V-belt Selection and Maintenance

A (Fractional Horsepower) FHP V Belt with a nominal of 36 inches and an actual length of 36.2 would have the following belt size code ____________ A. 4L360 48 B. 4L360 50 C. 4L360 52 D. 4L360 55

C. 4L360 52

A probable cause for excessive stretch in a belt drive system can be ____________. A. Grease or oil in the belt B. High Ambient temperature C. Excessive tension D. Shafts not parallel

C. Excessive tension

Which inspection of a V-Belt drive should take place after 100 hours of operation? A. The first inspection B. The second inspection C. The third inspection D. The fourth inspection

C. The third inspection

A V-Belt match code of B40 52 would mean the belt is______________ A. 40.5 inches in length B. 39.7 inches in length C. 40 inches in length D. 40.2 inches in length

D. 40.2 inches in length

Preventive maintenance is the _________ inspection in order to predict, prevent, and identify possible failures. A. Daily B. Weekly C. Monthly D. Periodic

D. Periodic

A specification for a bushing that reads SK x 1-1/8 signifies____________ A. A QD (quick disconnect) bushing that is SK sized with a 1-1/8" bore B. A split taper bushing that is a SK sized with a 1/8'' bore C. A taper bore bushing that is SK sixed with 1 1/8" bore D. None of the above

A. A QD (quick disconnect) bushing that is SK sized with a 1-1/8" bore

In the design of a V-belt drive system, you must first determine the design power, which is found by calculating________ A. The driver unit horsepower time multiplied by the driven unit horse power B. Horsepower of the driving unit times a service factor C. The power per belt times a service factor D. Drive ratio

B. Horsepower of the driving unit times a service factor

What is the first step in the process of troubleshooting a malfunctioning V-belt drive? A. perform the corrective action B. Identify the Type of Fault C. Look Up the Probable Causes D. determine the actual cause

B. Identify the type of fault

The length of a conventional V-belt can be determined by measuring the __________________ A. Outside circumference of the belt B. Inside circumference of the belt C. Pitch line of the belt D. Outside circumference of the belt rounded down to nearest inch

B. Inside circumference of the belt

A sheave with the specification 4B34SH would be a ____________ A. For a cog belt B. For a FHP belt C. For a flat belt D. For a conventional belt

D. For a conventional belt