
B : 4 mm
C : 6 mm
D : 8 mm
55 : What is the depth of pilot hole for fixing wood screw in soft wood?
A : Equal to ¼ screw length
B : Equal to ½ screw length
C : Equal to ¾ screw length
D : Equal to screw length
