EXAM QUESTIONS Flashcards by Sam Mott

YOU REPLACE AN RCD AS THE TEST BUTTON IS LOOSE. WHAT TYPE OF MAINTENNACE IS THIS?
SLCT 1
A) PREDICTIVE MAINTENANCE
B) PLANNED MAINTENANCE
C) REACTIVE MAINTENANCE
D) ROUTINE MAINTENANCE

C) REACTIVE MAINTENANCE

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A CIRCUIT BREAKER APPEARS TO BE TRIPPING, WHAT IS THE CAUSE OF THIS?
SELECT 2
A)WEAR AND TEAR
B)LOW CURRENT
C)OVERLOAD
D)RATING TO HIGH
E) SHORT CIRCUIT

OVERLOAD
SHORT CIRCUIT

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AFTER CONDUCTING TESTS ON A CONVYOR SYSTEM, YOU SUSOECT A FAULTY ROTARY ISOLATOR. YOU ARE UNABLE TO PINPOINT THE ISSUE, SO YOU REPLACE THE ISOLATOR. WHAT IS THIS APPROACH? ( SELECT 1)

HALF SPLIT TECHNIQUE
UNIT SUBSTITUTION
SIX POINT TECHNIQUE
INPUT OUTPUT METHOD

UNIT SUBSTITUTION

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YOU ARE REQUIRED TO ISOLATE THE POWER BEFORE COMMENCING WITH CORRECTIVE MAINTENANCE. WHAT EQUIPMENT DO YOU USE FOR THIS? SELECT 2

VOLTAGE TESTER AND MULTIMETER
INSULATION TESTER AND PROVING UNIT
VOLTAGE TESTER AND PROVING UNIT
INSULATION TESTER AND VOLTAGE TESTER
MULTIMETER AND PROVING UNIT

VOLTAGE TESTER AND PROVING UNIT
MULTIMETER AND PROVING UNIT

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WHAT SIGNS INDICATE NATURAL WEAR AND TEAR ON SWA CABLE? SELECT 2

RUST ON ARMOURING
WORN AN DETIORATED INSULATION
BROKEN CABLE CLEATS
MISSING CABLE CLEATS
DAMAGED GLAND SHROUD

RUST ON ARMOUTING
WORN AND DETERIORATED INSULATION

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YOU ARE TASKED WITH INVESTIGATING A FAULTY SOCKET. WHAT TYPE OF MAINTENACE IS THIS? SELECT 1

PLANNED MAINTENANCE
CONDITION BASED MAINTENANCE
PREDICTIVE BASED MAINTENANCE
ROUTINE MAINTENANCE

CONDITION BASED

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THERE ARE TRAILING ELECTRICAL CABLES ACROSS THE WORKSHOP WALKWAYS. WHAT IS THE NEXT STEP PICK 1?

NO ACTION REQUIRED

IMPLEMEMNNT MEASURES IMMEDIATELY TO MITIGATE THE RISK

EVACUATE AND CLOSE WORKSHOP

INFROM COLLEGUES ONLY

IMPLEMENT MEASURES IMMEDITALY TO MITIGATE RISK

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WHY IS IT IMPORTANT TO KEEP SPARES IN HOUSE? PICK 1

MAINTAINS GOOD BUSINESS RELATIONSHIPS

TO PREVENT ALL DOWN TIME

IT IS COST EFFECTIVE AND REDUCES DOWNTIME

TO KEEP SUPPLIERS IN BUSINESS

COST EFFECTIVE AND REDUCES DOWNTIME

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HOW DO YOU IDENTIFY A BLOWN FUSE? PCIK 1

USE A MULIMETER AND TEST ACCROSS THE FUSE USING THE VOLTAGE SETTING

CHECK THE CONTINUTIY USING A MULTIMETER

REMOVE THE FUSE AND TEST IN A KNOWN WOKRING CONSUMER UNIT

DO NOT CHECK. GET A NEW ONE

CONTINUTITY TEST WITH A MULTIMETER

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WHAT OF THE FOLLOWING IS THE BIGGEST CAUSE OF WORK PLACE ACCIDNETS? PICK 1

EXCESSIVE NOISE
ELECTROCUTION
MANUAL HANDELING
LACK OF WARNING SIGNS

MANUAL HANDELING

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WHAT IS AN INVERTER FOR? PICK 1

