When Melting S₈,________ Forces Must Be Overcome and S₈ Is

question 52

Multiple Choice

When melting S₈,________ forces must be overcome and S₈ is expected to have a ________ melting point than MgS.

• A)covalent bonding,higher
• B)covalent bonding,lower
• C)intermolecular,higher
• D)intermolecular,lower

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Definitions:

Nonservo Brake

A drum brake system where the shoes are not self-energizing, typically requiring more pedal force for braking.

Servo Action

A mechanism that uses feedback to control a device, commonly found in systems requiring precise control of position or speed.

Anchor

A device used to connect a vessel to the bed of a body of water to prevent the craft from drifting due to wind or current.

Leading-Trailing Brake Designs

A drum brake configuration where one brake shoe is positioned to lead and press against the drum due to rotational forces, and the other trails and provides lesser braking force.