Deck 3: Manual Starters

Question 1

Manual push button line voltage starters are manufactured with two or three line voltage contacts.

Answer 1

True

Question 2

What is the simplest way to determine if the motor is overloaded?

Answer 2

The simplest way to determine if the motor is overloaded is to find the motor full load current on the nameplate and then check the running current with an ammeter.

Question 3

Any heat source can cause an overload to trip.

Answer 3

True

Question 4

Motors of 1 horsepower or less are considered ____________________ horsepower.

Question 5

Line voltage devices may have contacts rated for 15 to ____________________ amperes.

Question 6

What is meant by across-the-line starters?

Question 7

What is the disadvantage of the automatic restart feature on equipment such as lathes, milling machines, saws, drill presses, or any other type machine that may have an operator present?

Question 8

If any one of the overloads should trip, a mechanical mechanism opens the load ____________________ and disconnects the motor from the line.

Question 9

Some common causes of motor overloads are bad ____________________ in either the motor or the load the motor operates.

Question 10

Starters that are intended to protect motors that operate on 240 volts should contain four load contacts.

Question 11

Push button type manual starters are ____________________, not fractional, horsepower starters.

Question 12

What are manual push button line voltage starters with two contact models intended to control?

Question 13

How is a manual push button starter reset?

Question 14

Some motors can draw up to 600 percent of rated full load current during starting.

Question 15

Integral horsepower manual starters with low voltage release will restart automatically after a power failure without being reset.