M
Mikeymike77
Hey guys I've got 301 in two weeks time and I've been given some past papers will post some more soon hopefully. feel free to have ago and post your answers 
1: Who is the Electricity Regulation at Work applicable to?
a: Agricutural premises
b: Anyone working within the electro-technical industry
c: Factories
d: Construction sites
2: Lack of control of hazards in the workplace could lead to?
a: Action taken by the employer
b: Loss of employement
c: Minor injury or even death
d: Diseplenary action
3: Risk of shock is minimised through using?
a: 110V to earth reduced voltage equipment & tools
b: Low voltage equipment and tools
c: 55V to earth reduced voltage equipment & tools
d: Auto transformers
4: Fires in the workplace are caused by?
a: Good waste disposal
b: Accumulation of rubbish against electrical equipment
c: Storing loose materials and packing in a secure area
d: Maintained plant & equipment
5: Carbon Monoxide in confined spaces can cause?
a: Blood disorder
b: Loss of conciseness and death
c: Breathing difficulties
d: Coughing and sneezing
6: Whose responsibility is H & S on site?
a: the client and main-contractor only
b: Everyone employed on site, no matter who employs them
c: Self employed contractors only and employees
d: Employers, employees, and sub-contractors
7: There has been a chemical spillage into the warehouse. The department that would deal with this is?
a: RIDDOR
b: COSHH
c: EAWR
d: Control of dangerous chemicals and waste
8: A sign with a white and blue symbol background shows?
a: Warning sign
b: Prohibition sign
c: Mandatory sign
d: Infomation sign
9: Permit to work are issued by?
a: A health & safety officer
b: The person in charge
c: A designated responsible person
d: A competent person or persons
10: When high voltages is being used in a factory, it should be?
a: Outside the working area
b: Incased in a concrete building
c: Suitably enclosed with warning signs
d: Outside the building
11: What type of fire extinguisher must not be used on an electrical fire?
a: Dry powder
b: Carbon dioxide
c: Foam
d: Water
12: The Aims of the Disability Discrimination Act is to give disabled people rights in terms of?
a: The right to more breaks at work
b: Replacing the amount of disabled people in society
c: Employment and access to goods and facilities
d: Lowering the entrance skills necessary for employment
13: LSF cables should be used in public building because they? (70degrees)
a: Produce a high level hydrochloric acid gas emission
b: Produce low smoke and fumes, and less chance of poisning by gas during a fire
c: Operate at maximum temperature of 70 degrees C
d: Have a low temperature index
14: The main reason for earthing is to?
a: Provide a route for the current to flow under normal conditions
b: Protect against electric shock
c: Connect between exposed and extraneous conductive parts
d: Coneect extraneous conductive parts
15: The procedure put in place by an employer to identidy hazards in the workplace is called a?
a: Hazard report
b: Risk assessment procedure
c: Safety assessment
d: Risk control procedure
16: What regulations are concerned with the recycling of old electrical equipment?
a: RSA
b: WEEE
c: PUWER
d: IRR
17: What is the resistance of 10m of 1.5mm copper cables if the resistivity of coper is taken as 17.5 x 10-8ohmM?
a: 0.115ohms
b: 0.115mohms
c: 0.125ohms
d: 12.5kohms
18: Thermal trips indirect online starters are to protect?
a: Earth faults
b: Short circuits
c: Continuous overload
d: Starting overload
19: If a pure inductor of 50ohms is connected across a 230v supply the power dissipated will be?
a: 1058kw
b: 10.58kw
c: 105.8kw
d: 0kw
20: A series A.C circuit of 10ohms resistor, 5ohm inductive reactance and a capacitive reactance of 2ohm. The impedance is?
a: 0.427ohms
b: 10.44ohms
c: 104.4ohms
d: 4.7ohms
21: A semi conductor diode connected across a peak voltage 10v a.c supply the peak inverse voltage (PIV) across the diode is?
a: 40v
b: 14.14v
c: 7.07v
d: 20v
22: An electronic component has the following connections Anode, Cathode, Gate, The conponent is a?
a: Transistor
b: Diode
c: Diac
d: Thyristor
23: The correct formula for capacitance and charge is?
a: Q = C x V
b: Q = C V
c: V = Q x C
d: C = Q x v
24: A street light has a luminance intensity of the lamp is 7500CD and is suspended at 7m above the ground. The illuminance on the pavement below the lamp will be?
a: 157lx
b: 169lx
c: 153lx
d: 191lx
25: in a star connected supply system the relationship between Line & Phase voltages are?
a: VL = VP x root3
b: VL = VP
c: VP = VL x root3
d: VP = VL
26: A transformer has an input power of 10KVA and a power factor of 0.8 if the losses are 490watts the overall efficiency is?
