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Compre Reviewer > Part II > Flashcards

Part II Flashcards

1
Q

A risky inspector sets the probability of hits high
at the cost of higher probability of _______.
a. false alarm
b. miss
c. confusion
d. correction

A

A

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2
Q

What is the contrast created by black text
(reflectance = 7%) on white paper (reflectance =
92%).
a. 0.92
b. 12.14
c. 0.87
d. 1.14

A

A

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3
Q

If the illumination from a source is 64 foot candles
when the distance is 9 feet, then find the
illumination when the distance is 12 feet.
a. 24 ft-candle
b. 30 ft-candle
c. 36 ft-candle
d. 42 ft-candle

A

C

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4
Q

A worker is exposed to 1 hour at 93.5 dBA, 2
hours at 85 dBA, 42 mins at 96 dBA, 50 mins at
90 dBA and 2 hour at 95 dBA. The worker is
working 8 hours per day. Compute for the total
noise dose.
a. 109 %
b. 113 %
c. 117 %
d. 121 %

A

B

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5
Q

What is the standard dev of arm (acromion to
wrist) length of an American pilot? For a standing
pilot, the 90th percentile of acromial shoulder
height was 1,532 mm and 905.6 mm for wrist
height; at the 10th percentile, the values were
1,379.5mm and 808.6 mm, respectively. The
estimated correlation between shoulder and wrist
heights is 0.3. Note that z = 1.28
a. around 60 mm
b. around 64 mm
c. around 68 mm
d. around 72 mm

A

A

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6
Q

Consider a worker lifting a 30-lb load less than
once every 8 minutes. Assume maximum holding
force equal to 100 lb. Calculate the rest
allowance needed when the short-duration
exertion time to lift is 0.1 min.
a. around 5 %
b. around 10 %
c. around 15 %
d. around 20 %

A

B

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7
Q

Which of the following colors of light will diffract
(bend the most) the most around the edge of a
piece of paper.
a. blue
b. violet
c. red
d. orange

A

C

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8
Q

This movement refers to finger-to-upper arm
motions (shoulder motion).
a. 1st class
b. 2nd class
c. 3rd class
d. 4th class

A

D

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9
Q

In this model, there exists a given or measurable
quantity of capability and attitude available, of
which a certain percentage is demanded by the
job.
a. Limited Resource Model
b. Unitary Resource Model
c. Multiple Resource Model
d. Infinite Resource Model

A

A

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10
Q

In vibration, the degree of harm is related to the
magnitude of _______________.
a. velocity
b. acceleration
c. distance
d. period

A

B

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11
Q

What is the sound intensity received from a 30
watt source from 8 meters away, in W/m2.
a. less than 0.10
b. 0.10 to 0.40
c. 0.40 to 0.70
d. more than 0.70

A

A

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12
Q

What is the reflectance coefficient of a surface
that is receiving 180 lux from a light source and
has a luminance of 55 candelas/m2 ?
a. around 30 %
b. around 40 %
c. around 50 %
d. around 60 %

A

A

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13
Q

According to the additive property of mixing of
light, if you mix green and red light with the ratio
of 1:2, what is the resulting color?
a. white
b. yellow
c. orange
d. violet

A

C

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14
Q

What is the index of difficulty of reaching a button
that has a width of 3cm that is 50cm away?
a. less than 2
b. between 2 and 3
c. between 3 and 4
d. more than 4

A

D

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15
Q

What is the radiation (kcal/hr) that is received by
the body if the temperature of the surrounding is
38°C and the temperature of the skin surface is
36°C?
a. 12.2
b. 22.6
c. 34.1
d. 40.3

A

B

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16
Q

Hick-Hyman Law states that there exists ______
relationship between response time and the
amount of stimulus information conveyed in bits.
a. linear
b. inverse
c. logarithmic
d. independent

A

A

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17
Q

Documenting the activities of different workers on
a single machine can be illustrated using:
a. man-machine
b. gang
c. Si-Mo chart
d. operations process

A

B

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18
Q

Compute for the efficiency of the assembly line
consisting of 5 consecutive operations given the
standard times in the table.
Operator | Standard time
1 0.52
2 0.48
3 0.65
4 0.41
5 0.55
a. about 65 %
b. about 70 %
c. about 75 %
d. about 80 %

A

D

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19
Q

Determine the required total number of samples at 95% confidence level given the following initial
samples and 3% error.
2.72 2.76 2.90 2.90 2.54 2.56 2.74
a. 5
b. 12
c. 18
d. 23

A

B

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20
Q

A worker is assigned to machine A which creates
100 dBA sound level. How long can the worker
listen to the sound without risking his hearing
damage? Compute for permissible exposure limit
(PEL).
a. about 0.5 hr
b. about 1.0 hr
c. about 1.5 hrs
d. about 2.0 hrs

A

D

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21
Q

Consider the accomplished Time Study Form for the
next three items. Time study is performed on an operation so that a standard time can be established. The analyst accomplished the form below during the observation period. Time are in mins.

