C:-Sution pipe
D:-High pressure pipe
Correct Answer:- Option-D

Question69:-How much pressure does the high pressure pump develop in a CRDI
engine?

A:-1000 - 2000 bar
B:-5000 - 6000 bar
C:-7000 - 8000 bar
D:-9000 - 12000 bar
Correct Answer:- Option-A

Question70:-What is the primary purpose of a Variable Intake Manifold system in a
Electronic Fuel Injection?

A:-To increase air-fuel ratio

B:-To enhance the volumetric efficiency
C:-To eliminate carbon monoxide

D:-To reduce carbon deposit

Correct Answer:- Option-B

Question71:-It is small filtering device used to remove water from the diesel fuel
before it reaches to the sensitive parts of the diesel engine

A:-Diesel fuel water separator
B:-Diesel fuel feed pump
C:-Diesel injection pump
D:-Engine gasket

Correct Answer:- Option-A

Question72:-Which of the following statement is/are correct about IACV in a EFI
engine?

1. It controls the amount of air bypassing the throttle plate to maintain the
desired idle speed

ii. It is a stepper motor or a solenoid operated valve, located on or near the
throttle body

iii. The ECU sends signals to the IACV to open or close in response to changing
engine conditions

A:-Only (i and ii)

B:-Only (i and iii)

C:-Only (ii and iii)

D:-All of the above (i, ii and iii)

Correct Answer:- Option-D
Question73:-MAP sensor measure the

A:-Exhaust manifold pressure