Ohms Law
If ohms law is E=IxR What does E , I and R stand for?
Voltage , Current and Resistance
The service factor of an electric motor is determined by ___
Motor reserve capacity
Open windings, short circuit windings, grounded Windings
: If the voltage supplied to the motor is well below the motor rated voltage, the current draw will be.
A. Lower Than
B. The same as
C. Higher than
D. In reverse polarity
Where is the DEEM Mechanical corporate headquarters Located
Fishers Indiana
What is the current in a 160V circuit if the resistance is 2 ohms
80
Which of the following overload devices is not affected by ambient temperature?
A. Soder Pot
B. Magnetic
C. Bimetel
D. Time delay fuse
B. Magnetic
A technician needs to check a single-phase compressor. He labels the three terminals "A," "B," and "C" and takes resistance readings of the windings. He reads 10 ohms from "A" to "B," infinity from "B" to "C," and infinity from "C" to "A." Identify the terminals.
Unable to determine. Open windings
The voltage tolerance of a standard electric motor is ____
+ or - 10%
What is the Phone Number to DEEM mechanical
317-860-2990
What Voltage is required to push 6 AMPS through 5 Ohms
30
True or False
The locked rotor amperage, LRA, of a motor is typically five times higher than the full load amperage
True
Technician "A" says that while checking the windings of a compressor, a reading of 10 ohms or less from the common terminal to ground indicates that the motor is okay. Technician "B" says that the resistance of the start winding should always be less than the resistance of the run winding. Which of the following statements is correct?
Neither technician is correct
Why are explosion-proof motors not normally used on standard equipment?
They are too expensive
what famous colts figure worked for DEEM Mechanical and wears a Superbowl ring
Tom Zupancic ( former Colts strength coach)
What voltage is required to push 100 AMPS through 5 OHMS
500
True or False
A set of contacts are closed when the relay is energized. These contacts are classified as normally closed
False
a wire in the winding is broken
The motor that should be used in a potentially wet area is a(n) ____ motor.
Drip Proof
What does DEEM stand for ?
Don Edwards Electrical and Mechanical
Who invented OHMs Law?
German Physicist- Georg Simon Ohm
When a contactor's coil is energized, how much resistance should be measured between terminal "L1" and terminal "T1
If a motor hums but does not start, there is a potential problem
start components, voltage supply , open winding
When referring to motors, to what does the "insulation class" referring to?
Normal operating temperatures of the motor
What year was DEEM Mechanical founded and how many years did MR. G say he worked there
2002.
25-35 years