Industrial rivets are normally specified according to_______________?
Show answer Hide answer
Answer: D. nominal diameter
Explanation
Industrial rivets are normally specified and designated according to the nominal diameter of their shank. The shank diameter determines the hole size required and the shear strength of the joint. Standard sizing charts ensure fasteners match engineering drawings and structural requirements. Rivets are permanent mechanical fasteners used to join metal plates and structural sections. Selecting the correct fastener size ensures structural integrity under shear and tensile loading. Manufacturing standards establish consistent dimensions for industrial rivet heads and shanks.
Structural steel construction and shipbuilding historically relied heavily on riveted connections. Boiler fabrication required robust rivets to maintain pressure-tight joints under operating loads. Quality control inspectors verify rivet dimensions before assembly to guarantee joint strength. Plate thickness dictates grip length requirements rather than serving as the primary rivet specification. Rivet length varies based on total clamped thickness, making shank diameter the standard designator. Head diameter is proportional to shank size, but nominal diameter remains the primary designation.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
Related questions
Q1. Typical machine screws are classified as________________?
Show answer Hide answer
Answer: B. slotted for a screw driver and generally used with a nut
Machine screws are standard threaded fasteners featuring slotted or recessed heads designed for screwdriver engagement. They are commonly used with matching nuts or threaded directly into tapped holes in machine componen...
Q2. A split nut operates as a locking mechanism in which_________________?
Show answer Hide answer
Answer: B. a slot is cut partly in middle of nut and then slot reduced by tightening screw
A split nut features a partial slot that allows the clamping portion to close securely. Tightening a separate screw reduces the width of the slot to generate tight thread friction. This mechanism creates a reliable locki...
Q3. The detrimental effects of stress concentration under static loading conditions are most prominent in__________________?
Show answer Hide answer
Answer: B. brittle materials
Brittle materials lack the capacity for microscopic plastic yielding around sharp notch tips. Stress concentrations create severe localized stress spikes that easily trigger brittle crack propagation. Static loads exacer...
Q4. The nature of stress concentration under cyclic loading is____________________?
Show answer Hide answer
Answer: C. equally serious in both types of materials
Stress concentrations create localized high-stress zones around geometric discontinuities like holes, notches, and fillets. Under cyclic fatigue loading, these stress spikes initiate microscopic cracks in both ductile an...
Q5. The severity of stress concentration under cyclic fatigue loads is higher in__________________?
Show answer Hide answer
Answer: A. ductile materials
Ductile materials exhibit higher notch sensitivity under cyclic fatigue loading conditions. Stress concentration factors create severe localized plastic strain at notches in ductile metals. This high sensitivity signific...
Q6. The spring index is expressed as___________________?
Show answer Hide answer
Answer: A. ratio of coil diameter to wire diameter
The spring index is defined mathematically as the ratio of mean coil diameter to wire diameter. This dimensionless geometric parameter helps evaluate the manufacturability of helical coil springs. Dividing the coil diame...