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Machine Design Practice Test: Cylinders and Pressure Vessels and Design of IC Engine Components
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Cylinders and Pressure Vessels and Design of IC Engine Components topics include: Compound cylinder, pressure vessels, gaskets and IC engine component design. Here are some components of an internal combustion (IC) engine: Crankshaft: A long, complex-shaped rod that converts the piston's reciprocating motion into rotary motion. Connecting rod: Connects the piston to the crankshaft, transferring force and translating the piston's reciprocating motion into the crankshaft's circular motion. Piston: A moving component contained by a cylinder, with piston rings that make it gas-tight. The... Show more
Machine Design Practice Test: Cylinders and Pressure Vessels and Design of IC Engine Components
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25 Questions

1. A compound cylinder consists of
2. A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². Calculate the interference [E=210kN/mm²].
3. A seamless cylinder of storage capacity of 0.03mᵌis subjected to an internal pressure of 21MPa. The ultimate strength of material of cylinder is 350N/mm².Determine the thickness of the cylinder if it is twice the diameter of the cylinder.
4. Autogreggate is a process of ___ stressing the cylinder.
5. The piston rod of a hydraulic cylinder exerts an operating force of 10kN. The allowable stress in the cylinder is 70N/mm². Calculate the thickness of the cylinder using Clavarinoe’s equation. Diameter of the cylinder is 240mm.μ=0.3 and pressure in cylinder is 15MPa.
6. A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². Calculate the tangential stress due to shrink shift in inner tube.
7. A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². In service the cylinder is further subjected to an internal pressure of 25MPa. Calculate the tangential stress in compound cylinder.
8. A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². Calculate the shrinkage pressure.
9. The circumferential hoop stress and longitudinal stress are both shear stress.
10. There are ____ types of liners.
11. A cylinder is considered thin when the ratio of inner diameter to wall thickness is more than 5.
12. Petrol engine are more economical than diesel engine.
13. A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². Calculate the radial stress due to shrink shift in inner tube.
14. A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². Calculate the tangential stresses due to shrink shift in jacket.
15. If diameter of cylinder bore is 120mm, then thickness of water jacket wall will be
16. Asbestos gaskets like other non-metallic gaskets can be used only up to a temperature of 70⁰C.
17. Can we pre-stress the cylinder by subjecting cylindrical portion near inner diameter in plastic range and outer diameter is still in the elastic range.
18. If diameter of cylinder bore is 120mm, then thickness of water cylinder flange will be
19. Tangential stress in a cylinder is given by [symbols have their usual meanings].
20. If diameter of cylinder of bore is 120mm, then thickness of the cylinder will be
21. The circumferential hoop stress and longitudinal stress act in same direction and hence are straight away added.
22. Lame’s equation used to find the thickness of the cylinder is based on maximum strain failure.
23. Cylinder having inner diameter to wall thickness ratio less than 15 are
24. If nominal diameter of bolt used is 20mm, then find the radial distance between outer diameter of flange and pitch circle diameter of studs.
25. Compression Ratio in diesel engine is lesser than that in Spark Ignition engine.