TESTING AND EVALUATION Flashcards by Blessed Angela Lascuña

The critical assessment of a machine or
of a process under a given set of operating
conditions.
a. Value engineering
b. Testing and evaluation
c. Pre-design stage
d. All of the above

Testing and evaluation

How well did you know this?

Not at all

Perfectly

The criteria used in evaluating the
performance of a machine.
a. Machine and operator’s performance
b. Reliability of machine and cost of
operation
c. Environment and safety
d. All of the above

AOTA

How well did you know this?

Not at all

Perfectly

In testing agricultural machines, as
prescribed in the PAES standard of test, it
should be operated by ___.
a. farmers
b. manufacturer(s) representative
c. accredited testing organization
d. None of the above

manufacturer(s) representative

How well did you know this?

Not at all

Perfectly

A preliminary operation of the machine
to make various adjustments prior to the
conduct of test until the operation is stable.
a. Functionality Test
b. First Test
c. Running-In Period
d. None of the above

Running-In Period

How well did you know this?

Not at all

Perfectly

During testing of agricultural machines,
thermometer sensors should be partially
shielded to minimize ___.
a. mechanical damage on thermometer
sensor
b. error on the effect of heat of radiation
c. error from heat of conduction from wall
of the machine
d. None of the above

error on the effect of heat of radiation

How well did you know this?

Not at all

Perfectly

During the test of agricultural
machines, shaft speed is measured
using ___.
a. speedometer
b. velocity meter
c. tachometer
d. None of the above

tachometer

How well did you know this?

Not at all

Perfectly

An instrument used to measure the
draft of a plow.
a. Dynamometer
b. Spring scale
c. Pressure gauge
d. All of the above

Dynamometer

How well did you know this?

Not at all

Perfectly

The holding capacity of a mechanical
dryer during testing, as prescribed by
PAES, should be based on the ___ of the
sample and other accompanying
information such as moisture content
and purity.
a. volume
b. weight
c. density
d. None of the above

weight

How well did you know this?

Not at all

Perfectly

Based on the PAES standard, milling
test of samples in testing a mechanical
grain dryer should be conducted at least
___ after drying.
a. 24 hours
b. 48 hours
c. 36 hours
d. None of the above

48 hours

How well did you know this?

Not at all

Perfectly

A test carried out on each and every
part of an equipment to check the
specifications which are likely to vary
during production.
a. Acceptance test
b. Routine test
c. Inspection
d. None of the above

Routine test

How well did you know this?

Not at all

Perfectly

The sensing instrument made of two
dissimilar wires used to measure the
temperature of air in a dryer.
a. Thermometer wire
b. Thermocouple wire
c. Thermo wire
d. All of the above

Thermocouple wire

How well did you know this?

Not at all

Perfectly

The interval of time measurement of
test parameters in a heated-air mechanical
grain dryer, as specified in the PAES Test
Method.
a. 15 minutes
b. 30 minutes
c. 45 minutes
d. 60 minutes
e. None of the above

30 minutes

How well did you know this?

Not at all

Perfectly

The minimum number of trial(s)
required in testing heated-air mechanical
grain dryer, as specified in the PAES.
a. One
b. Two
c. Three
d. None of the above

Two

How well did you know this?

Not at all

Perfectly

The maximum moisture content of
grains to be used in testing mechanical
threshers should not be more than ___.
a. 18%
b. 24%
c. 28 %
d. None of the above

24%

How well did you know this?

Not at all

Perfectly

The grain-straw ratio for samples to be
used for testing a mechanical rice thresher
should be at ___ range.
a. 0.35 to 0.50
b. 0.50 to 0.65
c. 0.65 to 0.80
d. None of the above

0.50 to 0.65

How well did you know this?

Not at all

Perfectly

The required water temperature in
testing pumps.
a. 10°C and below
b. 10°C – 40°C
c. 40°C - 60°C
d. None of the above

10°C – 40°C

How well did you know this?

Not at all

Perfectly

The pressure drop of air-moving
devices is usually measured using a ___.
a. pressure gauge
b. pitot tube
c. manometer
d. None of the above

manometer

How well did you know this?

Not at all

Perfectly

The amount of material needed in
testing a thresher should be enough to
run the machine for at least ___ hour.
a. 1/2
b. 1
c. 2
d. All of the above

How well did you know this?

Not at all

Perfectly

The recommended test material for
testing a rice thresher should have ___
straw length.
a. 30 to 45 cm
b. 45 to 50 cm
c. 50 to 65 cm
d. None of the above

45 to 50 cm

How well did you know this?

Not at all

Perfectly

The minimum permissible noise for
power tillers.
a. 85 db
b. 92 db
c. 98 db
d. None of the above

92 db

How well did you know this?

Not at all

Perfectly

The minimum area required for testing
a power-operated seeder.
a. Not less than 100 m2
b. Not less than 500 m2
c Not less than 1000 m2
d. None of the above

Not less than 1000 m2

How well did you know this?

