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Part 1 > BELONIO PT. 2 > Flashcards

BELONIO PT. 2 Flashcards

1
Q

Vehicle designed to pull, propel, and supply power to operate machinery used in agricultural operation.
a. Agricultural Tractor
b. Automobile
c. Payloader
d. None of the above

A

Answer – Agricultural Tractor

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2
Q

The stirring wheel of the tractor can
be found at
a. In front
b. At the rear
c. At the operator’s seat
d. None of the above

A

Answer – at the operator,s seat

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3
Q

A substance that is added to the
tractor for the purpose of changing
traction and stability.
a. Ballast
b. Cage wheel
c. Plow
d. Hydraulic lift

A

Answer - ballast

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4
Q

Power drive that can be found at
the rear of the tractor to propel
power implements and stationary
machines.
a. Power take off drive
b. Hydraulic system
c. Differential gear
d. None of the above

A

Answer – Power takeoff

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5
Q

Standard rpm of a tractor PTO
drive.
a. 600 rpm
b. 200 rpm
c. 540 rpm
d. None of the above

A

Answer – 540 rpm

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6
Q

Standard number of splines on a
PTO drive.
a. 10
b. 21
c. 15
d. None of the above

A

Answer - 21

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7
Q

A two-wheeled and hand-operated
tractor used primarily as a
substitute for draft animals.
a. Power tiller
b. Reaper
c. Seeder
d. None of the above

A

Answer Power tiller

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8
Q

Attachment to a tractor rear wheel
to increase traction.
a. Ballast
b. Cagewheel
c. Stirring wheel
d. None of the above

A

Answer - cagewheel

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9
Q

Tractor part that controls the
direction of the travel of the
machine.
a. Rear wheel
b. Front wheel
c. Stirring wheel
d. None of the above

A

Answer - Stirring wheel

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10
Q

A tractor device which
automatically raises or lowers the
implement in operation to maintain
a given draft
a. Automatic draft control
b. Automatic position control
c. 3-point linkage
d. None of the above

A

Answer – Automatic draft control

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11
Q

The inherent characteristics of
tractors to maintain or to produce
increased drawbar pull even if the
speed is reduced.
a. Lugging ability
b. Mechanical efficiency
c. Coefficient traction
d. None of the above

A

Answer – Lugging ability

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12
Q

The lower PTO speed of standard
four-wheel tractor is.
a. 540 rpm
b. 450 rpm
c. 640 rpm
d. None of the above

A

Answer – 540 rpm

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13
Q

It is the special arrangement of gears to
permit driving member to rotate slower
or faster than the other and permit
operation of driving wheels at different
speed for easy turn.
a. Spur gear
b. Planetary gear
c. Differential
d. None of the above

A

Answer - Differential

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14
Q

It is a gear reduction of the tractor
located in the power train between the
differential and the driving wheel and
transmits power of low speed and large
tongue to the rear axles and wheels.
a. Differential
b. Universal joint
c. Final drive
d. None of the above

A

Answer - Final drive

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15
Q

Standard power-take-off speed of a
tractor.
a. 100 rpm
b. 540 rpm
c. 1200 rpm
d. None of the above

A

Answer - 540 rpm

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16
Q

Standard number of spline for PTO
shaft.
a. 6 spline
b. 21 spline
c. 20 spline
d. All of the above
e. None of the above

A

Answer – All of the above

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17
Q

Standard shaft diameter of PTO
shaft.
a. 35 mm
b. 45 mm
c. 50 mm
d. Two of the above
e. None of the above

A

Answer – Two of the above

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18
Q

If farm tractor is rated at 80
horsepower, its metric equivalent is
a. 75 kw
b. 60 kw
c. 80 kw
d. None of the above

A

b. 60 kW

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19
Q

The heat energy content of coconut
shell charcoal is 14223 BTU/lb.
How many kilo calories are there in
10 kilos of coconut shell charcoal?
a. 78, 852.3 Kcal
b. 68, 852.3 Kcal
c. 87, 852.3 Kcal
d. None of the above

A

Answer – 78,852.3 kCal

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20
Q

The burning efficiency of rice hull
furnaces is between
a. 70-80 %
b. 80-90 %
c. 90 and less than
100 %
d. All of the above

A

Answer – 90 to 99%

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21
Q

The thermal efficiency of rice hull
furnaces is between
a. 40-70 %
b. 70-90 %
c. 10-40 %
d. All of the above

