Logo TestGru USA
Home Categories Forum Login Support
This test is for educational purposes only. Our platform is not operated by the College Board, DMV, or any official government agency. For official exam information, visit the relevant agency websites.

US South Dakota DMV CDL General Knowledge Test 8

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content
DMV South Dakota — Cdl General DMV — South Dakota (USA, State Traffic Law) USA — South Dakota State DMV & FMCSA (MUTCD) — USA
What is this test? for South Dakota DMV Cdl General permit/CDL, USA (MUTCD) — DMV — South Dakota (USA, State Traffic Law) level, USA — South Dakota.
Is this for you? For driver candidates in South Dakota, USA — Cdl General permit/CDL (16+, State DMV)
Section: DMV South Dakota — Cdl General · Education: High School & Adult (16+) · Part: DMV South Dakota — Cdl General · Country: USA · Region: USA — South Dakota

The DMV written test is an important step measuring driver candidates' knowledge of traffic laws, first aid, and vehicle technology.

This test reinforces your theoretical knowledge and provides the fundamentals needed to pass the exam and become a safe driver.

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

Question 1
How should you brake on downgrades?
A) select low gear + light steady braking
B) neutral coast
C) pump fast
D) ride brakes hard
Question 2
What is brake fade?
A) new brakes
B) cold brakes
C) wet brakes
D) overheated brakes losing power
Question 3
How handle blowout in truck?
A) jerk hard
B) firm grip, ease off, pull over
C) accelerate
D) slam brakes
Question 4
What is hydroplaning speed risk?
A) as low as 30 mph on film of water
B) only ice
C) never in trucks
D) only 100+
Question 5
How back a trailer?
A) turn wheel opposite, use mirrors/spotter
B) no spotter needed
C) steer same way
D) fast with camera
Question 6
What is off-tracking?
A) rear wheels cut inside in turns
B) tire brand
C) speeding
D) brake wear
Question 7
How take curves with CMV?
A) same as cars
B) faster
C) slow below posted truck speed
D) no need to slow
Question 8
What are escape ramps for?
A) weigh stations
B) runaway trucks on downgrades
C) rest stops
D) parking
Question 9
When use hazard flashers?
A) parking legally
B) always driving
C) breakdowns, slow traffic warnings
D) night driving
Question 10
What is night driving rule?
A) same speed
B) high beams always
C) no lights rural
D) slower, within headlight range
Question 11
How park a CMV?
A) neutral anywhere
B) in gear only
C) level ground, parking brake, chock if needed
D) any slope
Question 12
What is coupling inspection?
A) paint check
B) radio test
C) fifth-wheel jaws locked, no gap, lines secure
D) tire shine
Question 13
What are glad hands for?
A) waving
B) fuel caps
C) air line connections tractor-trailer
D) light switches
Question 14
What color is emergency air line?
A) blue
B) yellow
C) green
D) red
Question 15
What color is service air line?
A) black
B) red
C) blue
D) white
Question 16
What is landing gear check?
A) half down ok
B) fully raised, handle secured
C) no check
D) dragging fine
Question 17
How test trailer emergency brakes?
A) no test
B) drive fast
C) pull trailer air supply, tug gently
D) visual only
Question 18
What is a DOT annual inspection?
A) driver exam
B) optional
C) every 5 years
D) required yearly vehicle inspection
Question 19
What goes in a driver log?
A) meals
B) hours, duty changes, locations
C) dreams
D) songs
Question 20
What is personal conveyance?
A) paid miles
B) team driving
C) limited personal use off-duty
D) hauling freight

About This Test

For Drivers 16+ & CDL (USA, 51 States × 9 Topics) — State DMV permit and CDL General, Air Brakes, Combination, HazMat and Tanker per MUTCD & FMCSA state law. Section: DMV & CDL, USA.

DMV & CDL USA — 51 States (incl. DC) × 9 topics = 4,400+ tests: Road Signs (MUTCD), Traffic Laws, First Aid, Vehicle Technique, Motorcycle, CDL General Knowledge, Air Brakes, Combination, HazMat. State traffic law + FMCSA. 8×20Q per state-topic.

DMV Forum: no toxic driving shaming; respect first — auto-moderation → (content hidden) for profanity/insults in topics & replies.

Study Tips:

  • Study your state manual first
  • Master signs before laws
  • Do motorcycle/CDL separately
  • Drive kind — Forum kind