Which type of time study is used?
a. snapback
b. continuous
c. job shop
d. project

A

B

22
Q

It is observed that element 2 has the greatest
variation among the elements. Hence, the
number of observations to be collected depends
on element 2. Find the number of observations
needed to control the error in estimating the
average OT (element 2 only) to be within ±5% of
the true mean at 95% confidence. Use t since
there is small sample size.
a. less than 3
b. 3 to 5
c. 5 to 8
d. more than 8

A

B

23
Q

Using the Westinghouse rating system, the job is
rated A2 on skills (+0.13), D on effort (0), F on
condition (-0.07) and F on consistency (-0.04).
What is the standard time of Work Element 1, in
mins, the operation if manual effort time is given
10% allowance. Apply allowance as a fraction of
normal (work) time.
a. less than 0.25
b. 0.25 to 0.27
c. 0.27 to 0.29
d. more than 0.29

A

C

24
Q

Which chart is used best when in documenting an
assembly line when several parts are
simultaneously assembled and are eventually
merged.
a. Operations Process Chart
b. Flow Process Chart
c. Ishikawa Diagram
d. Visual Stream Map

A

A

25
Q

It primarily looks into the ergonomic
considerations of a job.
a. Methods Method Study
b. Work Design
c. Motion Study
d. Work Measurement

A

B

26
Q

A work sampling study was conducted on a
machine. The results are as follows. In a 10 hr workday, the 95% confidence level that the machine is broken is [A, B]. Find the value of B.
No. of Observations
Running 220
Broken 60
Idle (no matls) 35
Others 15
a. 1.20 hrs
b. 1.30 hrs
c. 1.4 hrs
d. 1.5 hrs

A

C

27
Q

Continuing the previous item, what is the
observed time, in mins, of a part run in the
machine if the work sampling conducted covers 1 week (10 hrs * 5 days/week) and 420 units are run in the machine during the said period.
a. less than 4.5
b. 4.5 to 4.8
c. 4.8 to 5.1
d. more than 5.1

A

B

28
Q

Objective is rating is used to rate a given job. It
has a pace factor of 1.12 and difficulty factor of
0.95. What is the rating of the job?
a. less than 100%
b. 100% to 105%
c. 105% to 110%
d. more than 110%

A

C

29
Q

Find the labor productivity of a plant if 10 workers worked for 8 hours each and produced 200 units.
Their target is 160 units.
a. 75%
b. 80%
c. 2.0 units/workhr
d. 2.5 units/workhr

A

D

30
Q

Two operators are assigned to four machines –
each requiring operator’s attention 30% of the
time. Assuming that the Random Servicing model
applies to the situation, answer the following. What is the expected number of machine-hours lost (time requiring attention but no operator available) in an 8-hour workday?
a. less than 0.5
b. 0.5 to 0.75
c. 0.75 to 1
d. more than 1

A

B

31
Q

A risograph has a loading time of 2 mins,
unloading time of 3 mins, powerfeed time of 19 mins. A worker assigned to several risograph machines has a walk time (from one Machine to another) of 2 mins and recording time of 1 min. How many machines should assigned to the worker if machine rate per hour equals operator
rate per hour.
a. 1
b. 2
c. 3
d. 4

A

C

32
Q

In Westinghouse Rating system, the will to work
effectively is considered in which factor?
a. Skill
b. Effort
c. Condition
d. Consistency

A

B

33
Q

Reducing the standard time of a NON-bottleneck
operation will _______________.
a. increase line efficiency
b. reduce line efficiency
c. increase output
d. reduce output

A

B

34
Q

Which type of allowance should be added for the
following reason: as part of the company’s CSR, the production floor employs several
handicapped workers. Since wage is directly
proportional to output, standard times of tasks for differently-abled workers are significantly longer
than those for the normal workers.
a. Variable Fatigue
b. Policy
c. Unavoidable delay
d. Basic Fatigue

