Define the following terms with respect to springs...............
2015 WINTER
State the meaning of following colour codes in aesthetic consideration while designing the product:..........
1) Red: Danger,Hot 2) Orange: Possible Orange 3) Green : Safe 4) Blue: Cold
How keys are classified? Give detailed classification of keys with neat sketches; also state their applications.
Keys are classified on the basis of shape and application of keys.………………are 1) Sunk Key : a) Rectangular sunk key b) square sunk key c) Gib head key d) feather key e) Woodruff key 2) Saddle key a) Flat saddle key b) hollow saddle key 3) Round key 4) Splines …………………: 1) Sunk Key : used for heavy duty application a) Rectangular sunk key : for preventing rotation of gears and pulleys on shaft b) Gib headed key: used where key to be removed frequently.
Explain with neat sketch the bolts of uniform strength.
Prove that for square key equally strong in shear and crushing, ....................
Design an offset link for a load of 1000 N. Maximum permissible stress in tension for link material is 60 N/mm2. Assume b = 3t for rectangular cross section of the link.
State the composition of following materials................
i) Fe E 230 : Steel with min.Yield strength of 230N/mm2 ii ) X20Cr 18 Ni 2:Specification: It is ALLOY STEEL having Carbon 0.20% ,Chromium 18% and Nickel 2% iii )35 C 8 : steel with 0.35% carbon & 0.8% Manganese.
iv) 40 Ni 2 Cr 1 Mo 20 :Alloy Steel having 0.4% carbon,0.5% Nickel, 0.25% chromium,2.8% Molybdenum.
Design ‘‘C’’ clamp frame for a total clamping force of 20 kN............
Explain with neat sketch the stress-strain diagram for ductile material.
Explain the design procedure of bush pin type flexible coupling with neat sketch
It consist of two shafts, two key, flanges, key, pin, rubber bush, brass bush, & pin ,following are the designations of various coupling dimensions which are use for the design procedure.
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