US Trade District Of Columbia Test 7

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Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

Trade — Test 7 (District Of Columbia) Professional (Skilled Trade, USA) USA — District Of Columbia OSHA & State Trade License — USA

What is this test? for Skilled Trade licensing (Electrician/Plumbing/HVAC), USA — Professional (Skilled Trade, USA) level, USA — District Of Columbia.
For apprentices and journeymen in the USA — skilled trade licensing
Section: Trade — Test 7 (District Of Columbia) · Education: Professional (Adult) · Part: Trade — Test 7 (District Of Columbia) · Country: USA · Region: USA — District Of Columbia

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This test will help you gauge your knowledge in your field and manage your exam prep more efficiently.

By solving this test of 20 questions, you can both test your knowledge and identify the topics you need to improve.

Question 1

What is superheat?

A) humidity

B) pressure

C) vapor temp above boiling

D) cold level

Question 2

What is OSHA for?

A) workplace safety rules

B) wages

C) unions

D) hiring

Question 3

What PPE for electrical?

A) sandals

B) shorts

C) insulated gloves, glasses

D) no gear

Question 4

What is lockout/tagout?

A) speed work

B) no procedure

C) de-energizing before work

D) live work

Question 5

What is a GFCI for?

A) faster work

B) shock protection in wet areas

C) lighting

D) more power

Question 6

What is Ohm’s law?

A) no formula

B) volts = amps times ohms

C) power formula

D) guess

Question 7

What is a capacitor for?

A) starting motors

B) heating

C) cooling

D) filtering air

Question 8

What is a circuit breaker for?

A) lighting

B) stopping overloads

C) more power

D) speed

Question 9

What wire color is ground?

A) black

B) white

C) red

D) green or bare

Question 10

What is a multimeter for?

A) measuring volts/amps/ohms

B) crimping

C) stripping

D) cutting wire

Question 11

What is conduit for?

A) water pipes

B) gas lines

C) protecting wires

D) vents

Question 12

What is IPC?

A) plumbing code standard

B) fire code

C) zoning

D) electrical code

Question 13

What seals threaded pipe?

A) Teflon tape/pipe dope

B) paint

C) workplace safety rules

D) glue

Question 14

What is MERV rating?

A) noise

B) filter efficiency scale

C) duct size

D) fan speed

Question 15

What is a P-trap for?

A) heat

B) water flow

C) blocking sewer gas

D) pressure

Question 16

What is water hammer?

A) leak

B) clog

C) banging from sudden stops

D) freeze

Question 17

What causes frozen pipes?

A) pressure

B) use

C) heat

D) cold plus still water

Question 18

What is a pressure regulator for?

A) raising heat

B) limiting water pressure

C) softening

D) filtering

Question 19

What is HVAC?

A) wiring

B) roofing

C) heating, cooling, ventilation

D) plumbing

Question 20

What is EPA 608 for?

A) driving

B) electrical license

C) plumbing

D) refrigerant handling cert

US Trade District Of Columbia Test 7

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