A: Aconnecting rods
B: Bmain bearing
C: Ccolumn
D: Dtie rods
举一反三
- A-frames and cylinder block is held together by （） to form a rigid structure. A: connecting rods B: piston rods C: tie rods D: jack-bolt
- Block group contains______. A: connecting rods,crankshaft and flywheel B: pistons,connecting rods and oil pan C: cylinder block,cylinder head and oil pan D: piston rings,gasket and connecting rods
- A-frames are mounted on the bed plate and support （） and cylinder block. A: the main bearing B: the cylinder cover C: the entablature D: the sum
- Block group contains ________. A: connecting rods, crankshaft and flywheel B: pistons, connecting rods and oil pan C: cylinder block, cylinder head and oil pan
- The sealing rings are in four parts and pressed together around the piston rods by means of （）.
内容
- 0
Cylinder block or engine block is actually a complex machined casting unit.
- 1
Suppose that both the cross-sectional area A and the length L of two straight rods are the same, and the axial tension forces P at both ends of the two are also the same. Only the materials of the two rods are different. Which statement about the stress σ and the elongation ΔL of the two rods is right?__________
- 2
The complete assembly of bedplate， A-frames and cylinder block is held together by （） to form a rigid structure. A: tap-bolts B: jack-bolts C: tie rods D: fitted rod
- 3
Twin Room means ( ). A: a room with a single bed B: a room with two single beds C: a room with a queen-size bed D: a set of rooms
- 4
Which of the following engines has no significant effects on energy saving and emission reduction?_____ A: Electronic-controlled injection diesel engine B: Gas turbine C: Gas engine D: Dual fuel engine