MDE 14 Q1

1 / 6

Which safety interlock prevents the hydraulic oil start system from operating if certain conditions are not met?

C) Engine temperature sensor

D) Starting motor relay

A) Hydraulic pressure switch

B) Battery voltage sensor

2 / 6

In a hydraulic oil start system, what is the purpose of the hydraulic control valve?

A) To regulate the flow of hydraulic fluid to the starting motor

D) To provide additional cooling to the hydraulic system

B) To filter impurities from the hydraulic fluid

C) To monitor the temperature of the hydraulic oil

3 / 6

Which of the following components is typically included in a diesel engine hydraulic oil start system?

B) Fuel filter

A) Hydraulic pump

D) Turbocharger

C) Air compressor

4 / 6

Which interlock is commonly found in a diesel engine hydraulic oil start system to ensure safe operation?

D) Fuel pressure regulator

B) Hydraulic fluid level sensor

C) Coolant temperature gauge

A) Engine oil pressure switch

5 / 6

What is the primary function of the hydraulic oil start system in a diesel engine?

B) To provide additional cooling to the engine

D) To enhance the lubrication of engine components

C) To initiate the engine’s start-up by engaging the starting mechanism

A) To assist with fuel injection timing

6 / 6

What role does the hydraulic accumulator play in the hydraulic oil start system of a diesel engine?

D) It filters impurities from the hydraulic oil

C) It maintains hydraulic pressure for starting the engine

A) It stores excess hydraulic fluid for future use

B) It regulates the fuel supply to the engine

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