《轮机维护与修理(二三管轮)》模拟卷1（Engine maintenance and repair (second and third wheel) simulation volume 1）.docVIP

《轮机维护与修理(二三管轮)》模拟卷1（Engine maintenance and repair (second and third wheel) simulation volume 1） Engine maintenance and repair (second and third wheel) simulation volume 1 added time: 2011-4-30 18:56:27 click rate: 50 engine maintenance and repair (second and third wheel) simulation volume 1 (100 questions) 1. The thickness of the wall shall be made out of the inner disk of the bearing seat (21254). A. With A thin end. B 2. After wear of piston ring groove, measure with... (20144) A. The sample B. The plug ruler C. Height vernier calipers D. Sample and plug 3. In order to meet the working requirements of the piston pin, the piston pin should be used in _______ heat treatment (20799). A. Quenching and high temperature tempering B. Quenching and low temperature tempering C. Carburizing and low temperature tempering D. Quenching and tempering 4. In the inspection of the rod bearing bolts of the diesel engine connecting rod, the following operation is wrong (20670). A. it is necessary to check whether the installation of each nut lock device is reasonable and loose B. The stretching length of the connecting rod bolts must be measured C. When changing a new bolt, the other bolts must be loosened and then crossed D. Bolts and nuts for the same big end bearing can be interchanged 5. The diesel engine flywheel makes the crankshaft axial line state produce _______ deformation, and the distance between the arm distance and the direction is changed (21074). A. Arching/negative increase of B. The first end arch/negative value increases C. Tail arch/negative value increases 6. Excessive wear and tear of piston rings makes... decrease. A. Ring height/plane clearance B. Slot height/plane clearance C. Ring thick/gap D 7. Dirt of air cooler (21162) A. Cooling water inlet and inlet temperature difference reduces the pressure difference of the inlet and exit of cooling water. C. Air temperature decreases d. cooling water inlet and exit temperature difference increases 8. Leakage betwee