A

B

35
Q

It is the performance rating method that uses predetermined time systems.
a. Speed
b. Synthetic
c. Westinghouse
d. Objective

A

B

36
Q

The shoulder height and stature of Mitcha’s workers is 137.45 cm and 167.01 cm, respectively, what is the shoulder height in Yogi’s given that the stature of workers is 153.92 cm, in cm?
a. 122 – 124
b. 124 - 126
c. 126 – 128
d. 128 – 130

A

C

37
Q

To compute for the wet bulb globe temperature if dry bulb temperature is 25°C, wet bulb
temperature is 30°C and globe temperature is 27°C, what is the weight of the globe
temperature?
a. 10 %
b. 20 %
c. 60 %
d. 70 %

A

B

38
Q

What is the science of measuring visible light in units that are weighted according to the sensitivity of the human eye?
a. chronometry
b. photometry
c. ophthalmology
d. optometry

A

B

39
Q

A study reveals that a group of three
semiautomatic machines assigned to one
operator operates unattended 80 percent of the time. Operator service time at irregular intervals averages 30 percent of the time on these three
machines. What would be the estimated machine hours lost per eight-hour day because of lack of an operator?
a. 1.684 hrs
b. 1.285 hr
c. 1.944 hrs
d. 1.257 hrs

A

C

40
Q

The following data were collected by an intern
working at the Mole Hill Ski Resort regarding the
efficiency of the V-8 Ford engine that was used
to power the rope tow for the bunny slope.
Management would like to know how many hours
of service they can expect to achieve out of their obviously failing engine out of a typical 16 hour skiing day. After studying the data, find the error (in hrs) at 95% confidence that you can estimate the engine will be able to run in an 16 hour day.
a. 1.89
b. 1.79
c. 1.99
d. 1.39

A

C

41
Q

The analyst in the Dorben Company wishes to assign a number of similar facilities to an
operator, based on minimizing the cost per unit of output. A detailed study of the facilities reveals
the following:

Loading machine standard time = 0.34 minute
Unloading machine standard time = 0.26 minute
Walk time between two machines = 0.06 minute
Operator rate = $12.00 per hour
Machine rate (both idle and working) = $18.00 per hour
Power feed time = 1.48 minutes

How many of these machines should be assigned
to each operator? Round off final answer to whole
number.
a. 1
b. 2
c. 3
d. 4

A

C

42
Q

A phenomenon in which increased employee
productivity may be attributed due to perceived employer interest in improving methods or the
workplace.
a. Hawthorne
b. Volvo
c. Mayo Effect
d. Taguchi

A

A

43
Q

All of the following are true about PTS except:
a. Standard is set before production begins.
b. Pre-estimation of production costs.
c. Less time consuming.
d. Useful for long repetitive time cycles.

A

D

44
Q

What is the graphic representation of the therblig hold?
A. U-shape
B. Inverted U
C. Inverted U with underline
D. Oval shape with sharp top and bottom corner

A

C

45
Q

Compute the times for elements a when:
a + b + c is timed at 0.057 min;
b + c + d is timed at 0.078 min;
c + d + e equals 0.097 min;
d + e + a is 0.095 min; and
e + a + b is 0.069 min
a. 0.020
b. 0.015
c. 0.022
d. 0.034

A

A

46
Q

The following relation pertains to:
home office | - ||| Employee

a. one-to-one
b. one-to-many
c. many-to-one
d. many-to-many

A

B

47
Q

Which of the following should be used when the sequence of conditions and actions is critical.
a. structured English
b. decision tree
c. decision table
d. fault-tree analysis

A

B

48
Q

The lowest type of Information system used routinely by rank-and-file employees.
a. Decision Support System
b. Executive Information System
c. Transaction Processing Systems
d. Management Information System

A

C

49
Q

A type of system development methodology wherein the project is divided into sequential phases.
a. waterfall
b. incremental
c. spiral
d. rapid application development

A

A

50
Q

Entity in this normal form has no repeating groups and any non-key attribute that is dependent only
on a part of the primary key is moved to a new entity where the partial key is the full key.
a. 1 NF
b. 2 NF
c. 3 NF
d. not normalized

A

B

Compre Reviewer (8 decks)

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