A signal whose timing is completely influenced by the traffic volumes, when detected, on all of the approaches operates in the following mode: a. Pretimed b. Semi-actuated c. Fully-actuated

Technician A says that shock absorbers should be replaced in pairs. Technician B says that gas shocks should be bled before installation. Who is right? O A only O Bonly O Both A and B O Neither Anor B Previous Exact answer

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How do you distinguish the difference between drag and lift forces?

The driving force for fluid flow is the pressure difference, and a pump operates by raising the pressure of a fluid (by converting the mechanical shaft work to flow energy). A gasoline pump is measured to consume 3.

2. A sand core used to form the internal surfaces of a brass casting experiences a buoyancy force of 14 kg. The volume of the mold cavity forming the outside surface of the casting = 4500 cm3.

A vacuum gauge indicates that the pressure of air in a closed chamber is 02 bar (vacuum) The pressure of the surrounding atmosphere is equivalent to 750 in of mercury The density of mercury is 13.95 g / cn and the acceleration of gravity is 9.8.

The Reynolds number for flow over a fixed horizontal flat plate is constant throughout its length. a) True b) False

Briefly describe the function of the thermostatic expansion valve in a vapour compression refrigeration system

An agent in another state wants to become an agent in New York. The other state gives the same privileges to New York agents wanting to be licensed in that state as it does its own agents.

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