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Maintenance Operations

Total questions: 86

Worksheet time: 43mins

Name
Class
Date
1.

What color on the NFPA Hazard Identification System represents health hazards?

a)

Blue

b)

Red

c)

Yellow

d)

White

2.

According to the NFPA Hazard Identification System, what does a rating of 4 in the blue diamond indicate?

a)

Slightly hazardous

b)

Hazardous

c)

Extremely hazardous

d)

Deadly

3.

What color on the NFPA Hazard Identification System indicates the highest reactivity level?

a)

Blue

b)

Red

c)

Yellow

d)

White

4.

What is the minimum oxygen level percentage below which an employee should not enter a confined space, as per the provided safety information?

a)

17 percent

b)

19.5 percent

c)

20 percent

d)

80 percent

5.

Which grade of chain is approved for lifting loads overhead?

a)

40

b)

60

c)

70

d)

80

6.

Which agency is responsible for certifying Personal Protective Equipment (PPE) for workplace use?

a)

OSHA

b)

EPA

c)

NIOSH

d)

FDA

7.

Where would a maintenance technician find information regarding the handling of lubricants and their associated safety requirements?

a)

EPA doc

b)

SDS Sheets

c)

Supervisor's office

d)

OSHA Doc

8.

Under OSHA Regulation, which type of hard hat protects you from 2,200 Volts of electricity?

a)

Class G

Old Class A

b)

Class E

c)

Class C

d)

Bump cap

9.

The unit of measurements for measuring contaminants is the ___.

a)

Millimeter

b)

Micron

c)

Inch

d)

Milligram

10.

___ is a value expressed as a percentage that describes how productive a piece of equipment actually is compared to what it could be if operated at its maximum capability.

a)

Equipment productiveness

b)

Overall equipment efficiency

c)

Equipment capacity

d)

Optimal efficiency rating

11.

The ___ is the standard that manufacturers use to measure the cleanliness of fluid systems.

a)

ISO Cleanliness code 4406

b)

ANSI cleanliness code 4402

c)

ISO 9000

d)

Unified cleanliness Code 4406

12.

When a small fire is noticed near a cabinet of flammable materials, you should first ___.

a)

Remove the flammable materials to a safe place

b)

Run to the nearest phone to call for help

c)

Sound the alarm

d)

Put it out with a portable fire extinguisher

13.

The amount of exposure to a chemical without the unreasonable risk of injury is listed on the SDS as ___.

a)

a)      TOE (Time of Exposure)

b)

MCE (Maximum Chemical Exposure)

c)

a)     TLV(threshold limit value)

d)

a)      MTX ( maximum Exposure Time)

14.

What is the TLV an acronym for?

a)

Maximum Exposure Time

b)

Threshold Limit Value

c)

Maximum Chemical Exposure

d)

Time of Exposure

15.

What type of protection does a metatarsal guard provide?

a)

Arm Protection

b)

Shin Protection

c)

Foot Protection

d)

Face Protection

16.

What is a form of inspection used to expose hidden defects and return equipment to normal operating conditions?

a)

Periodic maintenance

b)

Quality checks

c)

Autonomous maintenance

d)

Cleaning

17.

Which of the following is NOT a function of a Computer Maintenance Management System (CMMS)?

a)

Track Operator schedules

b)

Generate work orders

c)

Schedule periodic maintenance

d)

Track performed procedures

18.

Which of the following is a predictive maintenance test?

a)

Vibration analysis

b)

Acoustic analysis

c)

Thermography

d)

All of the above

19.

Which activities should be performed daily to ensure the machines perform?

a)

Predictive maintenance

b)

Preventive Maintenance

c)

Training

d)

SOP update

20.

HMI databases that store error codes and alarm codes are a good place to find what?

a)

Troubleshooting guides

b)

Maintenance schedules

c)

Employee contact information

d)

Inventory levels

21.

What is included in the machine history records?

a)

Maintenance charts

b)

Startup procedures

c)

Machine History

d)

Total operating hours

22.

