Part 2 Flashcards by Carhia Vibar

Power generated from a falling water.

Hydro power
Biomass power
Wind power
None of the above

Answer – hydro power

How well did you know this?

Not at all

Perfectly

Vehicle designed to pull, propel, and supply power to operate machinery used in agricultural operation.

Agricultural Tractor
Automobile
Payloader
None of the above

Answer – Agricultural Tractor

How well did you know this?

Not at all

Perfectly

The stirring wheel of the tractor can be found at

In front
At the rear
At the operator’s seat
None of the above

Answer – at the operator’s seat

How well did you know this?

Not at all

Perfectly

A substance that is added to the tractor for the purpose of changing traction and stability.

Ballast
Cage wheel
Plow
Hydraulic lift

Answer - ballast

How well did you know this?

Not at all

Perfectly

Power drive that can be found at the rear of the tractor to propel power implements and stationary machines.

Power take off drive
Hydraulic system
Differential gear
None of the above

Answer – Power takeoff

How well did you know this?

Not at all

Perfectly

Standard rpm of a tractor PTO drive.

600 rpm
200 rpm
540 rpm
None of the above

Answer – 540 rpm

How well did you know this?

Not at all

Perfectly

Standard number of splines on a PTO drive.

10
21
15
None of the above

Answer - 21

How well did you know this?

Not at all

Perfectly

A two-wheeled and hand-operated tractor used primarily as a substitute for draft animals.

Power tiller
Reaper
Seeder
None of the above

Answer Power tiller

How well did you know this?

Not at all

Perfectly

Attachment to a tractor rear wheel to increase traction.

Ballast
Cagewheel
Stirring wheel
None of the above

Answer - cagewheel

How well did you know this?

Not at all

Perfectly

Tractor part that controls the direction of the travel of the machine.

Rear wheel
Front wheel
Stirring wheel
None of the above

Answer - Stirring wheel

How well did you know this?

Not at all

Perfectly

A tractor device which automatically raises or lowers the implement in operation to maintain a given draft

Automatic draft control
Automatic position control
3-point linkage
None of the above

Answer – Automatic draft control

How well did you know this?

Not at all

Perfectly

The inherent characteristics of tractors to maintain or to produce increased drawbar pull even if the speed is reduced.

Lugging ability
Mechanical efficiency
Coefficient traction
None of the above

Answer – Lugging ability

How well did you know this?

Not at all

Perfectly

The lower PTO speed of standard four-wheel tractor is.

540 rpm
450 rpm
640 rpm
None of the above

Answer – 540 rpm

How well did you know this?

Not at all

Perfectly

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.

Spur gear
Planetary gear
Differential
None of the above

Answer - Differential

How well did you know this?

Not at all

Perfectly

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.

Differential
Universal joint
Final drive
None of the above

Answer - Final drive

How well did you know this?

Not at all

Perfectly

Standard power-take-off speed of a tractor.

100 rpm
540 rpm
1200 rpm
None of the above

Answer - 540 rpm

How well did you know this?

Not at all

Perfectly

Standard number of spline for PTO shaft.

6 spline
21 spline
20 spline
All of the above
None of the above

Answer – All of the above

How well did you know this?

Not at all

Perfectly

Standard shaft diameter of PTO shaft.

35 mm
45 mm
50 mm
Two of the above
None of the above

Answer – Two of the above

How well did you know this?

Not at all

Perfectly

If farm tractor is rated at 80 horsepower, its metric equivalent is

75 kw
60 kw
80 kw
None of the above

Answer – 60 kW

How well did you know this?

Not at all

Perfectly

The burning efficiency of rice hull furnaces is between

70-80 %
80-90 %
90 and less than 100 %
All of the above

Answer – 90 to 99%

How well did you know this?

Not at all

Perfectly

The thermal efficiency of rice hull furnaces is between

40-70 %
70-90 %
10-40 %
All of the above

Answer – 40 to 70%

How well did you know this?

Not at all

Perfectly

It is an indicator of the amount of fuel in a furnace that is converted into ash.

Burning efficiency
Thermal efficiency
Heat utilization efficiency
None of the above

Answer : Burning efficiency

How well did you know this?

Not at all

Perfectly

It indicates the ratio of the amount of heat given off by the furnace to the system and the heat used from the fuel.

Burning efficiency
Thermal efficiency
Heat utilization energy
None of the above

Answer - Thermal efficiency

How well did you know this?

Not at all

Perfectly

Which of the following is true in operating gasifier for internal combustion engine?

