WIREMAN
WIREMAN MCQs
1:-60 Km/hr into m/sec is
A:-10.66 m/sec B:-12.66 m/sec C:-14.66 m/sec D:-16.66 m/sec
Ans: D
2:-The property of material to be drawn into thin sheets without fracture is
A:-Ductility B:-Malleability C:-Machinability D:-None of these
Ans: B
3:-The multiplication 0.1 × 0.001 is equal to
A:-0.1 B:-0.01 C:-0.001 D:-0.0001
Ans: D
4:-Multiply 6/13 by the reciprocal of 9/16 is equal to
A:-96/117 B:-32/39 C:-54/208 D:-None of these
Ans: B
5:-The rate of change of position in a particular direction is called
A:-speed B:-velocity C:-acceleration D:-none of these
Ans: B
6:-One gallon is
A:-1.546 litres B:-2.546 litres C:-3.546 litres D:-4.546 litres
Ans: D
7:-Sin`theta` is equal to
A:-Opposite side / adjecent side B:-Adjecent side / hypotenus C:-Opposite side / hypotenus D:-None of these
Ans: C
8:-The value of 1/tan45 is equal to
A:-0 B:-1 C:-45 D:-1/45
Ans: B
9:-The amount of matter in a body is called
A:-mass B:-weight C:-density D:-none of these
Ans: A
10:-Heat is a form of
A:-Work B:-Power C:-Energy D:-None of these
Ans: C
11:-Conventional representation of 1st angle and 3rd angle projection includes
A:-Two eccentric circles B:-Two concentric circles C:-Two circle of same diameter D:-None of these
Ans: B
12:-700×500×15 mm drawing board designated by
A:-`"D_0"` B:-`"D_1"` C:-`"D_2"` D:-`"D_3"`
Ans: C
13:-594×841 trimmed size of drawing sheet designated by
A:-`"A_0"` B:-`"A_1"` C:-`"A_2"` D:-`"A_3"`
Ans: B
14:-In 3rd angle projection the Top view (plan) is drawing
A:-Right side of elevation B:-Left side of elevation C:-Below the elevation D:-Above the elevation
Ans: D
15:-In 1st angle projection the end view from right side of an object is drawing
A:-Right side of elevation B:-Left side of elevation C:-Right side of plan D:-Left side of plan
Ans: B
16:-The colour of neutral wire of a cable is
A:-Red B:-Yellow C:-Orange D:-Black
Ans: D
17:-The angle of isometric axis is
A:-270° B:-120° C:-360° D:-130°
Ans: B
18:-The number of a pentagon is
A:-3 B:-4 C:-5 D:-6
Ans: C
19:-The isometric view of a circle is
A:-Parabola B:-Ellipse C:-Triangle D:-Rectangle
Ans: B
20:-The length of an arrow head is
A:-Same as width B:-Two times of width C:-Three times of width D:-Four times of width
Ans: C
21:-How is an ammeter connected in a circuit?
A:-Parallel B:-Series C:-Series - parallel D:-None of these
Ans: B
22:-BOT unit is _________
A:-Joule B:-Newton C:-KWh D:-Watt
Ans: C
23:-The temp. resistance coefficient is represented in the form of
A:-ohm/ohm B:-ohm/°c C:-ohm/ohm/°c D:-None of these
Ans: C
24:-Ohm is the unit of
A:-Resistance B:-Capacitive reactance C:-Inductive reactance D:-All of the above
Ans: D
25:-3 resistors are connected in series across a 27V supply. The second resistor has twice the resistance of the first. The third one has three times the resistance of the second. Find the voltage across the third resistance
A:-3V B:-6V C:-9V D:-18V
Ans: D
26:-A safety sign circular in shape, white symbol on blue background is a
A:-Prohibition sign B:-Mandatory sign C:-Warning sign D:-Information sign
Ans: B
27:-Respiratory protective equipment comes under
A:-PPE 3 B:-PPE6 C:-PPE1 D:-PPE7
Ans: A
28:-Gas and liquefiable gases come under _________ class of fire.
A:-Class D B:-Class C
C:-Class B D:-Class A
Ans: B
29:-The saw used for cutting thin wooden accessories like wooden batten round blocks casing capping etc. is
A:-Handsaw B:-Hacksaw C:-Tenon saw D:-None of these
Ans: C
30:-The curved part of a file separating the tang from body is
A:-Face B:-Edge C:-Tang D:-Shoulder
Ans: D
31:-The angle of punch which is used for witness marks is
A:-60° B:-30° C:-45° D:-90°
Ans: A
32:-Arc heating occurs when the air between electrodes of opposite polarities become
A:-moistened B:-dry C:-ionised D:-none of the above
Ans: C
33:-_________ calipers are used for marking and layout works.