____ Maintenance is the process of performing inspections and tests to determine the current condition of the machine.

a)

Preventive

b)

Predictive

c)

Total Productive

d)

Reactive

23.

____ Maintenance that puts responsibility of daily maintenance in the hands of the machine operator.

a)

Self-performing

b)

Automatic

c)

Autonomous

d)

Productive

24.

Predictive maintenance is also referred to as what?

a)

Conditions monitoring

b)

Breakdown Prevention

c)

Failure Monitoring

d)

Defect Detention

25.

The intent of preventive maintenance is to prevent.

a)

Schedule stoppage

b)

Unplanned downtime

c)

Idling loss

d)

Rework

26.

Which of the following would not be considered a type of preventive maintenance?

a)

Tightening belts

b)

Checking gaskets

c)

Checking oil

d)

Replacing a bad component

27.

The maintenance schedule should be __________.

a)

properly stored by company protocol

b)

Held by a supervisor

c)

properly stored and accessible to maintenance

d)

all of the above

28.

Which type of predictive Maintenance monitoring is performed at specific time intervals?

a)

Scheduled monitoring

b)

Random Monitoring

c)

Continuous Monitoring

d)

Intermittent Monitoring

29.

A Preventive Maintenance plan should include manufacturer's recommendations and the __________.

a)

  warrantee information

b)

     machine's age

c)

Failure History

d)

Operators name

30.

Which of the following information can be obtained from a Machine History?

a)

Trends and Performance indicators

b)

Machine specifications

c)

troubleshooting data

d)

all of the above

31.

Which of the following is a benefit of a preventive maintenance plan?

a)

Conditions are monitored and used to determine which parts need replacement

b)

Requires the replacement of parts before they fail

c)

Requires constant monitoring by maintenances

d)

It helps keep spare inventory up to date

32.

What function would a machine operator likely perform on an HMI (Human Machine Interface)?

a)

Change a Program

b)

Monitor Machine status

c)

Modify Ladder Logic

d)

All of the above

e)

None of the above

33.

In a corrective action report, data that demonstrates the effectiveness of the action is included in which part of the report?

a)

What corrections were made

b)

What was the effect of the correction

c)

What happens after the correction

d)

What were the results

34.

Manufacturer's serial number and model of a machine are most often used to locate what?

a)

Manufacturing vendor

b)

Service manuals

c)

Machine location in plant

d)

All of the above

35.

A particular Machine with a history of shutdown during first hours of the first shift will lead the technician to do what?

a)

Interview the operator

b)

Check ambiance conditions

c)

Review training Methods

d)

All of the above.

36.

Companies often ______ to create baseline measurements for improvement in machine performance.

a)

Establish a metric

b)

Write SOPs

c)

Perform a quality system audit

d)

Use ISO standards

37.

A good Example of ______ is a change procedure used for machine maintenance.

a)

A SOP

b)

Temporary corrective action

c)

Permanent corrective action

d)

An operator job task

38.

Where should Machine Documentation be located?

a)

Attached to the machine

b)

In the maintenance Office

c)

In supervisor's office

d)

A safe and secured location

39.

Which of the following is the use of work orders?

a)

Organize work task

b)

Assign work tasks

c)

Monitor work tasks

d)

All of the above

40.

SOP are detailed documents that are ____.

a)

Company Wide

b)

Department wide

c)

Developed by OSHA

d)

For Safety only

41.

What is done to data collected during predictive maintenance monitoring?

a)

Analyzed to check if values are within acceptable tolerances

b)

Pass on to safety officer

c)

Passed on to machine's OEM

d)

Only stored if within acceptable tolerances

42.

Which Documents help to ensure that operations are performed consistently?

a)

SOP manual

b)

Maintenance log

c)

Training manual

d)

Quality audit reports

43.

____ is a force inside a fastener that tries to return it to its original length.

a)

Torque

b)

Compression

c)

Elasticity

d)

Tension

44.