A

Answer – 40 to 70%

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22
Q

A corncob has a stoichiometric air
requirement of 5.7 kg air/kg fuel. If 3
kg of corn cob is required to be burned
per hour, how much air in m3/hr is
required for the system?
a. 3.68 m3/hr
b. 31.68 m3/hr
c. 13.68 m3/hr
d. None of the above

A

Answer – 13.68 m3/hr

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23
Q

It is an indicator of the amount of
fuel in a furnace that is converted
into ash.
a. Burning efficiency
b. Thermal efficiency
c. Heat utilization efficiency
d. None of the above

A

Answer : Burning efficiency

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24
Q

It indicates the ratio of the amount
of heat given off by the furnace to
the system and the heat used from
the fuel.
a. Burning efficiency
b. Thermal efficiency
c. Heat utilization energy
d. None of the above

A

Answer - Thermal efficiency

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25
Q

Which of the following is true in
operating gasifier for internal
combustion engine?
a. Only 50 to 70 % of the diesel oil can be
replaced by gas producer.
b. Gasoline and diesel can be fueled with gas
producer.
c. The power output of gasoline engine at
arbitrary rpm will decrease by 30 to 50 % when
fueled with producer gas.
d. All of the above

A

Answer - All of the above

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26
Q

A rice hull gasifier reactor that
produces less tar during operation.
a. Updraft
b. Cross draft
c. Down draft
d. All of the above

A

b. Down draft

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27
Q

The primary gas produced during
gasification.
a. Methane
b. Carbon Dioxide
c. Carbon Monoxide
d. All of the above

A

Answer Carbon monoxide

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28
Q

When a biogas contains 40 %
methane and 60 % carbon dioxide,
a. The biogas can be used for cooking
b. The biogas can run gas refrigerator
c. The biogas can be used for lighting
d. None of the above

A

Answer – None of the above

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29
Q

A biogas is generated inside the
a. Gas holder
b. Mixing tank
c. Digester
d. None of the above

A

Answer -Digester

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30
Q

The feed material to water ratio for
biogas generation is
a. 1:0.5 to 1:1
b. 1:1 to 1:2
c. 1:2 to 1:3
d. None of the above

A

Answer – 1:1 to 1:2

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31
Q

A digester for biogas is to be designed to
accommodate 30 liters of dung per day. If
the feed-material-to-water ratio is 1:1 and
the designed retention time is 80 days, what
is the capacity of the digester?
a. 4800 liters
b. 5200 liters
c. 6100 liters
d. None of the above

A

Answer – 4800 liters

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32
Q

A solid biomass fuel burning device
used for domestic cooking water
heating, smoking, roasting and
simmering.
a. Furnace
b. Cookstove
c. Biomass oven
d. None of the above

A

Answer - Cookstove

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33
Q

The percentage primary air
requirement based on the total air
for the combustion of fuel in a
cookstove.
a. 80 %
b. 60 %
c. 40 %
d. None of the above

A

Answer – 80%

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34
Q

Elements necessary for
combustion.
a. Fire
b. Air
c. Fuel
d. All of the above

A

Answer – All of the above

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35
Q

Air required for complete
combustion of combustible gasses.
a. Stoichiometric air
b. Primary air
c. Secondary air
d. All of the above

A

Answer – Secondary air

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36
Q

The amount of heat required to
raise the temperature of one pound
water by one degree farenheight.
a. Kcal
b. BTU
c. Joule
d. None of the above

A

Answer - BTU

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37
Q

The excessive amount of tars
produced in the combustion of
agricultural waste is primary due to:
a. Insufficiency of fuel
b. Less air is used
c. Too much air used
d. None of the above

A

Answer – Less air is used

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38
Q

Open-fire stove has a thermal
efficiency of:
a. 3-11 %
b. 11-20 %
c. 20-30%
d. All of the above

A

Answer – 3-11%

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39
Q

A chamber where combustion of
fuel takes place.
a. Damper
b. Chimney
c. Fire box
d. None of the above

A

Answer – Fire box

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40
Q

The thermal efficiency of a
cookstove can be increased by:
a. Increasing the amount of fuel
b. Using more air for the fuel
c. Insulating the stove
d. All of the above

A

Answer – Insulating the stove

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41
Q

The power output of an agriwastefired
multiple-burner stove can be
increased by:
a. Providing large connecting tunnel for the pot
holes
b. Increasing the height of the chimney
c. Providing damper to control the flow of
passage of air
d. All of the above
e. None of the above

A

Answer – All of the above

42
Q

The recommended angle for the
inclined metal grates on the stepgrate-type
stove.
a. 45-60 deg
b. 30-40 deg
c. 60-80 deg
d. None of the above

