Midterm Part 5

Question 1

AC stands for?

Answer 1

Alternating current

Question 2

DC stands for?

Answer 2

Direct current

Question 3

What are AC’S commonly used to power?

Answer 3

toasters, lights, plugs

Question 4

What are DC’S commonly used to power?

Answer 4

Pool lights, batteries, patio lights

Question 5

Hertz is the __

Answer 5

unit of frequency/ cycle per second

Question 6

Standard electrical hertz in US and Canada is?

Answer 6

60 Hertz

Question 7

Standard electrical hertz in Europe?

Answer 7

50 hertz

Question 8

If you shot a video with a camera set at 24 fps, 1/48th a second shutter under lighting in Europe the image would ___.

Answer 8

Flicker

Question 9

Unit of electric potential difference, or the size of the force that sends the electrons through a circuit. IE; THINK OF WATER PRESSURE

Answer 9

VOLTS

Question 10

Unit used to measure electric current. IE; THINK OF THE AMOUNT OF WATER FLOWING THROUGH PIPE

Answer 10

AMPS

Question 11

Measure of how much power is released per second. IE; THINK OF THE POWER THE WATER COULD PROVIDE

Answer 11

WATTS

Question 12

Conductors of Electricity

Answer 12

Water
Metal
The ground

Question 13

NON-CONDUCTORS of Electricity

Answer 13

Rubber
wood
plastic

Question 14

12/3 electrical extensions are sometimes referred to as

Answer 14

Stingers

Question 15

Hot Electrical Cables?

Answer 15

Black
red
blue

Question 16

Common Electrical cable?

Answer 16

White

Question 17

Ground electrical cable?

Answer 17

Green

Question 18

1k is called?

Answer 18

baby

Question 19

2k is called?

Answer 19

jr

Question 20

5k is called?

Answer 20

sr

Question 21

Formula to figure how many amps are being drawn on a circuit by a conventional tungsten light fixture?

Answer 21

A= W/V

Question 22

STUDY 5-28 THROUGH 38

Question 23

A baby stand has a ___ on top of the stem

Answer 23

5/8 spud

Question 24

A combo stand has ___ on top of the stem

Answer 24

Baby spud

Question 25

Rocky Mountain leg?

Answer 25

adjustable leg on stand on uneven ground

Question 26

A baby 1k lamp has a ___ for mounting it onto a stand

Answer 26

5/8 Receiver

Question 27

A junior 2k LED lamp and a senior 5k LED lamp have a __for mounting it onto a stand.

Answer 27

1/18 Spud

Question 28

The weight on an extended C-stand arm should always be over the___

Answer 28

longest leg

Question 29

The weight on a c-stand arm should cause the grip head to?

Answer 29

spin clockwise

Question 30

6 STEPS TO FOCUS LAMP?

Answer 30

1. Open barn doors
2. Turn on light
3. Set light to full spot
4. Unlock yoke and head T-Locks, center the beam on the subject, lock the yolk and head T-locks
5. Set light to full flood
6. Trim in barn doors