The ____ has cross shaped tip.

a)

Phillips head screwdriver

b)

Torx driver

c)

Flat Head screwdriver

d)

Allen wrench

45.

A (n) ____ wrench is used to tighten socket head cap screws when there is no hand clearance around the fastener.

a)

Allen

b)

Y-Allen

c)

T-Allen

d)

L-Allen

46.

When picking a socket to use, a 6 point socket is the ____.

a)

Strongest

b)

most common

c)

weakest

d)

deepest

47.

A ____ is used to prevent head fastener turning while the nut tightened.

a)

Thread lock

b)

Lock Washer

c)

Pipe wrench

d)

back up wrench

48.

A metric bolt has its grade designated by ____ stamped on his head.

a)

One number

b)

Two letters

c)

Two numbers

d)

Bars

49.

When a ________ is tightened against a hex nut, it increases tension in the threaded fastener that clamps the nut together.

a)

Castle nut

b)

Lock nut

c)

Slotted nut

d)

Jam nut

50.

The torque sequence to provide even torque around the picture shown is:

a)

A, B, C, D, E, F, G, H

b)

H, D, B, F, C, G, A, E

c)

A, C, E, G, B, D, F, H

d)

A, F, B, G, D, C, E, H

51.

Examples of ________ Tolerances include straightness of a shaft or the Flatness of a surface.

a)

Form

b)

Profile

c)

Orientation

d)

Location

52.

On a multi-view Drawing, a(n) ________ line is shown using alternating long and short dashed lines.

a)

Hidden

b)

Leader

c)

Object

d)

Center Line

53.

76.22 mm is ________ (in inch.)

a)

   3.0007874 inches

b)

4.322 inches

c)

6.9533 inches

                (3.0007874 inches, 1 inch =25.4mm)

54.

The ___ of a part dimension is the condition where the dimension of the upper or lower limit and the part contains the most material.

a)

Datum

b)

MMC

c)

LMC

d)

Control Frame

55.

Which of the missing Dimensions are required to fully dimension this object's length and its parallel surfaces?

a)

A-B

b)

A-D-B

c)

D-C-B

d)

A-B-C-D

56.

Using the cutting line shown, which view represents the correct sectional view?

a)

A

b)

B

c)

C

d)

D

57.

Using the scale in the figure, what is the dimension of the block?

a)
2 15/32 Inches
b)

24.8 mm

c)

  2.49 cm

d)

2 2/16 Inches

58.

A flowchart is based on the ____ method of troubleshooting.

a)

Symptom and cause

b)

Half-split

c)

Shotgun

d)

Output - back

59.

What is the last step in the troubleshooting process?

a)

Document event

b)

Determine actual fault

c)

Identify the symptoms

d)

Gather review process documentation

60.

When a machine involves a number of subsystems (pneumatic, electrical, computer, etc.), which troubleshooting method can reduce the time to find cause and failure?

a)

Half Split

b)

Outback

c)

Troubleshooting flowchart

d)

HMI history

61.

The first thing maintenance personnel should do when investigating a machine malfunction is?

a)

Ask the operator about machines' operation and symptoms

b)

Make sure the machine power is removed

c)

Clean obstacles from the work area around the machine

d)

Get the operating manual

62.

Emergency Stop is most commonly ____.

a)

Wired to a relay circuit that controls power to the machine control Processor

b)

Wired to a relay circuit that controls power to the machine inputs and outputs.

c)

Wired to the e-stop input of a controller

d)

Wired to a relay circuit that controls power to the machine controller outputs.

63.

When looking for machine malfunction you should start with______.

a)

troubleshooting Flowchart

b)

the five senses

c)

a Voltmeter

d)

machine manual

64.

The first step in the troubleshooting process is to ______.

a)

identify the symptoms

b)

determine the actual fault

c)

document the event

d)

gather review process documentation

65.