A

Answer – 45 to 60 deg

43
Q

A gas produced from agricultural
waste which is odorless, tasteless,
colorless and flammable.
a. Biogas
b. CO
c. CH4
d. None of the above

A

Answer – Carbon monoxide

44
Q

The primary gas produced during
anaerobic digestion of agricultural
wastes.
a. CH4 & H2S
b. CH4 & CO2
c. CH4 & CO
d. All of the above

A

Answer – CH4 & CO2

45
Q

C-N ratio suitable for anaerobic
digestion of agriwaste.
a. 10:1 to 20:1
b. 20:1 to 30:1
c. 30:1 to 40:1
d. None of the above

A

Answer – 30 to 40

46
Q

The power output of diesel engine,
when powered with gas producer at
an arbitrary speed will be reduced
by
a. 10-20 %
b. 30-50 %
c. 50-70 %
d. None of the above

A

Answer – 10-20% (diesel engine)
-30-50% (gasoline engine)

47
Q

The percentage amount of diesel
fuel can be replaced by gas
producer
a. 20-40 %
b. 50-70%
c. 90-100%
d. None of the above

A

Answer – 50 to 70%

48
Q

Type of engine that can be fueled
with producer gas.
a. Gas engine
b. Diesel engine
c. Gasoline engine
d. All of the above

A

Answer - All of the above

49
Q

The bulk density of rice husk.
a. 50-80 kg/m3
b. 100-120 kg/m3
c. 140-160 kg/m3
d. None of the above

A

Answer – 100 to 120 kg/m3

50
Q

To minimize channel formation inside the
gasifier reactor, the superficial gas velocity
on the bed of the char should not exceed.
a. 8-9 cm/sec
b. 15-20 cm/sec
c. 20-23 cm/sec
d. None of the above

A

Answer – 8 to 9 cm/sec

51
Q

The air requirement for gasification
of agricultural waste ranged from
a. 10-20 % of stoichiometric air (SA)
b. 20-30 % of SA
c. 30-40 % of SA
d. None of the above

A

Answer – 30 to 40% SA

52
Q

A cleaning units for rice husk gasifier to
remove gaseous pollutant and solid particles
while cooling the gas at the same time.
a. Cyclone separator
b. Fabric filter
c. Scrubber
d. All of the above
e. None of the above

A

Answer - Scrubber

53
Q

A type of gas producer which has
the ability to gasify wet fuel.
a. Updraft
b. Down draft
c. Cross draft
d. Fluidized bed

A

Answer - Updraft

54
Q

A cleaning system is needed for
gasifier when the unit is to be used
for
a. Direct heating
b. Power generation
c. Gas production
d. None of the above

A

Answer – Power generation

55
Q

The gasifcation rate of rice hull
ranged from
a. 90-105 kg/m2-hr
b. 110-210 kg/m2-hr
c. 210-240 kg/m2-hr
d. None of the above

A

Answer – 110 to 210 kg/m2-hr

56
Q

Rice hull gasifier efficiency
normally ranged from
a. 50-70 %
b. 70-80 %
c. 80-90 %
d. None of the above

A

Answer – 50 to 70%

57
Q

The caloric value of fuel is
a. The amount of heat contained by the fuel
per unit weight
b. The heat needed to burn a certain weight
of fuel
c. The weight of fuel to be heated
d. None of the above

A

Answer – The amount of heat contained by
the fuel per unit weight

58
Q

A type of rice husk furnace that
burn the fuel while it is being
spread in a circular pattern inside
the combustion chamber.
a. Step grate furnace
b. Suspended air furnace
c. Cyclone furnace
d. All of the above

A

Answer – Cyclone furnace

59
Q

The thermal efficiency of the
furnace is the ratio of
a. The amount of fuel used to the amount of heat
generated during combustion
b. The amount of heat generated during
combustion to the amount of fuel used
c. The amount of heat delivered to the amount of
heat available in the fuel used
d. None of the above

A

Answer - The amount of heat delivered to the
amount of heat available in the fuel used

60
Q

The burning temperature of most
agricultural waste
a. 100-200°C
b. 300-400 °C
c. 500-600 °C
d. None of the above

A

Answer – 300 to 400 C

61
Q

A high-cetane fueled engine uses
a. Diesel as fuel and is difficult to start engine at
lower temperature
b. Diesel as fuel and is easy to start at lower
temperature
c. Gasoline fuel and is easy to start at lower
temperature
d. None of the above

