NEIEP 300 FINAL EXAM LATEST 2024 ACTUAL EXAM 140 QUESTIONS AND CORRECT DETAILED ANSWERS|ALREADY GRADED A+

NEIEP 300 FINAL EXAM LATEST 2024 ACTUAL EXAM

140 QUESTIONS AND CORRECT DETAILED

ANSWERS|ALREADY GRADED A+

A door motor circuit has a 230 VDC power supply that provides

7.38 amps of current. What is the total circuit resistance? -

ANSWER- 31.17 ohms

At which setting would you set the meter dial to read

Resistance? - ANSWER- Ω

If the voltage source for a circuit is 68 volts, and the resistance is

45 ohms, what is the total circuit current? - ANSWER- 1.511

Amps

How much power is produced by 500 mA of current through a

circuit with 4.7K ohms of resistance? - ANSWER- 1175 Watts

What will happen to the current in a circuit of constant voltage if

the resistance is doubled? - ANSWER- The current will be

halved

If voltage and resistance are known quantities, what is the

correct formula for finding current? - ANSWER- I = E/R

Which of the following formulas are correct for finding power in

watts used in an electrical circuit? - ANSWER- P = I2xR

VOM is another name for a: - ANSWER- Multimeter

What will happen to the current in a circuit of constant

resistance if the voltage is doubled? - ANSWER- The current

will double

The product of voltage and current is: - ANSWER- Power

Which of the following statements best describes how to

measure voltage in a circuit? - ANSWER- The meter must be in

parallel with the voltage being measured.

What does the designation DPDTNO switch represent? -

ANSWER- Double-pole, Double-Throw, Normal Open switch

Which of the following statements is correct regarding switches?

- ANSWER- Contact wear is always greater on DC switches

than AC switches

Which of the following describes the most important

characteristic of how switches are rated? - ANSWER- Rated by

maximum current the switch can pass when closed

Which of the following refers to the moveable contacts on a

switch? - ANSWER- Poles

Of the following resistors, which has a single fixed terminal and

a shaft-driven, movable contact? - ANSWER- Rheostat

Of the following, which type of switch would normally be found

at a terminal landing? - ANSWER- Unidirectional limit switch

Thermistors possess which of the following qualities? -

ANSWER- They have a negative or a positive temperature

coefficient.

A wire-wound resistor in a series circuit with a supply voltage of

45 VDC has a nominal value of 64 ohms. It develops a problem

which results in it being 40% partially shorted. The circuit fuse

is rated at 1 amp. Which of the following statements is correct? -

ANSWER- This represents an overload condition that will open

the fuse