TO TURN A MOTOR OFF

TO REGULATE THE TEMPERTURE OF AN AC MOTOR

TO TURN AC POWER INTO DC POWER

IT CHANGES THE FREQUENCY TO CONTROL THE ROTARY SPEED OF A MOTOR

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BS7671:2018 PROVIDES GUIDANCE ON WHICH OF THE FOLLOWING? SELECT 2

ELECTRICAL SYSTEMS FOR PUBLIC ELECTRICITY SUPPLIES

CIRCUITS SUPPLIED AT NOMINAL VOLTAGES

PILLAR DRILLS AND PAT TESTING REQUIRMENTS

ELECTROMECHNACIAL SYSETMS AND ASSOCIATED HAZARDS

Circuits supplied at nominal voltages.

Electrical Installations within domestic applications.

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When obtaining and installing electrical parts for commercial and industrial purposes, which
regulations must be followed?
Select one.

A. Manual Handling at Work Regulations 1992.

B. Lifting Operations and lifting equipment regulations 1998.

C. Electrical Equipment (safety) Regulations 2016.

D. Supply of machinery (Safety) 1992.

Electrical Equipment (safety) Regulations 2016.

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The BS7671 is also known as what?
Select two.

A. The IET Wiring Regulations.
B. HASWA 74.
C. Electricity at work act 1984.
D. IEC Standards.
E. The 18th Edition Wiring Regulations.

The IET Wiring Regulations.
The 18th Edition Wiring Regulations.

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Which statements relate to the COSHH regulations 2002?
Select two.

A. Controlling of substances hazardous to health.

B. Controlling of situations hazardous to health.

C. Monitoring and surveillance of substances which are hazardous to health.

D. Monitoring and surveillance of situations that are hazardous to health.

E. Dealing of substances that impose no risk to health.

Controlling of substances hazardous to health.

Monitoring and surveillance of substances which are hazardous to health.

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What are the recommended safe lifting limits for manual handling?
Select one.
A. 25Kg for men and 22Kg for women.
B. 25kg for men and 20kg for women.
C. 18kg for men and 6kg for women.
D. 25kg for men and 16kg for women.

25kg for men and 16kg for women.

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You have drawings to aid you with fault finding techniques, which isNOTa type of
engineering drawing?
Select one.

A. Block diagram.
B. Wiring diagram.
C. Schematic diagram.
D. Visual aid diagram.

Visual aid diagram.

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The half-split technique is:
Select one.
A. eliminating parts of the circuit until the fault is narrowed down.
B. replacing bulbs and fuses within the circuit until fault is rectified.
C. measuring the voltage going in and out.
D. testing half of the circuit and deem complete.

eliminating parts of the circuit until the fault is narrowed down.

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There is a faulty intermediate lighting circuit, what equipment is required?
Select one.

A. Ammeter, spare switch and earth sleeving.

B. Multimeter, voltemeter, sleeving and wires.

C. Multimeter, voltmeter, proving unit, wires, luminaires and tools.

D. Tools, insulation resistance tester, wires and pliers.

Multimeter, voltmeter, proving unit, wires, luminaires and tools.

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The torque requirements of MCB terminals are:
Select one.

A. on the installation diagram.
B. in the manufacturers manual.
C. in the maintenance instruction.
D. written on the breaker.

in the manufacturers manual.

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Part of the installation and maintenance you conduct means checking the already fixed
cable tray, trunking and conduit as well as removing and replacing new equipment.

What type of maintenance is this NOT?
Select two.

A. Condition based maintenance.
B. Predictive maintenance.
C. Scheduled maintenance.
D. Pre-planned maintenance.
E. Preventative maintenance.

Predictive maintenance
Pre-planned maintenance.

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What factors need to be considered when selecting MCBs?
Select one.

A. Voltage capabilities.
B. Physical size.
C. Current rating.
D. Resistance.

Current rating.

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You have identified a blown bulb. How do you test to confirm this?
Select one.
A. Check voltage across the bulb.
B. Check for open circuit using the volt setting.
C. Check for open circuit using the resistance setting.
D. Cannot check with a multimeter.

