Studio Maintenance Final
Studio Maintenance Final Quiz
Test your knowledge on studio maintenance with our comprehensive quiz! Designed for audio professionals, this quiz covers essential topics that every technician should know.
Key Features:
- 56 Questions covering various aspects of studio maintenance
- Multiple choice and checkbox formats
- Assess your understanding of audio and electrical safety
What type of connector is commonly used for ethernet?
RJ25
RJ45
BNC
Dsub-9
What are the physical differences between instrument and speaker cable?
Instrument cable has a hot, cold and a shield, and speaker cable only has a hot and shield
Speaker cable is gauge to handle more current and it has no shield, whereas instrument cable does
Speaker cable has two large conductors and a shield , whereas instrument cable only has a hot conductor and shield
There is no difference
The cables selected for permanent studio installation should have the following characteristics (circle two):
Hard out jackets
Single pair, braided shields
Fancy, expensive
Multi-pair with foil shields
Name four main elements of documentation for a studio installation:
Birds eye
Wirelist
Gearlist
Rack elevation
When interconnecting a transformer-balanced source with an unbalanced input, what would happen if you lifted the cold conductor at the destination gear?
When interconnecting an active balanced source with an unbalanced input, what would happen if you landed the cold conductor at the destination gear?
When a system has it's input impedance at the least ten times greater than its output impedance, what is it called?
Which of these two balanced output circuits topologies is common for 1/4 inch outputs
Active balanced
Active servo balanced
What is the point of having the secondary alligator clip contact on the main oscilloscope probe?
So it's tighter
Used for a ground reference central ground
To hold money
Oscillator Envelope
Why do all commercial power plants generate 3 phase power?
It uses alternating current, it's easier to generate, it can be stepped up or stepped down with a transformer and it's more efficient than DC
Cause it's direct current and is more efficient
The government allows it, so it's less hassle for document clearing
It feels good to the employees
What is the typical electrical entrance format for residential dwelling?
Single phase 2wire 120 VAC house hold wall outlets
Three Phase AC power Commercial power plants
Single phase 3 wire (sometimes referred to as two phase) 120/240 VAC
When setting up a recording rig in a performance venue that features a three phase power system and has an existing sound system, to which of the three phases should hook up to your rig
None
Single Phase
Single phase 2wire
Four Phase
What is standard line voltage?
120V
230V
765K
7200V
Is it advisable to bypass the electric company's ground for a quieter audio system?
&*#! yeah
Hello no!
The electric company's point -of-entry copper ground rod is provided as a :
Urinal for dogs
Target for errant lightening
A true zero -volt reference
A ground conductor in a mains power system is always:
Green
White
Black
Red
What do the NEC stipulates safety guideline for ground conductors in a building so as to avoid starting fire?
Must run in parallel with the hot and neutral conductors
Must be of sufficient gauge to handle the current without overheating
Must be bonded to the conduit at the receptacle
GFCI's are found mainly in which locations of a facility/dwelling?
Kitchen
Bathrooms
Basements
Outdoor or places with water
All of the above
The internal conductor used as a zero-volt reference for a signal voltage within a circuit is called:
Chasis ground
Signal ground
Technical ground
Star Ground
Isolated Ground
Which of the following methods should you implement to prevent ground loops
Use a three -to two prong adapter and clip the tab off
Clip the third prong off of the AC power cord
Sacrifice a live rat to Kryton, the god of electricity
Use the One End Only Rule
Please Indicate the three of the four fundamental types of interference that are from environmental causes
Close parallel lines
Grounding
Radio
Phone
Which of the four primary types of interference refers to capacitive coupling?
Electric field coupling
Magnetic field coupling
Electromagnetic field coupling
Common impedance coupling
What can be done to protect against capacitive coupling?
Minimize electric field coupling by proper grounding and shielding
Put plastic over it
Add a power conditioner
Please name one of the ways in which you could decrease or prevent interference caused by magnetic fields
Have another magnetic to retract the field
Increase the distance from the source to the field
Place conductors closer together
How can one get around the Pin One Problem as discussed in class?