A:-Jenny calipers B:-Outside calipers C:-Inside calipers D:-Firm joint calipers
Ans: A
34:-EPROM stands for
A:-Electrically Programmable Read Only Memory B:-Erasable Programmable Read Only Memory
C:-Electrically Programmable Random Only Memory D:-Erasable Processors Read Only Memory
Ans: B
35:-A wire measuring 1mm diameter has a cross sectional area of ________
A:-1 mm^2 B:-1 cm^2 C:-0.78 mm^2 D:-0.87 mm2
Ans: C
36:-The torque producing movement of the pointer in an indicating instrument is
A:-deflecting B:-controlling C:-distracting D:-damping
Ans: A
37:-In an instrument the pointer comes slowly to its final deflected position if the instrument is ________ damped.
A:-not B:-over C:-critically D:-under
Ans: B
38:-An electrical circuit that has infinity resistance is called _________ circuit.
A:-an open B:-a short C:-a ground D:-either (2) or (3)
Ans: A
39:-No. of light points admissible in one circuit are
A:-4 points of 400w each B:-4 points of 600w each C:-8 points of 100w each D:-8 points of 200w each
Ans: C
40:-No. of screws to be used for fixing a round block
A:-1 No B:-2 Nos C:-3 Nos D:-4 Nos
Ans: B
41:-In this wiring, to operate 3 lamps in all we require 6 two-way switches is
A:-Godown wiring B:-Tunnel wiring C:-Hostel wiring D:-Corridor wiring
Ans: D
42:-Size of copper plate electrode for plate earthing is
A:-60×60 cm×6.3 mm B:-60×60 cm×3.15 mm C:-30×30 cm×6.3 mm D:-30×30 cm×3.15 mm
Ans: B
43:-The unit of luminous flux is
A:-lumen B:-candle power C:-lux D:-meter candle
Ans: A
44:-To increase the range of an ammeter ________ is used.
A:-C.T. B:-multiplier C:-shunt D:-P.T.
Ans: C
45:-Extension of MS Word file is
A:-.doc B:-.xls C:-.text D:-.ppt
Ans: A
46:-Which one of the following is a basic unit of MS Excel?
A:-Row B:-Column C:-Cell D:-Word
Ans: C
47:-Isolation of fire from the supply of oxygen by blanketing it with foam, sand etc. comes under which fire extinguishing method A:-Starving B:-Smothering C:-Cooling D:-Blanketing
Ans: B
48:-Edison screw type lamp holders are used for lamp with _________ wattage range.
A:-above 600 w B:-upto 200 w C:-above 200 w below 600 w D:-above 200 w below 300 w
Ans: D
49:-To increase the ampere hour rating, the cells are to be connected in
A:-parallel B:-series parallel C:-parallel series D:-series
Ans: A
50:-"Don't try to stop a running machine with hands" comes under
A:-General safety B:-Personal safety C:-Machine safety D:-Social safety
Ans: B
A:-10.66 m/sec B:-12.66 m/sec C:-14.66 m/sec D:-16.66 m/sec
Ans: D
2:-The property of material to be drawn into thin sheets without fracture is
A:-Ductility B:-Malleability C:-Machinability D:-None of these
Ans: B
3:-The multiplication 0.1 × 0.001 is equal to
A:-0.1 B:-0.01 C:-0.001 D:-0.0001
Ans: D
4:-Multiply 6/13 by the reciprocal of 9/16 is equal to
A:-96/117 B:-32/39 C:-54/208 D:-None of these
Ans: B
5:-The rate of change of position in a particular direction is called
A:-speed B:-velocity C:-acceleration D:-none of these
Ans: B
6:-One gallon is
A:-1.546 litres B:-2.546 litres C:-3.546 litres D:-4.546 litres
Ans: D
7:-Sin`theta` is equal to
A:-Opposite side / adjecent side B:-Adjecent side / hypotenus C:-Opposite side / hypotenus D:-None of these
Ans: C
8:-The value of 1/tan45 is equal to
A:-0 B:-1 C:-45 D:-1/45
Ans: B
9:-The amount of matter in a body is called
A:-mass B:-weight C:-density D:-none of these
Ans: A
10:-Heat is a form of
A:-Work B:-Power C:-Energy D:-None of these
Ans: C
11:-Conventional representation of 1st angle and 3rd angle projection includes
