Question 1

What are the two types of thermal overloads?

Accepted Answer

Thermal overloads can be divid...

Question 2

What are the elements of a single pole double throw switch arrangement?

Accepted Answer

The single pole double throw switch arrangement contains a common terminal (C), a normally closed terminal (NC), and a normally open terminal (NO).

Question 3

Overload relays are divided into two separate sections. What are the two sections?

Accepted Answer

Overload relays are divided in...

Question 4

Fuses which are intended to provide both short circuit protection and overload protection are called ____________________ time delay fuses.

Accepted Answer

The answer of Fuses which are intended to provide both...

Question 5

Fuses and ____________________ are designed to protect the circuit from a direct ground or short-circuit condition.

Accepted Answer

The answer of Fuses and ____________________ are designed to protect...

Question 6

One common use for the normally open set of contacts on an overload relay is to provide an input signal to a programmable logic controller (PLC).

Accepted Answer

A) True 
 B)False  True

Question 7

Motor starting current is referred to as ____________________ current.

Accepted Answer

The answer of Motor starting current is referred to as...

Question 8

Many bimetal strip type overload relays can be set for either manual or automatic reset.

Accepted Answer

A) True 
 B)False

Question 9

Overload relays are designed to open the circuit when the current becomes 115 percent to 125 percent of the motor full load current.

Accepted Answer

A) True 
 B)False

Question 10

Thermal overload relays trip faster when located in a cool area than in a warm area.

Accepted Answer

A) True 
 B)False

Question 11

Solder melting type overloads are often called solder ____________________ overloads.

Accepted Answer

The answer of Solder melting type overloads are often called...

Question 12

Magnetic type overload relays are sensitive to ambient temperature.

Accepted Answer

A) True 
 B)False

Question 13

How do magnetic type overload relays operate?

Accepted Answer

Magnetic type overload relays ...

Question 14

What does it mean for a current transformer to have a ratio of 150:5?

Accepted Answer

This ratio means that when 150 amperes of current flows through the primary, which is the line connected to the motor, the transformer secondary produces a current of 5 amperes when the secondary terminals are shorted together.

Question 15

Magnetic overload relays can be divided into two major types: electronic and ____________________.

Accepted Answer

The answer of Magnetic overload relays can be divided into...

Exam 4: Overload Relays

What are the two types of thermal overloads?

Correct Answer
verified
Thermal overloads can be divid...
View Answer

What are the elements of a single pole double throw switch arrangement?

Correct Answer
verified
The single pole double throw switch arrangement contains a common terminal (C), a normally closed terminal (NC), and a normally open terminal (NO).

Overload relays are divided into two separate sections. What are the two sections?

Correct Answer
verified
Overload relays are divided in...
View Answer

Fuses which are intended to provide both short circuit protection and overload protection are called ____________________ time delay fuses.

Correct Answer
verified

Fuses and ____________________ are designed to protect the circuit from a direct ground or short-circuit condition.

Correct Answer
verified

One common use for the normally open set of contacts on an overload relay is to provide an input signal to a programmable logic controller (PLC).

Correct Answer
verified
True

Motor starting current is referred to as ____________________ current.

Correct Answer
verified

Many bimetal strip type overload relays can be set for either manual or automatic reset.

Correct Answer
verified

Overload relays are designed to open the circuit when the current becomes 115 percent to 125 percent of the motor full load current.

Correct Answer
verified

Thermal overload relays trip faster when located in a cool area than in a warm area.

Correct Answer
verified

Solder melting type overloads are often called solder ____________________ overloads.

Correct Answer
verified

Magnetic type overload relays are sensitive to ambient temperature.

Correct Answer
verified

How do magnetic type overload relays operate?

Correct Answer
verified
Magnetic type overload relays ...
View Answer

What does it mean for a current transformer to have a ratio of 150:5?

Correct Answer
verified
This ratio means that when 150 amperes of current flows through the primary, which is the line connected to the motor, the transformer secondary produces a current of 5 amperes when the secondary terminals are shorted together.

Magnetic overload relays can be divided into two major types: electronic and ____________________.

Correct Answer
verified

Exam 4: Overload Relays

What are the two types of thermal overloads?

Correct AnswerverifiedThermal overloads can be divid...View AnswerShow Answer

What are the elements of a single pole double throw switch arrangement?

Correct AnswerverifiedThe single pole double throw switch arrangement contains a common terminal (C), a normally closed terminal (NC), and a normally open terminal (NO).

Overload relays are divided into two separate sections. What are the two sections?

Correct AnswerverifiedOverload relays are divided in...View AnswerShow Answer

Fuses which are intended to provide both short circuit protection and overload protection are called ____________________ time delay fuses.

Correct AnswerverifiedShow Answer

Fuses and ____________________ are designed to protect the circuit from a direct ground or short-circuit condition.

Correct AnswerverifiedShow Answer

One common use for the normally open set of contacts on an overload relay is to provide an input signal to a programmable logic controller (PLC).

Correct AnswerverifiedTrue

Motor starting current is referred to as ____________________ current.

Correct AnswerverifiedShow Answer

Many bimetal strip type overload relays can be set for either manual or automatic reset.

Correct AnswerverifiedShow Answer

Overload relays are designed to open the circuit when the current becomes 115 percent to 125 percent of the motor full load current.

Correct AnswerverifiedShow Answer

Thermal overload relays trip faster when located in a cool area than in a warm area.

Correct AnswerverifiedShow Answer

Solder melting type overloads are often called solder ____________________ overloads.

Correct AnswerverifiedShow Answer

Magnetic type overload relays are sensitive to ambient temperature.

Correct AnswerverifiedShow Answer

How do magnetic type overload relays operate?

Correct AnswerverifiedMagnetic type overload relays ...View AnswerShow Answer

What does it mean for a current transformer to have a ratio of 150:5?

Correct AnswerverifiedThis ratio means that when 150 amperes of current flows through the primary, which is the line connected to the motor, the transformer secondary produces a current of 5 amperes when the secondary terminals are shorted together.

Magnetic overload relays can be divided into two major types: electronic and ____________________.

Correct AnswerverifiedShow Answer

Correct Answer
verified
Thermal overloads can be divid...
View Answer

Correct Answer
verified
The single pole double throw switch arrangement contains a common terminal (C), a normally closed terminal (NC), and a normally open terminal (NO).

Correct Answer
verified
Overload relays are divided in...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Magnetic type overload relays ...
View Answer

Correct Answer
verified
This ratio means that when 150 amperes of current flows through the primary, which is the line connected to the motor, the transformer secondary produces a current of 5 amperes when the secondary terminals are shorted together.

Correct Answer
verified