Only 50 to 70 % of the diesel oil can be replaced by gas producer.

Gasoline and diesel can be fueled with gas producer.

The power output of gasoline engine at arbitrary rpm will decrease by 30 to 50 % when fueled with producer gas.

All of the above

Answer - All of the above

How well did you know this?

Not at all

Perfectly

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

Answer – down draft

The primary gas produced during gasification. Methane Carbon Dioxide Carbon Monoxide All of the above

Answer: Carbon monoxide

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

Answer – None of the above

A biogas is generated inside the Gas holder Mixing tank Digester None of the above

Answer -Digester

The feed material to water ratio for biogas generation is 1:0.5 to 1:1 1:1 to 1:2 1:2 to 1:3 None of the above

Answer – 1:1 to 1:2

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

Answer - Cookstove

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

Answer – 80%

Elements necessary for combustion. Fire Air Fuel All of the above

Answer – All of the above

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

Answer – Secondary air

The amount of heat required to raise the temperature of one pound water by one degree Farenheight. Kcal BTU Joule None of the above

Answer - BTU

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

Answer – Less air is used

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

Answer – 3-11%

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

Answer – Fire box

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

Answer – Insulating the stove

The power output of an agriwaste-fired multiple-burner stove can be increased by: Providing large connecting tunnel for the pot holes Increasing the height of the chimney Providing damper to control the flow of passage of air All of the above None of the above

Answer – All of the above

The recommended angle for the inclined metal grates on the step-grate-type stove. 45-60 deg 30-40 deg 60-80 deg None of the above

Answer – 45 to 60 deg

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

Answer – Carbon monoxide

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

Answer – CH4 & CO2

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

Answer – 30 to 40

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

Answer – 50 to 70%

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

Answer – 50 to 70%

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

Answer - All of the above

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

Answer – 100 to 120 kg/m3

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

Answer – 8 to 9 cm/sec

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

Answer – 30 to 40% SA

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

Answer - Scrubber

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

Answer - Updraft

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

Answer – Power generation

The gasification rate of rice hull ranged from 90-105 kg/m2-hr 110-210 kg/m2-hr 210-240 kg/m2-hr None of the above

Answer – 110 to 210 kg/m2-hr

Rice hull gasifier efficiency normally ranged from 50-70 % 70-80 % 80-90 % None of the above

Answer – 50 to 70%

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

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

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

Answer – Cyclone furnace

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

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

The burning temperature of most agricultural waste 100-200C 300-400 C 500-600 C None of the above

Answer – 300 to 400 C

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

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

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

Answer – Its viscosity does not change easily with the change in temperature

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

Answer - High boiling point

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. Anticorrosive Antioxidants Dispersants All of the above

Answer - antioxcidant

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

Answer - Anticorrosive

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

Answer - Dispersant

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

Answer - Detonation

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

Answer - Dipstick

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

Answer - Economizer

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

Answer - All of the above

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

Answer - The diesel fuel ignition timing is late

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

Answer - The spark timing is too far advance

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

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

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

Answer – tune up

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

Answer – Concrete road

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

Answer - Constant volume combustion

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

Answer - Constant pressure combustion

The gross heating value of diesel is Higher than gasoline Higher than kerosene Higher than ethanol All of the above

Answer - Higher than ethanol

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

Answer - All of the above

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

Answer - Solid injection system

Thermal efficiency of internal combustion engine. 0 to 10 % 10 to 20 % 20 to 30 % None of the above

Answer -

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

Answer – High speed

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

Answer – Gasket

An air cooled engine is basically equipped with Pump Fan Fan and pump None of the above

Answer - Fan

A rice hull gasifier reactor that produces less tar during operation. Updraft Crossdraft Downdraft All of the above

Answer – Down draft

The primary gas produced during gasification. Methane Carbon dioxide Carbon monoxide All of the above

Answer – Carbon monoxide

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

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

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

Answer - Two stroke gasoline engine

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

Answer – All of the above

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

Answer – impulse turbine

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

Answer – Reaction Turbine

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

Answer – All of the above

Solar battery is rated in terms of Dimension of the battery Wattage Ampere – hour None of the above

Answer – Amp-hour

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? 6.13 ampere-hour 4.05 ampere-hour 7.23 ampere-hour None of the above

Answer - 6.13 ampere-hour

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

Answer - Trouble shooting

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

Answer – Factor of safety

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

Answer – idle condition

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

Answer - 1 ps engine is stronger than 1 hp engine

Japanese engines are usually rated in terms of Horsepower Pferde starke Watts All of the above

Answer Pferde starke