27． If the X-43A goes round the earth，

1、If the metacenteroic height is small,a

If the metacenteroic height is small,a floating vessel will（）.Abe tenderBhave a quick and easy motionCbe stiffDyaw

2、If the speed of a turbocharged diesel

If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）Adecrease until the engine speed increasesBincrease as the load increasesCdecrease as the loadDincreases remain unchanged

3、If the compensating needle valve of a

If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will （）Ahave a larger than normal dead b...

4、If clearance between a piston and the

If clearance between a piston and the cylinder wall is excessive, piston slap will occurThe slap itself is caused by （）Aalternation of side ...

5、A plane that cuts the Earth’s surface

A plane that cuts the Earth’s surface and passes through the poles will always form（）.Athe equatorBa loxodromic curveCa small circleDa meridia

6、For the deepest water when rounding a

For the deepest water when rounding a bend in a river，you should navigate your vessel（）.Atoward the inside of the bendBtoward the outside of...