In tractor engine which of the following is a device in which liquid fuel is converted into gaseous fuel? 1. Piston 2. Carburetor 3. Both 1 and 2 4. none of these ans 1

1 Answer

Answer :

ans 1

Related questions

Description : Which of the following is a device used on a tractor or stationary engine for maintaining nearly constant engine speed under varying loads? 1. Volatility of fuel 2. Governor 3. Pre-ignition 4. carburetor

Last Answer : <!-- [if !supportLists] -->1.   <!-- [endif] -->ans 2  

Description : Vapour lock is a. complete or partial stoppage of fuel supply due to vaporization of the fuel b. locking of carburetor due to high vapor pressure c. excess fuel supply to the engine d. supply of liquid fuel to the engine

Last Answer : ANSWER a. complete or partial stoppage of fuel supply due to vaporization of the fuel

Description : Rate of burning in the compression ignition engine can be controlled by a. rate of injection of fuel b. rate of air taken into carburetor c. both a. and b. d. none of the above

Last Answer : ANSWER a. rate of injection of fuel

Description : Linear motion of the piston in a heat engine is converted into circular motion by

Last Answer : Crankshaft.

Description : The fuel air ratio in a petrol engine fitted with suction carburetor, operating with dirty air filter as compared to clean filter will be A. higher B. lower C. remain unaffected D. unpredictable

Last Answer : ANSWER : A

Description : The air-fuel ratio of the petrol engine is governed by A. fuel pump B. governor C. carburetor D. injector

Last Answer : ANSWER : C

Description : Mixing of air and fuel in the diesel engine occurs in a. injection pump b. carburetor c. engine cylinder d. inlet manifold

Last Answer : ANSWER c. engine cylinder

Description : The engine produces dark black smoke due to a) Burning of oil b) Due of incomplete combustion c) Due to moisture in fuel d) None of these Ans. b

Last Answer : ans b

Description : Choke in a I.C. engine is used to control a) Camshaft speed b) Specific fuel consumption c) Air fuel mixture d) Crankshaft speed Ans. c

Last Answer : ans c

Description : Fuels that may classified conveniently in solid, liquid and gaseous.  a. Unleaded fuel  b. Diesel fuel  c. Fossil fuel  d. All of the above

Last Answer : Fossil fuel

Description : During turning the traction while operating MB plough a) Plough should be lifted b) Plough should not be lifted c) Stop the tractor and lift the plough d) Unable to lift Ans. a

Last Answer : ans a

Description : pressure should be high in front wheel of the tractor because of a) high slippage b) low slippage c) high traction d) easy steer ability Ans. d

Last Answer : ans d

Description : Penetration of a trailed type disc harrow is not affected by a) Size of disc b) Angle of disc c) Weight of disc d) Tractor hydraulic system Ans. d

Last Answer : Ans. d

Description : Shortening of top link of tractor three-point hitch system a) Increases weight transfer on rear wheels b) Decreases weight transfer on rear wheels c) Increases penetration of implement d) Decreases penetration of implement Ans. d

Last Answer :  Ans. d

Description : A tractor seat suspension should have its natural frequency in the range of a) 0.5 to 2.0 Hz b) 2.0 to 4.0 Hz c) 4.0 to 6.0 Hz d) 6.0 to 8.0 Hz Ans. a

Last Answer : ans a

Description : The EGT indication on a piston engine is used: a. To control the cooling air shutters b. To monitor the oil temperature c. To assist the pilot to adjust the fuel mixture d. To indicate cylinder head temperature

Last Answer : c. To assist the pilot to adjust the fuel mixture

Description : The EGT indication on a piston engine is used: a. To control the cooling air shutters b. To monitor the oil temperature c. To assist the pilot to adjust the fuel mixture d. To indicate cylinder head temperature

Last Answer : c. To assist the pilot to adjust the fuel mixture

Description : The piston of a steam engine moves in S.H.M. The crank rotates at 180 r.p.m. and the stroke length is 2 metres. The linear velocity of the piston when it is at a distance of 1 metre from the centre is a.8.88 m/sec b.16.32 m/sec c.5.88 m/sec d.8.16 m/sec e.Zero

Last Answer : e. Zero

Description : The gaseous form of chlorine gets converted into liquid form when subjected to a pressure of  (A) 5 kg/cm2 (B) 6 kg/cm2 (C) 7 kg/cm2 (D) 10 kg/cm

Last Answer : (C) 7 kg/cm

Description : Liquid hydrocarbons are converted to low molecular weight gaseous hydrocarbons by a process known as (a) hydrogenation (b) reforming (c) cracking (d) reduction

Last Answer : Ans:(c)

Description : __________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm2 . (A) Centrifugal (B) Piston (C) Plunger (D) Vane

Last Answer : (C) Plunger

Description : The energy of expanding gas is transferred by piston to connecting rod through a. Crank pin b. Gudgeon pin c. Bearing d. Crankcase (Ans:b)

Last Answer : Which of the following is not used in four stroke compression-ignition (CI) engines? a. Fuel pump b. Spark plug c. Fuel injector d. Inlet and outlet Valves (Ans:b)

Description : In four stroke engine which of the following is also known as power stroke a. Suction stroke b. Compression stroke c. Expansion stroke d. Exhaust stroke (Ans:c) Measurements of fuel and air ... into IC engine,___________its efficiency A. increase B. decrease C. does not alter D. unpredictable on

Last Answer : ANSWER : B

Description : In tractor engine the complete path of power from the engine to the wheel is called 1. Power train 2. Power wheel 3. Both 1 and 2 4. none of these

