433A Conveyor Systems

Question 1

What is the function of a take-up system on a belt conveyor?

Accepted Answer

To maintain proper belt tension for adequate friction between the belt and drive pulley, and to remove belt slack

Answer

To speed up the belt

Answer

To guide material onto the belt

Answer

To clean the belt surface

Question 2

What causes belt mistracking (belt running off to one side) on a conveyor?

Accepted Answer

Misaligned idlers, uneven loading, damaged belt edge, misaligned structure, or material buildup on pulleys

Answer

Belt moving too fast

Answer

Belt color fading

Answer

Using the correct belt type

Question 3

What is the purpose of a belt scraper (cleaner) on a conveyor?

Accepted Answer

To remove material adhering to the belt after discharge to prevent carryback, belt damage, and idler fouling

Answer

To sharpen the belt edge

Answer

To slow the belt speed

Answer

To straighten the belt

Question 4

What is a troughing idler on a belt conveyor?

Accepted Answer

A set of rollers arranged in a trough shape (typically three rollers at angles) to carry the loaded belt and contain the material

Answer

An idler that creates problems

Answer

A single flat roller

Answer

An idler used only on the return run

Question 5

What is the function of an impact idler at the loading zone of a conveyor?

Accepted Answer

To absorb the impact energy of material falling onto the belt, protecting the belt from damage and reducing wear

Answer

To increase belt speed at the loading point

Answer

To direct material flow off the belt

Answer

To measure the weight of material being loaded

Question 6

What is the purpose of a skirt board on a belt conveyor?

Accepted Answer

To contain material on the belt at the loading zone, preventing spillage as material settles onto the moving belt

Answer

To decorate the conveyor frame

Answer

To support the return belt run

Answer

To clean the pulleys