Answer the following statement(s) true (T) or false (F)

1. Two sets of momentary contacts are usually provided with push buttons.
2. Some double-break contacts are made of gold.
3. In most push buttons, copper-to-silver contact surfaces are provided for better electrical conductivity and longer life.
4. The amount of current broken by a push button is usually small.
5. Standard control station enclosures may be used in situations requiring submersible protection.


1. TRUE
2. FALSE
3. FALSE
4. TRUE
5. FALSE

Trades & Technology

You might also like to view...

Which of the following types of drawings helps when sizing fuses for a given application?

a. Building elevation drawing b. Large-scale detail c. Single-line schematic d. Floor plan

Trades & Technology

A compound planetary gear set contains two complete planetary gear sets.

Answer the following statement true (T) or false (F)

Trades & Technology

Most concrete used in construction is ____ concrete delivered to the job in a large truck.

a.precast b.prefabricated c.ready-mixed d.cast-and-pour

Trades & Technology

How is a Pareto chart useful in determining priorities?

What will be an ideal response?

Trades & Technology