MDE 15 Q1

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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.

D) Add an inhibitor to the coolant system.

A) Leave the coolant in place to protect the 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?

C) To check for wear patterns.

B) To prevent mixing up the bolts during reassembly.

D) To facilitate easier torqueing during reinstallation.

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

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

C) To make the bolts easier to remove.

B) To ensure the coolant is fully drained.

A) To prevent distortion of the cylinder head.

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.

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

B) Disconnect the fuel lines and electrical connections.

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

A) Use a torque wrench for all bolts.

D) Check the fuel quality before proceeding.

B) Wear appropriate personal protective equipment (PPE).

C) Ensure the engine is in gear.

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