A:-Two eccentric circles B:-Two concentric circles C:-Two circle of same diameter D:-None of these
Ans: B
12:-700×500×15 mm drawing board designated by
A:-`"D_0"` B:-`"D_1"` C:-`"D_2"` D:-`"D_3"`
Ans: C
13:-594×841 trimmed size of drawing sheet designated by
A:-`"A_0"` B:-`"A_1"` C:-`"A_2"` D:-`"A_3"`
Ans: B
14:-In 3rd angle projection the Top view (plan) is drawing
A:-Right side of elevation B:-Left side of elevation C:-Below the elevation D:-Above the elevation
Ans: D
15:-In 1st angle projection the end view from right side of an object is drawing
A:-Right side of elevation B:-Left side of elevation C:-Right side of plan D:-Left side of plan
Ans: B
16:-The colour of neutral wire of a cable is
A:-Red B:-Yellow C:-Orange D:-Black
Ans: D
17:-The angle of isometric axis is
A:-270° B:-120° C:-360° D:-130°
Ans: B
18:-The number of a pentagon is
A:-3 B:-4 C:-5 D:-6
Ans: C
19:-The isometric view of a circle is
A:-Parabola B:-Ellipse C:-Triangle D:-Rectangle
Ans: B
20:-The length of an arrow head is
A:-Same as width B:-Two times of width C:-Three times of width D:-Four times of width
Ans: C
21:-How is an ammeter connected in a circuit?
A:-Parallel B:-Series C:-Series - parallel D:-None of these
Ans: B
22:-BOT unit is _________
A:-Joule B:-Newton C:-KWh D:-Watt
Ans: C
23:-The temp. resistance coefficient is represented in the form of
A:-ohm/ohm B:-ohm/°c C:-ohm/ohm/°c D:-None of these
Ans: C
24:-Ohm is the unit of
A:-Resistance B:-Capacitive reactance C:-Inductive reactance D:-All of the above
Ans: D
25:-3 resistors are connected in series across a 27V supply. The second resistor has twice the resistance of the first. The third one has three times the resistance of the second. Find the voltage across the third resistance
A:-3V B:-6V C:-9V D:-18V
Ans: D
26:-A safety sign circular in shape, white symbol on blue background is a
A:-Prohibition sign B:-Mandatory sign C:-Warning sign D:-Information sign
Ans: B
27:-Respiratory protective equipment comes under
A:-PPE 3 B:-PPE6 C:-PPE1 D:-PPE7
Ans: A
28:-Gas and liquefiable gases come under _________ class of fire.
A:-Class D B:-Class C
C:-Class B D:-Class A
Ans: B
29:-The saw used for cutting thin wooden accessories like wooden batten round blocks casing capping etc. is
A:-Handsaw B:-Hacksaw C:-Tenon saw D:-None of these
Ans: C
30:-The curved part of a file separating the tang from body is
A:-Face B:-Edge C:-Tang D:-Shoulder
Ans: D
31:-The angle of punch which is used for witness marks is
A:-60° B:-30° C:-45° D:-90°
Ans: A
32:-Arc heating occurs when the air between electrodes of opposite polarities become
A:-moistened B:-dry C:-ionised D:-none of the above
Ans: C
33:-_________ calipers are used for marking and layout works.
A:-Jenny calipers B:-Outside calipers C:-Inside calipers D:-Firm joint calipers
Ans: A
34:-EPROM stands for
A:-Electrically Programmable Read Only Memory B:-Erasable Programmable Read Only Memory
C:-Electrically Programmable Random Only Memory D:-Erasable Processors Read Only Memory
Ans: B
35:-A wire measuring 1mm diameter has a cross sectional area of ________
A:-1 mm^2 B:-1 cm^2 C:-0.78 mm^2 D:-0.87 mm2
Ans: C
36:-The torque producing movement of the pointer in an indicating instrument is
A:-deflecting B:-controlling C:-distracting D:-damping
Ans: A
37:-In an instrument the pointer comes slowly to its final deflected position if the instrument is ________ damped.
A:-not B:-over C:-critically D:-under
Ans: B
38:-An electrical circuit that has infinity resistance is called _________ circuit.