Check for open circuit using the resistance setting.

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What are the benefits of cable tray?
Select two.
A. Support for cables.
B. Easy to cut.
C. Lightweight.
D. Cheap.
E. Run cables over long distances.

Run cables over long distances.
Support for cables

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What must be considered when installing cable tray? Select two. A. The type of tray. B. Earthing of the tray. C. Risk of injury. D. Material. E. Width.

Earthing of the tray. Width.

An operator is angry and says that their system is not functioning properly, to de-escalate the situation you: Select two. A. say that the system is fine, and you know there are no issues. B. listen to their reasons why and seek further guidance. C. offer to find a solution between both parties. D. report them to human resources. E. walk off and away from the situation.

listen to their reasons why and seek further guidance. offer to find a solution between both parties.

How is AC described as a waveform? Select one. A. Alternating between positive and negative. B. AC current stays in negative. C. AC current is in positive. D. AC current does not alternate.

Alternating between positive and negative.

How is DC described as a waveform? Select one. A. DC is flat. B. DC stays in positive. C. DC stays in negative. D. DC waveforms are roughly constant.

DC waveforms are roughly constant.

How is AC converted to DC? Select one. A. You can only convert DC to AC. B. Use a step down transformer. C. Use an invertor. D. Use a step up transformer.

Use an invertor.

Which regulation provides guidance on the correct use of power tools? Select one. A. COSHH. B. RIDDOR. C. LOLER. D. PUWER.

PUWER.

Upon inspection of a socket you see the earth wire does not have sleeving on it. What is the next step? TICK ONE a) Use yellow insulation tape to identify the earth wire. b) Continue with the maintenance as this was not the cause of the fault. c) Replace the sleeving as part of the maintenance. d) Leave until the next scheduled maintenance.

Replace the sleeping as part of the maintenance

When you function test you confirm a socket is not working, what are the next steps? TICK TWO Remove the socket front. Contact supervisor and inform them. Insulation resistance testing. Safe isolation. Test for dead.

Safe isolation dead test

You realise your multimeters' electrical safety test is out of date and there are no others available whilst you are in the middle of a task. What is the next step? TICK ONE Contact Supervisor, he may be able to find you a spare one. Continue using the multimeter, as it is only required for continuity and insulation resistance checks. Deem the maintenance complete and sign off. Ensure work area is left safe and reschedule the maintenance.

Ensure work area is left safe and reschedule the maintenance.

You replace an RCD as the test button is loose, what type of maintenance is this? TICK ONE Predictive maintenance. Planned maintenance. Reactive maintenance. Routine Maintenance.

Reactive maintenance

A circuit breaker appears to be tripping, what is the cause for this? TICK TWO Wear and tear. Low current. Overload. Rating is too high. Short circuit.

Overload Short circuit

After conducting tests on a conveyor system, you suspect a faulty rotary isolator. You are unable to pinpoint the issue so you replace the isolator. What is this approach? TICK ONE Half split technique. Unit substitution. Six point technique. Input Output method.

unit substitution

You are tasked with investigating a faulty socket. What type of maintenance is this? TICK ONE Planned Maintenance. Condition Based Maintenance. Predictive Maintenance. Routine Maintenance.

Condition based maintenance

Regarding PPE which is correct? TICK ONE PPE is good practice. PPE is recommended. PPE is mandatory. PPE stands for Personal Preference Equipment.

PPE is mandatory.

Which statement is correct about PPE? TICK ONE It is the employees responsibility to purchase and wear the correct PPE. It is the employers responsibility to ensure you wear the correct PPE. It is the employers responsibility to provide the PPE and employees responsibility to wear the correct PPE. PPE is recommended by the employer.

It is the employers responsibility to provide the PPE and employees responsibility to wear the correct PPE.

Which regulation provides guidance on the correct use of power tools? TICK ONE COSHH. RIDDOR. LOLER. PUWER.

PUWER.

What is the difference is between a hazard and a risk? TICK ONE Hazards are risks that have been eliminated. Hazards and risks are the same. Hazard is potential and risk is chance/likelihood. Risks are hazards that have been eliminated.

Hazard is potential and risk is chance/likelihood.

What colour are PPE requirement signs? TICK ONE Blue. Green. Yellow. Red.

