FREE NYS Civil Service PCO Test Questions and Answers

Question 1

Alters the direction of the load's effort. Instead of pulling downward, you do so upward. It has a single wheel and a rope. The weight of the load determines how much force is necessary to lift it.

Accepted Answer

FALSE

Answer

TRUE

Question 2

Have sloping faces and toothed wheels that mesh at a specific angle.

Accepted Answer

Bevel gears

Answer

Worm gears

Answer

Spur gears

Answer

Helical gears

Question 3

Machines with few moving parts

Accepted Answer

Simple machines

Answer

Inclined plane

Answer

Fixed pulley

Answer

Simple pulley

Question 4

A wheel with teeth along its edge that engage with other gear wheels or other teeth to provide movement

Accepted Answer

Gearwheel

Answer

Lever

Answer

Inclined Wheel

Answer

Fulcrum Wheel

Question 5

A straightforward device that uses a stiff bar that pivots on a supporting piece to lift or pry up a weight at one end by applying force at the other

Accepted Answer

Lever

Answer

Pulley

Answer

Load

Answer

Block And Tackle

Question 6

It has two lever arms attached at a pivot, similar to scissors or pliers.

Accepted Answer

Pair of levers

Answer

Inclined plane

Answer

Lever

Answer

Fulcrum/pivot

Question 7

When using a compressed air sprayer to treat cracks and crevices, the recommended internal pressure is

Accepted Answer

5 to 20 psi

Answer

165 to 185 degrees Fahrenheit

Answer

30 to 35 psi

Answer

30 to 75 psi