單項選擇題For Vee-form engines, （） is shaped to given two slopping surface on which （） are placed at the correct relative angle to each other.

A.the bottom of the column；the cylinder blocks
B.the top of the column；the cylinder heads
C.the top of the column；the cylinder blocks
D.the bottom of the column；the cylinder heads


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1.單項選擇題As to the low speed diesel engine, if you want to change the coolant flow for a certain cylinder, you can regulate （）.

A.the inlet valve
B.the outlet valve
C.both the inlet valve and the outlet valve
D.the pump inlet valve

3.單項選擇題The opening or closing of the cylinder starting valve is controlled by （）.

A.the starting air distributor
B.the cut-off valve on the air main
C.the main starting valve
D.the air bottle control valve

5.單項選擇題Cylinder wall temperature, fuel oil supplier, and oil passage （）.

A.are interdependent
B.are not interdependent
C.have nothing to do with each other
D.are independent