Blue

The BS7671:2018 provides guidance on which of the following? TICK TWO Electrical systems for public electricity supplies. Circuits supplied at nominal voltages. Pillar drills and PAT testing requirements. Electromechanical systems and associated hazards. Electrical Installations within domestic applications.

Circuits supplied at nominal voltages. Electrical Installations within domestic applications.

The BS7671 is also known as what? TICK TWO The IEE Wiring Regulations. HASWA 74. Electricity at work act 1984. IEC Standards. The 18th Edition Wiring Regulations.

The 18th Edition Wiring Regulations. The IEE Wiring Regulations.

The half-split technique is: TICK ONE eliminating parts of the circuit until the fault is narrowed down. replacing bulbs and fuses within the circuit until fault is rectified. measuring the voltage going in and out. testing half of the circuit and deem complete.

eliminating parts of the circuit until the fault is narrowed down.

There is a faulty intermediate lighting circuit, what equipment is required? TICK ONE Ammeter, spare switch and earth sleeving. Multimeter, voltemeter, sleeving and wires. Multimeter, voltmeter, proving unit, wires, luminaires and tools. Tools, megger, wires and pliers.

Multimeter, voltmeter, proving unit, wires, luminaires and tools.

You need to write a polarity testing sequence guide. The polarity testing sequence is: TICK ONE Visually check that circuit breakers only have L connected. Test between L-N and L-E. Test between N-E and N-L. Test between L-N, L-E, N-E.

Test between L-N, L-E, N-E.

You are reviewing the Earth Loop Impedance test, this is: TICK ONE testing at all breakers. visually inspecting the sleeving of all earth wires. testing the furthest point of each circuit. testing the first point of each circuit.

testing the furthest point of each circuit.

You are writing a guide for expected Insulation Resistance values. What indicates a very good IR reading? TICK ONE >2MOhm >1MOhm <1MOhm >4Ohm

>2MOhm

What are the benefits of cable tray? TICK TWO Support for cables. Easy to cut. Lightweight. Cheap. Run cables over long distances.

Support for cables. Run cables over long distances.

What must be considered when installing cable tray? TICK TWO The type of tray. Earthing of the tray. Risk of injury. Material. Width.

Earthing of the tray risk of injury

Where is PVC conduit used? TICK TWO Commercial and industrial applications only. Lighting circuits only. Underground. External walls. In wet conditions.

Underground in wet conditions

An operator is angry and says that their system is not functioning properly, to de-escalate the situation you: TICK TWO say that the system is fine and you know there are no issues. listen to their reasons why and seek further guidance. offer to find a solution between both parties. report them to human resources. walk off and away from the situation.

listen to their reasons why and seek further guidance. offer to find a solution between both parties.

What steps should be taken as part of the handover? TICK TWO Run the process fully with operators present. The completion of documentation that is signed by both parties. Ask the operators if they are happy with the work before leaving the area. Complete risk assessments. Return of all tools and equipment.

Run the process fully with operators present. Complete risk assessments.

Why is clear handover so important in manufacturing processes and environment? TICK TWO It ensures modifications and work completed is communicated. So the supervisor is aware of how you spend your time. So that tools and equipment can be freed up. So that the responsibility of equipment can be handed back over. So that paperwork is completed in good time.

It ensures modifications and work completed is communicated. So that the responsibility of equipment can be handed back over.

What application is a Type B MCB used for? TICK ONE Domestic and light commercial applications. Industrial and high current applications. Semiconductor devices. Just lighting circuits.

Domestic and light commercial applications.

How is the current flowing in a circuit, also known as Ohms Law, determined? TICK ONE V/I=R R x I x V V x R = I V = I - R

V/I=R

How is AC described as a waveform? TICK ONE Alternating between positive and negative. AC current stays in negative. AC current is in positive. AC current does not alternate.

Alternating between positive and negative.

How is DC described as a waveform? TICK ONE DC is flat. DC stays in positive. DC stays in negative. DC waveforms are roughly constant.

DC waveforms are roughly constant.

How is AC converted to DC? TICK ONE You can only convert DC to AC. Use a step down transformer. Use an invertor. Use a step up transformer.

Use an invertor.

EXAM QUESTIONS Flashcards

(60 cards)