MDE 15 Q1

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2. What is the primary reason for ensuring the engine is cooled down before removing the cylinder head?

A) To prevent distortion of the cylinder head.

B) To ensure the coolant is fully drained.

C) To make the bolts easier to remove.

D) To maintain the integrity of the fuel lines.

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1. Which of the following is the first step in preparing to remove a diesel engine cylinder head?

A) Loosen the cylinder head bolts in any order.

C) Ensure the engine is at operating temperature.

B) Disconnect the fuel lines and electrical connections.

D) Secure all necessary permits and ensure the engine is properly isolated.

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4. What should be done with the coolant before removing the cylinder head?

C) Top off the coolant to prevent air pockets.

A) Leave the coolant in place to protect the system.

D) Add an inhibitor to the coolant system.

B) Drain the coolant to prevent it from spilling into the cylinders.

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5. Why is it important to mark the location of each cylinder head bolt during removal?

D) To facilitate easier torqueing during reinstallation.

C) To check for wear patterns.

B) To prevent mixing up the bolts during reassembly.

A) To ensure they are reinstalled in the correct sequence.

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3. Which safety precaution is most critical when handling the cylinder head removal?

C) Ensure the engine is in gear.

B) Wear appropriate personal protective equipment (PPE).

D) Check the fuel quality before proceeding.

A) Use a torque wrench for all bolts.

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