A: 96%
b: 93%
c: 95.1%
d: 90%
27: An RCBO works on the following charateristics?
a: Magnetic only
b: Thermal and mechanical
c: Mechanical and magnetic
d: Thermal and magnetic
28: A 400v 50hz supply has a line current of 50A and 0.8 lagging, the power dissipated will be?
a: 20kw
b: 9.2kw
c: 27.712kw
d: 16kw
29: The output for most generators used for public supplies is?
a: 400kv
b: 132kv
c: 33kv
d: 25kv
30: The supply to a domestic installation is derived from an 11kv/400v transformer by connecting between?
a: 2 phases
b: 1 phase & neutral
c: 1 phase & earth
d: 2 phase and neutral
31: Underground cables used for high voltages is?
a: PVC/SWA
b: PILCSWA
c: MI cables
d: LSF cables
32: The voltage to a primary winding of a step down transformer is 1000v and the output voltage is 200v. if the primary current is 5A the value of the secondary current will be?
a: 5A
b: 10A
c: 25A
d: 100A
33: A motor with a wound rotor has windings on?
a: Rotor only
b: Stator only
c: Stator & rotor
D: Commutator & field
34: A capacitor start and run single phase induction motor runs as?
a: 4 phase motor
b: 1 phase motor
c: 2 phase motor
d: 3 phase motor
35: A 3 phase 4 pole motor 50hz induction motor has a slip of 4% the actual speed of the motor is?
a: 1500rpm
b: 1440rpm
c: 1400rpm
d: 1359rpm
36: The number of pair windings in a single phase capacitor start induction motor is?
a: 1
b: 2
c: 3
d: 4
37: The rotor conductors of a 3 phase cage rotor inductance motor are constructed of a solid conductors?
a: Shorted at each end of rings
b: Connected to the supply by slip rings
c: Connected to the supply by commutator
d: Forming a star connection
38: A two pole induction motor runs at 925rpm when connected to the 50hz supply. work out the slip?
a: 93%
b: 69%
c: 71%
d: 84%
39: The two appropriate starters for a 10kw squirrel cage induction motor are?
a: Rotor resistance and a star/delta
b: DOL and a rotor resistance
c: Rotor resistance and a Auto transformer
d: Auto transformer and a star/delta
40: In a 2 pole generator the brushes on the commutator pick up the voltage generated which?
a: A.C
b: Unidirectional
c: Intermittent A.C
d: Steady D.C
1: Who is the Electricity Regulation at Work applicable to?
a: Agricutural premises
b: Anyone working within the electro-technical industry
c: Factories
d: Construction sites
2: Lack of control of hazards in the workplace could lead to?
a: Action taken by the employer
b: Loss of employement
c: Minor injury or even death
d: Diseplenary action
3: Risk of shock is minimised through using?
a: 110V to earth reduced voltage equipment & tools
b: Low voltage equipment and tools
c: 55V to earth reduced voltage equipment & tools
d: Auto transformers
4: Fires in the workplace are caused by?
a: Good waste disposal
b: Accumulation of rubbish against electrical equipment
c: Storing loose materials and packing in a secure area
d: Maintained plant & equipment
5: Carbon Monoxide in confined spaces can cause?
a: Blood disorder
b: Loss of conciseness and death
c: Breathing difficulties
d: Coughing and sneezing
6: Whose responsibility is H & S on site?
a: the client and main-contractor only
b: Everyone employed on site, no matter who employs them
c: Self employed contractors only and employees
d: Employers, employees, and sub-contractors
7: There has been a chemical spillage into the warehouse. The department that would deal with this is?
a: RIDDOR
b: COSHH
c: EAWR
d: Control of dangerous chemicals and waste
8: A sign with a white and blue symbol background shows?
a: Warning sign
b: Prohibition sign
c: Mandatory sign
d: Infomation sign
9: Permit to work are issued by?
a: A health & safety officer
b: The person in charge
c: A designated responsible person
d: A competent person or persons
10: When high voltages is being used in a factory, it should be?
a: Outside the working area
b: Incased in a concrete building
c: Suitably enclosed with warning signs
d: Outside the building
11: What type of fire extinguisher must not be used on an electrical fire?
a: Dry powder
b: Carbon dioxide
c: Foam
d: Water
12: The Aims of the Disability Discrimination Act is to give disabled people rights in terms of?
a: The right to more breaks at work
b: Replacing the amount of disabled people in society
c: Employment and access to goods and facilities
d: Lowering the entrance skills necessary for employment
13: LSF cables should be used in public building because they? (70degrees)
a: Produce a high level hydrochloric acid gas emission
b: Produce low smoke and fumes, and less chance of poisning by gas during a fire
c: Operate at maximum temperature of 70 degrees C
d: Have a low temperature index
14: The main reason for earthing is to?