A

Answer - Diesel as fuel and is easy to start at
lower temperature

62
Q

High viscosity engine oil is
desirable to use because
a. Its viscosity changes easily with a change in
temperature
b. Its viscosity does not change easily with a
change in temperature
c. Its viscosity changes even without a change in
temperature
d. None of the above

A

a. Its viscosity changes easily with a change in
temperature

63
Q

Engine oil having high flash and fire
point indicates.
a. High boiling point
b. High evaporation rate
c. High heating value
d. All of the above

A

Answer - High boiling point

64
Q

In order to increase the resistance of
engine oil, the formation of certain
acidic product that may cause
corrosion of certain type of bearing the
recommended additive to use is.
a. Anticorrosive
b. Antioxidants
c. Dispersants
d. All of the above

A

Answer - antioxcidant

65
Q

An additive purposely to provide a
protective film on bearing surfaces
thus preventing any acid to corrode
metal parts.
a. Anticorrosive
b. Antioxidants
c. Dispersants
d. All of the above

A

Answer - Anticorrosive

66
Q

Additives to cause carbon particles
in the engine to remain in
suspension in oil.
a. Anticorrosive
b. Antioxidants
c. Dispersants
d. All of the above

A

Answer - Dispersant

67
Q

The burning of portion of fuel in the
combustion chamber of an engine
at a rate faster than the desired.
a. Knocking
b. Detonation
c. Misfiring
d. All of the above

A

Answer - Detonation

68
Q

A device used to measure the
quantity of oil in a crankcase.
a. Dipstick
b. Oil gauge
c. Oil stick
d. None of the above

A

Answer - Dipstick

69
Q

A device that provides a rich
mixture of fuel during high load and
lean mixture during under load.
a. Carburetor
b. Economizer
c. Fuel regulator
d. All of the above

A

Answer - Economizer

70
Q

The lubrication system of an engine
is basically
a. To reduce wear and tear of an engine
b. To act as complement of the cooling
system
c. To act seal between the piston and
cylinder wall
d. All of the above

A

Answer - All of the above

71
Q

When a diesel engine knocks, the
trouble is
a. The diesel fuel ignition timing is late
b. Incorrect type of spark plug
c. Incorrect engine lubrication and wrong
grade oil
d. All of the above

A

Answer - The diesel fuel ignition timing is
late

72
Q

When a gasoline engine knocks,
the problem is
a. The spark timing is too far advance
b. Incorrect type of spark plug
c. Incorrect type of fuel
d. All of the above

A

Answer - The spark timing is too far advance

73
Q

If the engine timing is advance
a. The spark plug ignites earlier than the fuel while piston
is completing the compression stroke
b. The spark plug ignites earlier than the fuel while the
piston is at the intake stroke
c. The spark ignites earlier than the fuel while moving
downward immediately after the power stroke
d. All of the above

A

Answer - The spark plug ignites earlier than the fuel while
piston is completing the compression stroke

74
Q

It is the act of checking, testing,
measuring, repairing and adjusting
the engine in order to bring it to the
peak efficiency.
a. Trouble shooting
b. Tune-up
c. Timing adjustment
d. All of the above

A

Answer – tune up

75
Q

The coefficient of traction for
wheel-type tractor is highest for
a. Concrete road
b. Fine sand
c. Sandy loam soil
d. All of the above

A

Answer – Concrete road

76
Q

The rapid explosion of mixture of
fuel and air within the cylinder
when ignited by spark plug is.
a. Constant volume combustion
b. Constant temperature combustion
c. Constant pressure combustion
d. All of the above

A

Answer - Constant volume

77
Q

The relatively slow burning as the
fuel is injected into a highly
compressed heated air is.
a. Constant volume combustion
b. Constant temperature combustion
c. Constant pressure combustion
d. All of the above

A

Answer - Constant pressure combustion

78
Q

The gross heating value of diesel is
a. Higher than gasoline
b. Higher than kerosene
c. Higher than ethanol
d. All of the above

A

Answer - Higher than ethanol

79
Q

Which of the following is true in the
operating gasifier for internal
combustion engine?
a. Only 50 to 70 % of the diesel oil can be
replaced by gas producer.
b. Gasoline and diesel can be fueled with gas
producer.
c. The power output of gasoline engine at
arbitrary rpm will increase by 30 to 50 % when
fueled with producer gas.
d. All of the above

A

Answer - All of the above

80
Q

An injection system used in small
stationary diesel engine consisting
essentially of a high pressure pump
and an injection nozzle.
a. Air injection system
b. Solid injection system
c. Automized injection system
d. None of the above

