TESTING AND EVALUATION Flashcards
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
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
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
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
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
During the test of agricultural
machines, shaft speed is measured
using ___.
a. speedometer
b. velocity meter
c. tachometer
d. None of the above
tachometer
An instrument used to measure the
draft of a plow.
a. Dynamometer
b. Spring scale
c. Pressure gauge
d. All of the above
Dynamometer
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
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
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
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
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
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
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%
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
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
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
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
1
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
The minimum permissible noise for
power tillers.
a. 85 db
b. 92 db
c. 98 db
d. None of the above
92 db
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
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
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
An instrument used to measure the
speed of a windpump.
a. Manometer
b. Anemometer
c. Tachometer
d. None of the above
Anemometer
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