Ramsay Test Mechanical Maintenance 4

Question 1

A first-class lever has the fulcrum located:

Accepted Answer

Between the effort and the load

Answer

In a first-class lever like a seesaw, the fulcrum sits between effort and load.

Question 2

Mechanical advantage in a pulley system is increased by:

Accepted Answer

Adding more supporting rope sections

Answer

More rope segments supporting the load increase mechanical advantage at the cost of distance.

Question 3

A dial indicator is used during shaft alignment to measure:

Accepted Answer

Runout and small linear deflection

Answer

Dial indicators measure tiny movements such as shaft runout and offset.

Question 4

Which seal type is commonly used to keep lubricant in and contaminants out of a rotating shaft?

Accepted Answer

Lip (oil) seal

Answer

Lip seals ride against the shaft to retain oil and exclude dirt and water.

Question 5

If a motor draws excessive current and trips its overload, a likely mechanical cause is:

Accepted Answer

A jammed or overloaded driven component

Answer

Mechanical binding or overload forces the motor to draw more current and trip protection.

Ramsay Test Practice Test