Diesel Fuel System MCQ Question and Answer | ITI Mechanic Diesel

ITI Mechanic Diesel Trade Diesel Fuel System MCQ Question and Answer for CBT Online exam for NCVT AITT (All India Trade Test).  Practice all Mechanic Diesel Trade MCQ (Multiple choice Question). Also you can practice mock test exam online

Mechanic Diesel Trade MCQ also useful for competitive exam like PSU Job exam As well as Government Job Exam, Apprentice job.

ITI Mechanic Diesel | Diesel Fuel System MCQ

1.

Which part build up fuel injection pressure in fuel injector?

1. Solenoid
2. Regulator
3. Common rail
4. Fuel pump

2.

How the CRDI injectors pressure control valve operated?

1. Mechanically
2. Electronically
3. Manually
4. Hydraulic

3.

Which electronic unit gives signal to operate IAC valve?

1. ECM
2. EDU
3. Solenoid
4. SCV

4.

Where is the pressure discharge valve fitted in CRDI fuel system?

1. Common rail
2. Fuel pump
3. Injectors
4. Fuel filter

5.

How many fuel chamber’s are in HEUI?

1. One
2. Two
3. Three
4. Four

6.

Which is develop diesel pressure in the CRDI engine

1. ECM
2. Injection
3. Fuel tank
4. High pressure pump

7.

How much maximum pressure, develops by high pressuer diesel pump in CRDI engine

1. 500 Kg/cm2
2. 800 Kg/cm2
3. 2000 Kg/cm2
4. 1600 Kg/cm2

8.

Which type of pump ensures in built and uniform delivery to all injectors in diesel engine?

1. Jerk type pump
2. In line pump
3. Rotary type pump
4. Servo type pump

9.

What is the name of the governor in which the control rack connected with counter weight floating lever?

1. Mechanical governor
2. Pneumatic governor
3. Hydraulic governor
4. Servo governor

10.

Which fuel related with cetane number?

1. Petrol
2. Diesel
3. Coal
4. Kerosene

11.

Where the diesel fuel is obtained?

1. Crude oil
2. Vegetable oil
3. Animal oil
4. Synthethic oil

12.

Which fuel pipe line is provided between fuel filter and injectors?

1. Suction pipe
2. Pressure pipe
3. Vacuum pipe
4. Over flow pipe

13.

What is the name of nozzle?

1. Single hole nozzle
2. Multi hole nozzle
3. Delay nozzle
4. Pintle nozzle

14.

What is the name of nozzle?

1. Single hole nozzle
2. Multi hole nozzle
3. Pintle nozzle
4. Pintaux nozzle

15.

What is the name of nozzle?

1. Single hole nozzle
2. Multi hole nozzle
3. Pintle nozzle
4. Pintaux nozzle

16.

Which part is atomise the fuel into engine cylinder?

1. Injector
2. FIP
3. Governor
4. Feed pump

17.

Which type of fuel system is best suited for less fuel consumption, more power and reduce the exhaust emmision?

1. Inline pump system
2. Rotory pump system
3. Distributor pump system
4. CRDI system

18.

Which fuel system develop the high diesel pressure by hydraulic energy?

1. Inline FIP
2. Distributor FIP
3. CRDI fuel system
4. HEUI fuel system

19.

What is the expansion of HEUI?

1. Hydraulically actuated electronically controlled unit injector
2. Hydraulically actuated electrically controlled unit injector
3. Hydro-electric controlled unit injector
4. Hydrolic effective controlled unit injector

20.

What is the name of the part marked as ‘x’?

1. Nozzle
2. Nozzle holder
3. Spindle
4. Injector body

21.

What is the name of equipment?

1. FIP tester
2. Injector tester
3. Pump tester
4. Compression tester

22.

What is the name of the part marked as ‘x’?

1. Swan neck pipe
2. Diesel pipe
3. ‘U’ band pipe
4. Leakage pipe

23.

Which part in the fuel injection pump compress the diesel?

1. Governor
2. Rack rod
3. Sleeve
4. Plunger

24.

What is the advantages of CRDI system?

1. Increase engine noisy
2. Reduce the engine torque
3. Increase fuel consumption
4. Above 25% of power developed

25.

Which feed system reduces above 50% unburnt hydro carbon?

1. In line fuel injection system
2. Distributor fuel injection system
3. Electronic control system
4. Air blast fuel injection system

26.

Which electronic device controls the engine system?

1. Regulator
2. Ecm
3. Fuse
4. Switch

27.

In CRDI engine fuel system, where the excessive fuel return?

1. Reside in the rail itself
2. Return to high pressure pump
3. Return to the fuel tank
4. Return to fuel filter

28.

What is the function of heater plug?

1. Warm up fuel pump
2. Warm up combustion chamber
3. Warm up injector
4. Warm up valves

29.

Why fuel filter is essential in diesel engine?

1. Increase the power
2. Prevent dirty smoke
3. Easy starting
4. Mirror polishing finish in nozzle and FIP

30.

How the pressure, is maintaining in the high pressure pipe line of FIP?

1. Control rack
2. Delivery valve
3. Barrel
4. Plunger

31.

How much maximum fuel pressure developed in fuel injection pump?

1. 100 to 200Kgf/cm2
2. 200 to 300Kgf/cm2
3. 300 to 400Kgf/cm2
4. 400 to 700Kgf/cm2

32.

How the quantity of fuel delivery vary in running diesel engine?

1. By plunger
2. By control sleeve
3. By control rack
4. By injection

33.

What is the purpose of glow plug in pre-combustion chamber in diesel engine?

1. Completing combustion
2. Delaying combustion
3. Advance combustion
4. Initiating combustion

34.

What is the purpose over flow valve in fuel filters

1. To supply more fuel to filter
2. To send back excess diesel to fuel tank
3. To supply clean diesel
4. To take the leaking fuel

35.

Why baffles are provided in the fuel tank?

1. Minimize the slashing of fuel in the tank
2. To strengthen the fuel tank
3. To make chambers in the fuel tank
4. To make square andlengthy fuel tank

36.

Why an auxillary spray hole provided in the pintaux nozzle?

1. To assist easy starting under cold condition
2. To assist stop under cold condition
3. To provide rich fuel under cold condition
4. To provide very less fuel supply

37.

Which nozzle having an auxillary spray hole with main hole?

1. Single hole nozzle
2. Multi hole nozzle
3. Pintle nozzle
4. Pintaux nozzle

38.

Which type of fuel system has high pressure oil pump in diesel engine?

1. Inline FIP
2. Rotary FIP
3. CRDI fuel system
4. HEUI fuel system

39.

Which is control the minimum and maximum speed of the diesel engine?

1. FIP
2. Governor
3. Injector
4. Feed pump

40.

How much time taken to give signals to ECM after ignition switch on?

1. One second
2. Two second
3. Three second
4. Four second

41.

What is the effect of detonation occurs in diesel engine?

1. Knocking sound in engine
2. More engine power
3. High engine speed
4. Suddenly stop the engine