By 2011, YouTube Had More Than ____ Billion Visitors Posting

question 142

Multiple Choice

By 2011, YouTube had more than ____ billion visitors posting and watching hundreds of millions of videos each day.

• A) 1
• B) 2
• C) 3
• D) 4

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Definitions:

Dual Circuit Hydraulic

A hydraulic system design that features two independent circuits for added safety and redundancy, often used in brake systems.

Tandem Master Cylinder

A type of master cylinder in vehicle brake systems designed with two pistons in one cylinder to provide a fail-safe mechanism in case one circuit fails.

Separate Pistons

Components in an engine or hydraulic system that operate independently, usually referring to the design of multi-piston systems where each piston serves a distinct function.

Caliper Piston

A cylindrical component within a brake caliper that moves under hydraulic pressure to press brake pads against the brake rotor, slowing or stopping the wheel.