Ramsay Test Mechanical Maintenance 4

Question 1

A first-class lever has the fulcrum located:

Accepted Answer

Between the effort and the load

Answer

At the same point as the load

Answer

Beyond the effort

Answer

At the effort end only

Question 2

Mechanical advantage in a pulley system is increased by:

Accepted Answer

Adding more supporting rope sections

Answer

Using a heavier rope

Answer

Shortening the rope

Answer

Removing pulleys

Question 3

A dial indicator is used during shaft alignment to measure:

Accepted Answer

Runout and small linear deflection

Answer

Electrical resistance

Answer

Fluid temperature

Answer

Bolt torque

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

Pipe thread tape

Answer

Gasket cement

Answer

Cotter pin

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

Voltage too low to start

Answer

An open fuse

Answer

A loose ground wire

Question 6

The correct way to remove a press-fit bearing without damaging the shaft is to:

Accepted Answer

Use a bearing puller applying force to the inner race

Answer

Pry with a screwdriver

Answer

Hammer directly on the outer race

Answer

Heat the shaft red hot

Question 7

Thermal expansion in a long steel pipe carrying hot fluid is accommodated by:

Accepted Answer

Expansion loops or joints

Answer

Tighter clamps everywhere

Answer

Removing supports

Answer

Painting the pipe