1.
What MEASUREMENT is indicated by the RED ARROW Below?
2.
What MEASUREMENT is indicated by the RED ARROW below?
3.
What MEASUREMENT is indicated by the RED ARROW below?
4.
What type of switch is shown below?
5.
How would you set your multi-meter to determine if the switch is open or closed?
6.
With the toggle switch open, what should the ohms reading be?
7.
To determine amperage if you know the wattage and voltage:
8.
The voltage between two hot lines on a 230 volt single phase system is:
9.
A new restaurant has a 208 volt three phase wye power system. The voltage between any hot line and neutral is:
10.
What is the voltage across each light when the switch is closed in Diagram A below?
11.
If one light burns out in Diagram A below, will the other still work?
12.
In Diagram B below, what is the voltage across each light if the bulbs are identical?
13.
In Diagram B below, if one bulb burns out, will the other still work?
14.
If a three phase motor is running in the wrong direction, how do you reverse it?
15.
An open circuit is determined with an ohmmeter by a reading of:
16.
You are checking a circuit with an ammeter. When the 20 amp circuit breaker is turned on, the meter needle jumps as high as 28 amps before the circuit breaker trips off. What is the problem?
17.
You are checking a circuit with an ammeter. When the 50 amp circuit breaker is turned on, the meter needle pegs and the circuit breaker trips off. What is the problem?
18.
You are trying to find out if you have voltage to a 230 volt heating element. Which of the following tests ensures that you have voltage to the element?
19.
Can you get shocked from the casing of a piece of equipment if it is properly grounded?
20.
What size wire is needed for a piece of equipment that draws 28 amps?
21.
When checking a capacitor with an ohmmeter, the needle moves across the scale and then bleeds backwards slowly. The capacitor is?
22.
A transformer is rated at 60 VA, and steps the voltage down from 240 volts to 24 volts. To protect the transformer from damage it should be protected by a fuse rated at?
23.
A booster heater is rated at 480 volts and has a contactor with a 120 volt coil supplied 120 volts through a step down transformer. Checking voltage at the coil, the voltage reading is 0, but when the wires are removed, the voltage across the wires reads 20 volts.
24.
You are replacing a burned up plug on the end of a cord. You must:
