Kindly write the answers correctly in the box mentioned below

1.     Which tool are required to check cylinder head flatness?

A Straight edge and slip gauge

B Straight edge and dial gauge

C Straight edge and plug gauge

D Straight edge and feeler gauge

2.     Which part of the engine used to measure the flatness?

A Oil pan

B Crank case

C Engine block

D Cylinder head

3.     What is the action to be taken before check the flatness of cylinder head?

A Apply oil on the surface

B Apply marking media on surface

C Apply soft cloth to clean the surface

D Apply air pressure with cleaning solvent