Make an adapter to bypass pin one connection of gear and attach the shield of the interconnect cable directly to the chasis via spade lug
Cut the ground off
Connect a ground to the end going to power source
Name one of the signal/cable you should avoid running or placing right next to your analog audio, in order to prevent the coupling of noisy interference into your audio signal
XLR
DMX
Power cable
TRS
If a piece of gear is not working after having functioned just fine the day before, what should you look for first before diving into the problem head first
Ask if anyones messed with it
Check if it's plugged
Check all the connections
Explain fringing effect
If you have two parallel plates forming a capacitor, the electric field does not end abruptly at the edge of the plates. There is some field outside that plates that curves from one to the other. This causes the real capacitance to be larger than what you'd calculate using the ideal formula. You have more electric field because of the fringe fields.
Picking at ground cable till you are able to separate and twist
Dabbing soldering iron on sponge to take off un-used solder
When making fine and course Azimuth adjustments to the Repro and Self Rep heads with reference tape, which of the following test frequencies do we use?
10 kHz, 1kHz
8kHz, 16kHz
100Hz, 1kHz
40Hz, 15kHz
What repro calibration is performed in recording mode if you used an MRL for playback adjustments
Sel rep level
Repro head azimuth
Repro low frequency EQ
Repro high frequency EQ
Please define bias as pertains to analog tape machines
The knob you turn to set the db at given setting
Favoring
Tape reel
A capacitor
What frequency is monitored when adjusting bias?
Repro low frequency
Repro high frequency
MRL
Radio frequency
What are three things manufacturers are considering when determining over-bias point?
Record Level 1kHz at 0 VU
Record HF EQ - 10kHz at 0 VU
Repro LF EQ -100Hz at 0 VU (adjusted at this point when using an MRL for repro adjustments)
If available sync LF EQ
Please explain what the BH curve is and what it indicates:
Magnetisation Curves
Against the field of strength and produce the set of curves
The BH Curve is a plot of the Magnetic Flux Density (B) versus the Magnetic Field Strength (H). This is an important curve in selecting materials for electric machines.
Please define Remanent-Magnetism:
(NRM) is the permanent magnetism of a rock or sediment. In some forms, it can preserve a record of the Earth's field and the tectonic movement of the rock over millions of years. Natural remanent magnetization forms the basis of paleomagnetism and magnetostratigraphy.
A magneto motive force
What test frequency is used for Repro, Record, and input level calibration?
1kHZ
10kHz
100Hz
50Hz
What are the transition frequencies for the NAB standard EQ curve?
The standard tape flux falls 6 dB/oct above some frequency -- say 3150 Hz for 15 in/s NAB equalization
27
10db
Please list the five different physical alignments of a tape head stack:
Warm up machine 3-4 hours prior
Maintenance & Ballistics
Repro adjustments
Record adjustments
Flat frequencty
How many n Wb/m is a +6 tape?
-3VU
+3VU
0 VO
1dB
What two main precautions must you take prior to degaussing a tape machine?
Turn off machine
Remove magnetic media
When you're demagnetizing the tape deck, at what speed will you move the degausser toward the machine (in inches per second)
3 inches per second
10 inches per second
0 seconds per second
It doesn't matter
What device on the tape machine is employed to protect the heads from wear during fast-forward and rewind?
Video head
?
What part of the tape machine diminishes wow and flutter by bringing the flutter frequency out of the audible range?
Heads and metal guides
Azimuth
Sel Rep
What is one brand for cabling
Gotham
Beldon
Mogami
Canare
Monster
Radio Shack
Why would you use leads vs solder joints to connect components to on a PCB?
It looks nicer
It creates better solder joints
It's less harmful
{"name":"Studio Maintenance Final", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Test your knowledge on studio maintenance with our comprehensive quiz! Designed for audio professionals, this quiz covers essential topics that every technician should know.Key Features:56 Questions covering various aspects of studio maintenanceMultiple choice and checkbox formatsAssess your understanding of audio and electrical safety","img":"https:/images/course1.png"}