STUDY LESSON:-35 [CIVIL ENGINEERING]
For Competitive exams/Railway jobs/Semester exam/Self Study Purpose
1. ___________ gears are used in spring driven watches and clocks.
2. Ball bearing steel balls ae made of __________
3. The bearing used in railway wagons are _________
4. Spring constant of a spring is also termed as __________
5. Spring stiffens can be derived as ________
6. The critical speed of shaft is related to _________ its shaft diameter.
7. The maximum size of a fillet weld can be used is
a) 2mm b) 5mm c) 3mm d) none of these
8. The end condition to be considered for IC engine rod to avoid buckling should be _________
9. The types of spring used in Door shutters are __________
10. The anti friction bearing consists of __________
Answers:-
1. Cycloid gears
2. Carbon Chrome steel
3. Roller bearings
4. stiffness
5. Load/unit Deflection
6. Double
7. c) 3mm
8. Both ends are hinged
9. Helical torsion spring
10. Races and rolling elements
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