Not at all

Perfectly

The minimum operating time
required for testing a power tiller without
breakdown and malfunction.
a. 1 hour
b. 5 hours
c. 8 hours
d. None of the above

5 hours

How well did you know this?

Not at all

Perfectly

The minimum number of hours
required in testing rice threshers based
on PAES standards.
a. 0.5 hour
b. 1 hour
c. 2 hours
d. None of the above

1 hour

How well did you know this?

Not at all

Perfectly

An instrument used to measure the
speed of a windpump.
a. Manometer
b. Anemometer
c. Tachometer
d. None of the above

Anemometer

How well did you know this?

Not at all

Perfectly

An instrument used to measure the static pressure at the plenum chamber of a dryer. a. Manometer b. Anemometer c. Tachometer d. None of the above

Manometer

An instrument used to determine the acidity and alkalinity of a substance. a. Refractrometer b. pH meter c. Moisture meter d. None of the above

pH meter

An instrument used to measure the amount of water present in a sample. a. Hygrometer b. Hydrometer c. Moisture meter d. All of the above

Moisture meter

A thermometer used in measuring the temperature of a surface without the sensor touching it. a. Thermocouple wire sensor operated thermometer b. Bimetallic surface measuring thermometer c. Infrared thermometer d. None of the above

Infrared thermometer

An instrument used in measuring the velocity of water in a conveyance channel. a. Thermoanemometer b. Anemometer c. Current meter d. None of the above

Current meter

The velocity of the air passing through the duct of the blower of a dryer is to be determined, what instrument would you recommend to measure the velocity? a. Manometer b. Thermometer c. Thermoanemometer d. None of the above

Thermoanemometer

Which of the following cannot be used in measuring the velocity of the air? a. Anemometer b. Pitot-tube and manometer c. Orifice and manometer d. None of the above

nota

The rate of flow of hot gas is to be measured in a duct. As an Agricultural Engineer, what instrument would you recommend to determine the velocity of the gas? a. Thermoanemometer b. Current meter c. Pitot-tube manometer d. None of the above

Pitot-tube manometer

Air velocity at the air duct can be measured using a manometer by taking the ___. a. static pressure b. velocity pressure c. velocity and static pressure d. None of the above

velocity and static pressure

The amount of current passing through a wire can be measured using ___. a. voltmeter b. ammeter c. Hertz meter d. None of the above

ammeter

Voltmeter is connected to a wire in ___ to measure voltage. a. series b. parallel c. series and parallel d. All of the above

parallel

AC Clamp meter is connected to a wire in ___ to measure the amperage. a. series b. parallel c. series and parallel d. None of the above

nota

Usually in determining the ambient conditions during testing of a mechanical dryer, the surrounding ___ are measured. a. air temperature and humidity b. air temperature and velocity c. air velocity and humidity d. None of the above

air temperature and humidity

In order to measure the power input in a motor, the ____ are measured and then multiplied with the power factor. a. voltage and hertz b. current and hertz c. voltage and current d. None of the above

voltage and current

The Hertz meter is connected in ___ to measure the cycle of the lines. a. series b. parallel c. series and parallel d. None of the above

parallel

The unit of noise level of a sound meter is expressed in ___. a. hertz b. decibels c. % loudness d. None of the above

decibels

The actual field capacity of a tractor and plowing implement can be determined by ___. a. measuring the velocity of travel of the tractor multiplied by the width of cut of the implement b. measuring the area plowed by the tractor divided by the time it finishes the operation c. measuring the area plowed by the tractor multiplied by the travel speed d. None of the above

measuring the area plowed by the tractor divided by the time it finishes the operation

When measurement needs to be done to gather sets of data in a defined period of time, what instrument would you recommend to be included in your instrumentation set-up as an Agricultural Engineer? a. Data encoder b. Data compiler c. Data logger d. None of the above

Data logger

An electronic device that records data over time. a. Data logger b. Data encoder c. Data compiler d. None of the above

Data logger

Which thermocouple-wire sensor has the ability to measure higher temperature (up to 1260°C)? a. Type C b. Type J c. Type K d. None of the above

Type K

The low-temperature thermocouplewire sensor. a. Type T b. Type J c. Type K d. None of the above

type T

A thermocouple wire made of copper and constantan wires. a. Type T b. Type J c. Type K d. All of the above

Type T

A thermocouple-wire sensor consisting of chromel and alumel wires. a. Type T b. Type J c. Type K d. All of the above

Type K

When testing a mechanical grain dryer, the static pressure can be measured using a ___. a. pressure gage b. manometer c. vacuum gage d. All of the above

manometer

When testing a rice mill, the throughput capacity is determined as ___. a. weight of paddy input over time b. weight of brown rice output over time c. weight of milled rice output over time d. None of the above

weight of milled rice output over time

When testing a paddy dryer, the capacity is determined by the ___. a. weight of input paddy b. weight of dried paddy c. weight of dried paddy over time d. None of the above

weight of input paddy

When testing a rice thresher, the throughput capacity is ___. a. weight of clean threshed grain over time b. weight of panicle fed over time c. weight of paddy input after removing the straw over time d. None of the above

weight of clean threshed grain over time

A customized device in which all the instruments are set to facilitate testing of a machine. a. Test rig b. Test duct c. Test instrument d. None of the above

