• #### 1.  What makes the pitch diameter of a sheave change?

• The belt used
• The distance between the shaft centers
• The speed of the driving shaft
• The belt tension
• The speed ratio between the driving and driven sheaves
• #### 2.  What is a photo-reflective tachometer used for?

• Measures the torque on a sheave.
• Measures the speed of a sheave.
• Takes a picture of a sheave as it rotates.
• Measures the wear on a belt.
• Examines the surface of a sheave.
• #### 3.  Which tool is used to check for sheave parallel alignment?

• Straightedge
• Combination square
• Tape rule
• Feeler gauge
• No tool is needed, the eye is precise enough
• #### 4.  Which parameters are represented by the two scales on a belt tension tester?

• Deflection distance and belt span
• Deflection force and belt type
• Deflection force and belt width
• Deflection distance and small sheave diameter
• Deflection force and belt span
• #### 5.  Which type of belt is used with sprockets?

• F.H.P V-belt
• Timing belt
• Flat belts used on conveyors
• Multiple V-belts
• None
• #### 6.  What is the drive misalignment called that results when the sheaves are at a different angle with the vertical plane?

• Parallel misalignment
• Horizontal angular misalignment
• Vertical angular misalignment
• Planar misalignment
• Vertical parallel misalignment
• #### 7.  Which of these belts are well suited for timing mechanisms?

• Flat belt
• V-belt
• Synchronous belt
• Multiple V-Belt
• All types can be used
• #### 8.  Power is transferred between an electric motor and a pump with a belt drive. Calculate the required driven sheave pitch diameter and belt length if the motor and pump shafts are 20 inches apart and the pump shaft must rotate at 1800 r/minute. The driving sheave is installed directly on the motor shaft and has a pitch diameter of 5 inches. The plate on the motor indicates a nominal speed of 1000 r/minute.

• Driven sheave pitch diameter is 2.8 inches and belt length is 52.2 inches.
• Driven sheave pitch diameter is 9 inches and belt length is 52.2 inches.
• Driven sheave pitch diameter is 9 inches and belt length is 62 inches.
• Driven sheave pitch diameter is 2.8 inches and belt length is 62 inches.
• Impossible to tell from the given data
• #### 9.  If the driving sheave of a belt has an outside diameter of 6 inches and the driven sheave has an outside diameter of 3 inches, the driven sheave rotates

• two times faster than the driving sheave
• half as fast as the driving sheave
• slower than the driving sheave
• at the same speed as the driving sheave
• impossible to tell from the given data
• #### 10.  What should be used to clean belts?

• A solvent
• Soap and water
• A glycerine/spirit mixture
• Sandpaper
• They should never be cleaned
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