A

Answer - Solid injection system

81
Q

An engine running at a speed of
2000 rpm is classified as
a. Low speed engine
b. Medium speed engine
c. High speed engine
d. None of the above

A

Answer – High speed

82
Q

It is used to seal engine
components which are bolted to the
sub-frame, the cylinder block, and
the crankcase.
a. Oil
b. Grease
c. Gasket
d. None of the above

A

Answer – Gasket

83
Q

An air cooled engine is basically
equipped with
a. Pump
b. Fan
c. Fan and pump
d. None of the above

A

Answer - Fan

84
Q

The primary gas produced during
gasification.
a. Methane
b. Carbon dioxide
c. Carbon monoxide
d. All of the above

A

Answer – Carbon monoxide

85
Q

When an engine is diesel operated,
a. The moisture of air and fuel is taken in the
cylinder
b. The fuel is compressed into the combustion
engine
c. Air fuel ratio is not constant as the quantity of
air drawn into the cylinder is not always the
same
d. All of the above

A

Answer - Air fuel ratio is not constant as the
quantity of air drawn into the cylinder is not
alway

86
Q

When operating light equipment, it
is recommended to use.
a. Four stroke gasoline engine
b. Two stroke gasoline engine
c. Four stroke diesel engine
d. All of the above

A

Answer - Two stroke gasoline engine

87
Q

A four-stroke-cycle engine is
advantageous to use than twostroke-cycle
engine for the reason
that
a. It is easier to start the engine
b. Has regular intake and exhaust valves
c. Easy to lubricate
d. All of the above

A

Answer – All of the above

88
Q

A turbine used for hydro system
wherein pressurized water is
converted into a high speed jet by
passing it through a nozzle.
a. Impulse turbine
b. Reaction turbine
c. Water wheel
d. None of the above

A

Answer – impulse turbine

89
Q

A turbine for hydro system which
runs completely filled with water.
a. Impulse turbine
b. Reaction turbine
c. Water wheel
d. None of the above

A

Answer – Reaction Turbine

90
Q

A component part of solar electric
system that converts sunlight to
electricity
a. PV panel
b. Solar cell
c. Solar module
d. All of the above

A

Answer – All of the above

91
Q

Solar battery is rated in terms of
a. Dimension of the battery
b. Wattage
c. Ampere – hour
d. None of the above

A

Answer – Amp-hour

92
Q

The capacity require for 12-volt solar
panel system is 73.6 watt-hour. What
is the ampere-hour capacity of the
battery needed for the system?
a. 6.13 ampere-hour
b. 4.05 ampere-hour
c. 7.23 ampere-hour
d. None of the above

A

Answer - 6.13 ampere-hour

93
Q

The act of analyzing, testing, and
measuring the engine to remedy
the cause and trouble.
a. Servicing
b. Tune-up
c. Trouble shooting
d. All of the above

A

Answer - Trouble shooting

94
Q

When strength is provided beyond
what is needed as an extra margin
of insurance against parts failure.
a. Factor of ignorance
b. Factor of safety
c. Reliability
d. None of the above

A

Answer – Factor of safety

95
Q

An engine running without load is
in.
a. Optimum running condition
b. Low running condition
c. Idle condition
d. None of the above

A

Answer – idle condition

96
Q

Two engines are rated 1 hp and the
other is 1 ps. Which of the
following statement is true.
a. 1 hp engine is stronger than 1 ps engine
b. Two engines are the same in strength
c. 1 ps engine is stronger than 1 hp engine
d. None of the above statement is true

A

Answer - 1 ps engine is stronger than 1 hp
engine

97
Q

Japanese engines are usually rated
in terms of
a. Horsepower
b. Pferde starke
c. Watts
d. All of the above

A

Answer Pferde starke

98
Q

If the rotor of the windmill originally
at 2 meters is to be reduced to 1
meter, the power output of the
machine will be reduced by
a. Two times
b. Three times
c. Four times
d. None of the above

A

Answer – Four times

99
Q

Wind flows on a 2-m diameter rotor
at a rate of 2 m/s. Suddenly, the
wind flows at 4 m/s, what would be
the power output of the windmill?
a. 4 times
b. 6 times
c. 8 times
d. None of the above

A

Answer – 8 times

100
Q

Small gasoline engine basically has
a compression ratio of
a. 6:1
b. 10:1
c. 3:1
d. None of the above

A

Answer- 6:1

Part 1 (11 decks)

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