a: Provide a route for the current to flow under normal conditions
b: Protect against electric shock
c: Connect between exposed and extraneous conductive parts
d: Coneect extraneous conductive parts
15: The procedure put in place by an employer to identidy hazards in the workplace is called a?
a: Hazard report
b: Risk assessment procedure
c: Safety assessment
d: Risk control procedure
16: What regulations are concerned with the recycling of old electrical equipment?
a: RSA
b: WEEE
c: PUWER
d: IRR
17: What is the resistance of 10m of 1.5mm copper cables if the resistivity of coper is taken as 17.5 x 10-8ohmM?
a: 0.115ohms
b: 0.115mohms
c: 0.125ohms
d: 12.5kohms
18: Thermal trips indirect online starters are to protect?
a: Earth faults
b: Short circuits
c: Continuous overload
d: Starting overload
19: If a pure inductor of 50ohms is connected across a 230v supply the power dissipated will be?
a: 1058kw
b: 10.58kw
c: 105.8kw
d: 0kw
20: A series A.C circuit of 10ohms resistor, 5ohm inductive reactance and a capacitive reactance of 2ohm. The impedance is?
a: 0.427ohms
b: 10.44ohms
c: 104.4ohms
d: 4.7ohms
21: A semi conductor diode connected across a peak voltage 10v a.c supply the peak inverse voltage (PIV) across the diode is?
a: 40v
b: 14.14v
c: 7.07v
d: 20v
22: An electronic component has the following connections Anode, Cathode, Gate, The conponent is a?
a: Transistor
b: Diode
c: Diac
d: Thyristor
23: The correct formula for capacitance and charge is?
a: Q = C x V
b: Q = C V
c: V = Q x C
d: C = Q x v
24: A street light has a luminance intensity of the lamp is 7500CD and is suspended at 7m above the ground. The illuminance on the pavement below the lamp will be?
a: 157lx
b: 169lx
c: 153lx
d: 191lx
25: in a star connected supply system the relationship between Line & Phase voltages are?
a: VL = VP x root3
b: VL = VP
c: VP = VL x root3
d: VP = VL
26: A transformer has an input power of 10KVA and a power factor of 0.8 if the losses are 490watts the overall efficiency is?
A: 96%
b: 93%
c: 95.1%
d: 90%
27: An RCBO works on the following charateristics?
a: Magnetic only
b: Thermal and mechanical
c: Mechanical and magnetic
d: Thermal and magnetic
28: A 400v 50hz supply has a line current of 50A and 0.8 lagging, the power dissipated will be?
a: 20kw
b: 9.2kw
c: 27.712kw
d: 16kw
29: The output for most generators used for public supplies is?
a: 400kv
b: 132kv
c: 33kv
d: 25kv
30: The supply to a domestic installation is derived from an 11kv/400v transformer by connecting between?
a: 2 phases
b: 1 phase & neutral
c: 1 phase & earth
d: 2 phase and neutral
31: Underground cables used for high voltages is?
a: PVC/SWA
b: PILCSWA
c: MI cables
d: LSF cables
32: The voltage to a primary winding of a step down transformer is 1000v and the output voltage is 200v. if the primary current is 5A the value of the secondary current will be?
a: 5A
b: 10A
c: 25A
d: 100A
33: A motor with a wound rotor has windings on?
a: Rotor only
b: Stator only
c: Stator & rotor
D: Commutator & field
34: A capacitor start and run single phase induction motor runs as?
a: 4 phase motor
b: 1 phase motor
c: 2 phase motor
d: 3 phase motor
35: A 3 phase 4 pole motor 50hz induction motor has a slip of 4% the actual speed of the motor is?
a: 1500rpm
b: 1440rpm
c: 1400rpm
d: 1359rpm
36: The number of pair windings in a single phase capacitor start induction motor is?
a: 1
b: 2
c: 3
d: 4
37: The rotor conductors of a 3 phase cage rotor inductance motor are constructed of a solid conductors?
a: Shorted at each end of rings
b: Connected to the supply by slip rings
c: Connected to the supply by commutator
d: Forming a star connection
38: A two pole induction motor runs at 925rpm when connected to the 50hz supply. work out the slip?
a: 93%
b: 69%
c: 71%
d: 84%
39: The two appropriate starters for a 10kw squirrel cage induction motor are?
a: Rotor resistance and a star/delta
b: DOL and a rotor resistance
c: Rotor resistance and a Auto transformer
d: Auto transformer and a star/delta
40: In a 2 pole generator the brushes on the commutator pick up the voltage generated which?
a: A.C
b: Unidirectional
c: Intermittent A.C
d: Steady D.C
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