How is the centrifugal blower turned?
What will be an ideal response?
The centrifugal blower must be turned by a motor.
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Which of the following has the advantage of being resistant to shock and vibration and is commonly used for the I/O track of a programmable controller?
a. Solid-state relay b. Mechanically held relay c. Bimetallic overload relay d. Thermal overload relay
The short-circuit arc method uses very thin welding rods, a high current, and low voltage
Indicate whether the statement is true or false.
Brake fade caused by water can occur ________
A) Due to moisture in the air on a humid day B) Only if the vehicle is driven in water above the centerline of the axle C) Whenever it rains and the roads are wet or damp D) Whenever driving through water puddles or during a severe rainstorm
All of the following are typical connector types for fiber-optic systems except ________
A) ST B) LC C) FDDI D) BNC