Last Answer :     <!-- [endif] -->ans 1

Description : In a simple carburetor, the air-fuel ratio increases when the A. density of air increases B. velocity of air increases C. velocity of air decreases D. density of air decreases

Last Answer : ANSWER : B

Description : In a carburetor the level of the fuel in the float chamber as compared to the level of the main jet in the venture is A. lower B. same C. higher D. same or higher

Last Answer : ANSWER : A

Description : Heat engine deriving its power from the energy liberated by the explosion of a mixture of some hydrocarbon, in a gaseous or vaporized form.  a. Dual Combustion Engine  b. Internal Combustion Engine  c. External Combustion Engine  d. None of the above

Last Answer : Internal Combustion Engine

Last Answer : Petrol engine has carburetor

Description : The battery has following three major functions to perform: a) To provide a source of current for engine starting, lighting and use of horn. b) To help control the voltage in the electrical system. c ... the current produced by dynamo/alternator and to furnish the current d) all of the above. Ans. d

Last Answer : ans d

Description : A turbo chargers are driven by 1. Engine 2. Exhaust gas 3. Dynamo 4. PTO ans 2

Last Answer : ans 2

Description : A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the (A) Presence of large ... fuel (C) High sulphur content in the fuel (D) Lack of thorough mixing of fuel with air

Last Answer : (D) Lack of thorough mixing of fuel with air

Description : The optimum percentage of excess air for combustion depends upon the__________ of the fuel. (A) Type (solid, liquid or gaseous) (B) Calorific value (C) Sulphur content (D) Ignition temperature

Last Answer : (A) Type (solid, liquid or gaseous)

Description : White smoke coming out of the chimney of a furnace indicates the useof (A) Low excess air (B) Very high excess air (C) Gaseous fuel in the furnace (D) Liquid fuel in the furnace

Last Answer : (B) Very high excess air

Description : A stable interface between solid _________ liquid ____________ and gaseous ___________ promotes high rate of electrode processes. a) Fuel, electrolyte, electrode b) Electrode, fuel, electrolyte c) Electrode, electrolyte, fuel d) Fuel, electrode, electrolyte

Last Answer : c) Electrode, electrolyte, fuel

Description : What refers to the state at which liquid and gaseous phases are indistinguishable?  a. Triple point  b. Critical point  c. Boiling point  d. Pour point

Last Answer : Critical point

Description : What is the unique state at which solid, liquid and gaseous phase can go co-exist in equilibrium?  a. Triple point  b. Critical point  c. Boiling point  d. Pour point

Last Answer : Triple point

Description : _________________ is the name given to a gaseous phase that is in contact with the liquid phase, or that is in the vicinity of a state where some of it might be condensed.  a) Vapor  b) Saturated Vapor  c) Superheated Vapor  d) Wet Vapor

Last Answer : Vapor

Description : What is the amount of heat needed to turn 1kg of the substance at its boiling point from the liquid to the gaseous state?  A. Heat of fusion  B. Heat of vaporation  C. Heat of condensation  D. Heat of fission

Last Answer : Heat of vaporation

Description : Tractor engine oil should be changed and all grease points should be lubricated after every working hrs 1. 15 2. 30 3. 60 4. 120

Last Answer : ans 4

Description : . Tractor engine is used as A. General purpose C. Special purpose B. Prime mover. D. None of the above

Last Answer : Prime mover

Description : Piston displacement is the volume displaced by the piston during one stroke and is usually expressed in 1. Cubic meter 2.cubic inches 3. Both of these 4. none of these

Last Answer :    <!-- [endif] -->ans-1

Description : In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous (A) Uranium oxide (B) Uranium hexafluoride (C) Uranium carbide (D) Uranium sulphate

Last Answer : (B) Uranium hexafluoride

Description : When liquid water is converted to steam at 100˚C, the entropy of water  a. increases  b. decreases  c. remains the same  d. none of the above

Last Answer : increases

Description : A dash pot consists of a cylinder 10 cm in diameter in which slides a piston 12 cm long having a radial clearance of 1 mm. The cylinder is filled with oil having a viscosity of 1 poise. What will be the resistance offered ... with a velocity of 3 cm/sec a.1090 kg b.100 kg c.10900 kg d.10 kg e.50 kg

Last Answer : c. 10900 kg

Description : If piston displacement is deducted from the total volume of cylinder the remaining volume is known as 1. piston displacement 2. Clearance volume 3. displacement volume 4.compression ratio

Last Answer : ans 2

Description : The pump is used in power-operated sprayer is: A. Plunger type B. Diaphragm type C. Gear type D. Piston type

Last Answer : Gear type

Description : Gas is enclosed in a cylinder with a weighted piston as the stop boundary. The gas is heated and expands from a volume of 0.04 m^3 to 0.10 m^3 at a constant pressure of 200kPa.Calculate the work done by the system.  A. 8 kJ  B. 10 kJ  C.12 kJ  D.14 kJ Formula: W = p(V2-V1)

Last Answer : 12 kJ

Description : A gas is enclosed in a cylinder with a weighted piston as the top boundary. The gas is heated and expands from a volume of 0.04 m3 to 0.10 m3 at a constant pressure of 200 kPa. Find the work done on the system.  a. 5 kJ  b. 15 kJ  c. 10 kJ  d. 12 kJ

Last Answer : 12 kJ

Description : A gas is compressed in a cylinder by a movable piston to a volume onehalf its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be  (a) 300 Nm  (b) 300,000 Nm  (c) 30 Nm  (d) 3000 Nm  (e) 30,000 Nm.

Last Answer : Answer : b

Description : What is the speed of the piston in the cylinder of a petrol engine ?

Last Answer : The speed of the piston in the cylinder of a petrol engine is also the speed of the alternator.