In a single acting, four-stroke/cycle diesel engine, the power impulse in an individual cylinder occurs ()
A、once every crankshaft revolution
B、once every two crankshaft revolutions
C、once every piston stroke
D、twice every piston stroke
A、once every crankshaft revolution
B、once every two crankshaft revolutions
C、once every piston stroke
D、twice every piston stroke
A、bearing pressure in a four-stroke\cycle acting single diesel engine is continually reversed B、bearing pressure in a two-stroke\cycle single acting diesel engine is continually reversed C、the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine D、two-stoke/cycle diesel engines require more complicated lubrication piping
A、once every crankshaft revolution B、once every two crankshaft revolutions C、once every piston stroke D、twice every piston stoke
A、double-acting engine B、opposed pistons engine C、single-acting engine D、horizontal acting engine
A、the Quebec Act of 1774 B、the Treaty of Paris in 1763 C、the Constitutional Act of 1791 D、the Act of Union in 1840
A、the Quebec Act of 1774 B、the Treaty of Paris in 1763 C、the Constitutional Act of 1791 D、the Act of Union in 1840
A、the Act of Union in 1840 B、the British North America Act of 1867 C、the Quebec Act of 1774 D、the Constitutional Act of 1791
A、A.the Act of Union in 1840 B、B.the British North America Act of 1867 C、C.the Quebec Act of 1774 D、D.the Constitutional Act of 1791
A、direction of air flow within the cylinder B、sequence of port opening C、method of opening exhaust ports D、volume of air admitted to the cylinder