A:-an open B:-a short C:-a ground D:-either (2) or (3)
Ans: A
39:-No. of light points admissible in one circuit are
A:-4 points of 400w each B:-4 points of 600w each C:-8 points of 100w each D:-8 points of 200w each
Ans: C
40:-No. of screws to be used for fixing a round block
A:-1 No B:-2 Nos C:-3 Nos D:-4 Nos
Ans: B
41:-In this wiring, to operate 3 lamps in all we require 6 two-way switches is
A:-Godown wiring B:-Tunnel wiring C:-Hostel wiring D:-Corridor wiring
Ans: D
42:-Size of copper plate electrode for plate earthing is
A:-60×60 cm×6.3 mm B:-60×60 cm×3.15 mm C:-30×30 cm×6.3 mm D:-30×30 cm×3.15 mm
Ans: B
43:-The unit of luminous flux is
A:-lumen B:-candle power C:-lux D:-meter candle
Ans: A
44:-To increase the range of an ammeter ________ is used.
A:-C.T. B:-multiplier C:-shunt D:-P.T.
Ans: C
45:-Extension of MS Word file is
A:-.doc B:-.xls C:-.text D:-.ppt
Ans: A
46:-Which one of the following is a basic unit of MS Excel?
A:-Row B:-Column C:-Cell D:-Word
Ans: C
47:-Isolation of fire from the supply of oxygen by blanketing it with foam, sand etc. comes under which fire extinguishing method A:-Starving B:-Smothering C:-Cooling D:-Blanketing
Ans: B
48:-Edison screw type lamp holders are used for lamp with _________ wattage range.
A:-above 600 w B:-upto 200 w C:-above 200 w below 600 w D:-above 200 w below 300 w
Ans: D
49:-To increase the ampere hour rating, the cells are to be connected in
A:-parallel B:-series parallel C:-parallel series D:-series
Ans: A
50:-"Don't try to stop a running machine with hands" comes under
A:-General safety B:-Personal safety C:-Machine safety D:-Social safety
Ans: B
51:-The ripple factor of a power supply is a measure of
A:-Its voltage regulation B:-Diode rating C:-Its filter efficiency D:-Purity of power output
Ans: D
52:-The function of a commutator in a DC generator is
A:-To change DC to AC B:-To collect current from conductors C:-To change AC to DC D:-To conduct the current to the brushes
Ans: C
53:-The field coils of a DC generator are usually made of
A:-Carbon B:-Copper C:-Cast iron D:-Graphite
Ans: B 5
4:-In a two point starters the series resistors is required for
A:-To limit the starting current B:-Starting the motor C:-To limit the back emf D:-To give heavy current at starting
Ans: A
55:-In two watt meter method of measuring three phase power one of the wattmeter shows zero reading what would be the value of the power factor in this case
A:-1 B:-0.5 C:-zero D:-1.5
Ans: B
56:-Rotor of an induction motor runs always
A:-At synchronous speed B:-At more than synchronous speed
C:-At less than synchronous speed D:-In opposite direction to the field
Ans: C
57:-The difference between the synchronous speed and the actual rotor speed is called
A:-Fractional slip B:-Slip speed C:-Rotor speed D:-Actual rotor speed
Ans: B
58:-The slip of an induction motor will be low when
A:-Rotor Resistance is low B:-Friction loss is low C:-Windage loss is low D:-Rotor resistance is high
Ans: A
59:-The split rings are made of
A:-Brass B:-Gunmetal C:-Bronze D:-Hard drawn copper
Ans: D
60:-Which motor should not be started on no load?
A:-Shunt motor B:-Cumulative compound motor C:-Series motor D:-Differential compound motors
Ans: C
61:-The barrier potential for a silicon PN junction is _______V.
A:-0.3 V B:-0.7 V C:-0.2 V D:-0.5 V
Ans: B
62:-In which DC generator the armature and field current will be equal?
A:-Shunt B:-Long shunt compound C:-Short shunt compound D:-Series
Ans: D
63:-Which type of starter used to start both shunt and compound DC motor?
A:-Three pointer starter B:-Two point starter C:-DOL starter D:-Star-delta starter
Ans: A
64:-When the speed of alternator increases the frequency?
A:-Decreases B:-Increases C:-Remains same D:-None of the above
Ans: B
65:-Alternators are rated in
A:-KW B:-KWH C:-KVA D:-Full load current
Ans: C
66:-Most widely used transformer oil is
A:-Animal oil B:-Cooking oil C:-Vegetable oil D:-Mineral oil
Ans: D
67:-The line insulators are made up to
A:-Mica B:-Porcelain clay
C:-Asbestos D:-Ceramic
Ans: B
68:-Epoxy compound used with underground cable does not need
A:-Heating B:-Armouring C:-Insulation D:-Core
Ans: A
69:-The chemical used in breather is
A:-Copper sulphate B:-Sodium chloride C:-Silica gel D:-Potassium chloride
Ans: C
70:-Graphite is used in nuclear power plant as a
A:-Fuel B:-Coolant C:-Electrode D:-Moderator
Ans: D
71:-Which of the following power plants is free from environmental problems?
