WBBSE Madhyamik Vocational Automobile Practice Questions - West Bengal Board Class 10 Secondary Examination Vocational Automobile (NSQF Level 2) Exam

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Why must engine cylinder head bolts be tightened using a calibrated torque wrench in a specified cross-pattern sequence?

To lubricate the cylinder head deck surface automatically To prevent the bolt threads from ever being unthreaded during maintenance To increase the engine stroke length and compression ratio To ensure uniform clamping force and prevent cylinder head warping or gasket failure

Correct Answer:

To ensure uniform clamping force and prevent cylinder head warping or gasket failure

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