Which Manual will typically include troubleshooting procedures?

a)

Machine Log

b)

Machine specs

c)

Operator Manual

d)

Installation Manual

66.

What does a diamond on a troubleshooting flowchart represent?

a)

Questions

b)

start or end

c)

Decision

d)

Actions

67.

______ An End or Beginning While Creating a Flowchart. (The oval, or terminator, is used to represent the start and end of a process.)

a)

The Oval

b)

The Rectangle

c)

Arrow

d)

Diamond

68.

Choker Sling is popular because of the ______.

a)

elasticity of the components

b)

easy of assembly

c)

clamping effect on the load

d)

variable length of the line

69.

To ensure true vertical lift a______ hoist should be used.

a)

Single leg

b)

double reeved

c)

horizontal

d)

single reeved

70.

When a sling is used at an angle, part of lifting force becomes a______.

a)

Spreading force

b)

Crushing force

c)

Tension force

d)

Balancing force

71.

According to ANSI standard B30.10, a rigging hook should be replaced when its throat dimension increases by what percentage or more?

a)

2%

b)

5%

c)

15%

d)

25%

72.

If an Operator does not test equipment after performing locked out, what is the recommended action according to the document?

a)

It does not matter because the lockout prevents energizing power.

b)

The circuit will not operate

c)

They should apply a tag stating so

d)

They should be retrained

73.

Which stop function on a machine causes it to stop after finishing its current step and resumes operations, beginning with the next step when the start signal is received?

a)

Automatic

b)

E-stop

c)

Manual

d)

Cycle stop

74.

The assembler can often prevent contaminated/defective parts from reaching the customer by performing what type of test?

a)

Water Break test

b)

Gravimetric test

c)

Particle counter analysis

d)

Visual inspection

75.

Which EN/IEC machine stop category describes a condition where the machine comes to a controlled stop under power and power is removed to the actuators?

a)

Category 0

b)

Category 1

c)

Category 2

d)

Category 3

76.

A pneumatic lockout valve vents downstream to atmosphere when it is ____.

a)

Closed

b)

Open

c)

Partially open

d)

Partially closed

77.

The best document to use when evaluating how well an operator is running a machine is (are) the______.

a)

Machine operating manual

b)

Production guidelines

c)

Machine tolerance charts

d)

Maintenance logs

78.

What is the Flow Rate indicated on the Flow Meter?

a)

2.0 gpm

b)

6.0 gpm

c)

20 lpm

d)

22 lpm

79.

What is the pressure indicated on this gauge?

a)

42 KPa

b)

650 psi

c)

4200 psi

d)

4200 KPa

80.

What are the responsibilities of young workers at work?

a)

To follow the rules and regulations of the workplace

b)

To use safety measures such as protective clothing and equipment when required

c)

All of these

d)

To have knowledge of how to react during an emergency and report to the supervisor in case of emergency

81.

Select ALL of the obligations of an employer with regard to duty of care

a)

Provide PPE and establish an HSC

b)

Ensure safe systems of work

c)

Provide instructions, information, training and supervision to ensure health and safety.

d)

Make a daily report to the HSC

82.

HSC stands for

a)

Health Specialty Committee

b)

Health and Safety Committee

c)

Health Specialty Cooperation

d)

Health and Safety Official

83.

What should be done if PPE is found to be defective?

a)

Continue using it until a replacement is available

b)

Repair it using duct tape

c)

Remove it from service and report it

d)

Only report it if it causes an accident

84.

Why is training on the proper use of PPE important?

a)

It is a legal requirement

b)

It ensures that PPE is used effectively

c)

It helps in reducing the cost of PPE

d)

Both A and B

85.

What does PPE stand for in the context of workplace safety?

a)

Personal Protection Equipment

b)

Public Protection Equipment

c)

Personal Protective Equipment

d)

Public Protective Equipment

86.
equipment, such as goggles and gloves, used for protection in an investigation
a)
Personal protective equipment (PPE)
b)
Patterns
c)
Ethical practices