Test rig

In testing animal-drawn and poweroperated agricultural machines, the test plot is required to be in a ___ shape. a. square b. triangular c. rectangular d. None of the above

rectangular

The required length-to-width ratio of a test plot for animal-drawn and poweroperated agricultural machines. a. 2:1 b. 4:2 c. 6:3 d. All of the above e. None of the above

AOTA

In testing agricultural machines, the first thing that the engineer must do is ___. a. to prepare the instruments and data sheet needed for the test b. to get acquainted with the construction and operation features of the machine c. to figure out what testing procedure to be done d. None of the above

to get acquainted with the construction and operation features of the machine

Which of the following available information need to be looked into by the test engineer before testing a machine? a. Instruction book b. Operation manual c. Technical information d. All of the above e. None of the above

AOTA

The amount of fuel consumed by a machine during the test can be simply determined by ___. a. measuring the amount of fuel remaining in the tank after testing using a volumetric flask b. filling the tank with fuel and the amount of fuel added to make the tank full is the amount of fuel used c. starting with empty tank and then the amount of fuel gradually added is the amount of fuel used d. All of the above

filling the tank with fuel and the amount of fuel added to make the tank full is the amount of fuel used

The required distance in measuring the operational speed of an agricultural machine during testing. a. 10 m b. 20 m c. 30 m d. None of the above

20 m

Preliminary tests need to be done in testing the machine so the machine will ___. a. be easy to be tested b. be seen by test engineers and helpers before testing it c. be kept in best working condition d. None of the above

be kept in best working condition

Adjusting the machine should be done when testing as per recommendation by ___. a. the operator b. the manufacturer c. the test engineer d. None of the above

the manufacturer

When testing agricultural machines, the testing operator must be ___ the machine. a. strong enough to operate b. well knowledgeable with the design of c. fully conversant with the operation of d. None of the above

fully conversant with the operation of

The difference in the distance traveled by the tractor tire in 10 revolutions with and without load during the tests over the distance traveled at no load times 100 is the ___ of the tractor. a. percentage downtime efficiency b. percentage traction efficiency c. percentage wheel slip d. None of the above

percentage wheel slip

Accurate data can be obtained during testing when ___. a. appropriate instrumentation is used b. the instruments to be used are properly calibrated c. testing is to be done by a skillful technician d. All of the above

AOTA

In testing the field capacity and field efficiency of a machine, the ___. a. non-working time should be eliminated b. overall time used should be considered c. speed of the machine should only be considered d. None of the above

non-working time should be eliminated

A spring, hydraulic or strain-gauge operating device that measures the capacity required in pulling a machine. a. Load cell b. Spring scale c. Dynamometer d. None of the above

Dynamometer

In testing a mechanical paddy grain dryer during the wet harvest season, the required moisture of samples to be used must be at ___. a. 20% +/- 1.0% b. 23% +/- 1.2% c. 25% +/- 1.0% d. None of the above

25% +/- 1.0%

In testing a mechanical paddy dryer during the dry harvest season, the required moisture of paddy samples must be at ___. a. 20% +/- 1.0% b. 23% +/- 1.2% c. 25% +/- 1.0% d. None of the above

20% +/- 1.0%

The line of pull to determine the drawbar horsepower of a machine is the ___ line of pull measured by the drawbar dynamometer. a. horizontal b. inclined c. vertical d. None of the above

horizontal

The effective field capacity of the machine is the area tilled over the ___. a. productive time b. non-productive time c. productive and non-productive time d. None of the above

productive and non-productive time

In testing rice threshers, the threshing efficiency is determined by the amount of ___. a. threshed grains received at all outlets divided by the total grain input times 100 b. threshed grains received at all the outlets divided by the input paddy fed into the machine multiplied by 100 c. threshed grains from the paddy straw outlet to the total grain input multiplied by 100 d. None of the above

Threshed grains received at all outlets divided by the total grain input times 100

In testing rice threshers, the threshing recovery is determined by the amount of ___, expressed as percent by weight. a. threshed grains at the main outlet of the thresher with respect to the weight of paddy and panicle input b. threshed grains at the main outlet of the thresher with respect to the total grain input c. threshed grains from the different outlets with respect to the total grain input d. None of the above

threshed grains from the different outlets with respect to the total grain input

The total grain input to the thresher includes the ___. a. weight of threshed grains collected at the main grain outlet per unit time b. weight of threshed grains collected at all outlets per unit time c. weight of unthreshed grains from all outlets per unit time d. All of the above

All of the above

Which of the following criteria is considered in evaluating rice threshers? a. Applicable kind of crops b. Output capacity c. Machine vibration d. Power requirement e. Labor requirement f. Ease of adjustment, cleaning and replacement g. Operating cost of the machine h. All of the above i. Three of the above

AOTA