A:-Diesel engine B:-Nuclear power plant C:-Hydro electric power plant D:-Steam power plant
Ans: C
72:-Which type of insulator is used in stay wire?
A:-Egg type B:-Pin type C:-Shackle type D:-Suspension type
Ans: A
73:-Which of the following power plant has the maximum capital cost?
A:-Steam power plant B:-Nuclear power plant C:-Hydro electric power plant D:-Diesel power plant
Ans: B
74:-The working principle of a transformer is
A:-Static induction B:-Self induction C:-Mutual induction D:-None of the above
Ans: C
A:-Its voltage regulation B:-Diode rating C:-Its filter efficiency D:-Purity of power output
Ans: D
52:-The function of a commutator in a DC generator is
A:-To change DC to AC B:-To collect current from conductors C:-To change AC to DC D:-To conduct the current to the brushes
Ans: C
53:-The field coils of a DC generator are usually made of
A:-Carbon B:-Copper C:-Cast iron D:-Graphite
Ans: B 5
4:-In a two point starters the series resistors is required for
A:-To limit the starting current B:-Starting the motor C:-To limit the back emf D:-To give heavy current at starting
Ans: A
55:-In two watt meter method of measuring three phase power one of the wattmeter shows zero reading what would be the value of the power factor in this case
A:-1 B:-0.5 C:-zero D:-1.5
Ans: B
56:-Rotor of an induction motor runs always
A:-At synchronous speed B:-At more than synchronous speed
C:-At less than synchronous speed D:-In opposite direction to the field
Ans: C
57:-The difference between the synchronous speed and the actual rotor speed is called
A:-Fractional slip B:-Slip speed C:-Rotor speed D:-Actual rotor speed
Ans: B
58:-The slip of an induction motor will be low when
A:-Rotor Resistance is low B:-Friction loss is low C:-Windage loss is low D:-Rotor resistance is high
Ans: A
59:-The split rings are made of
A:-Brass B:-Gunmetal C:-Bronze D:-Hard drawn copper
Ans: D
60:-Which motor should not be started on no load?
A:-Shunt motor B:-Cumulative compound motor C:-Series motor D:-Differential compound motors
Ans: C
61:-The barrier potential for a silicon PN junction is _______V.
A:-0.3 V B:-0.7 V C:-0.2 V D:-0.5 V
Ans: B
62:-In which DC generator the armature and field current will be equal?
A:-Shunt B:-Long shunt compound C:-Short shunt compound D:-Series
Ans: D
63:-Which type of starter used to start both shunt and compound DC motor?
A:-Three pointer starter B:-Two point starter C:-DOL starter D:-Star-delta starter
Ans: A
64:-When the speed of alternator increases the frequency?
A:-Decreases B:-Increases C:-Remains same D:-None of the above
Ans: B
65:-Alternators are rated in
A:-KW B:-KWH C:-KVA D:-Full load current
Ans: C
66:-Most widely used transformer oil is
A:-Animal oil B:-Cooking oil C:-Vegetable oil D:-Mineral oil
Ans: D
67:-The line insulators are made up to
A:-Mica B:-Porcelain clay
C:-Asbestos D:-Ceramic
Ans: B
68:-Epoxy compound used with underground cable does not need
A:-Heating B:-Armouring C:-Insulation D:-Core
Ans: A
69:-The chemical used in breather is
A:-Copper sulphate B:-Sodium chloride C:-Silica gel D:-Potassium chloride
Ans: C
70:-Graphite is used in nuclear power plant as a
A:-Fuel B:-Coolant C:-Electrode D:-Moderator
Ans: D
71:-Which of the following power plants is free from environmental problems?
A:-Diesel engine B:-Nuclear power plant C:-Hydro electric power plant D:-Steam power plant
Ans: C
72:-Which type of insulator is used in stay wire?
A:-Egg type B:-Pin type C:-Shackle type D:-Suspension type
Ans: A
73:-Which of the following power plant has the maximum capital cost?
A:-Steam power plant B:-Nuclear power plant C:-Hydro electric power plant D:-Diesel power plant
Ans: B
74:-The working principle of a transformer is
A:-Static induction B:-Self induction C:-Mutual induction D:-None of the above
Ans: C