Skills and Trades

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Heat transfer is improved from the coolant to the air when the ________. Started by HudsonKB16	1 Replies 63 Views	Aug 13, 2021 by 1_Step_At_ATime
Electric cooling fans are typically commanded on and off by the ________. Started by sheilaspns	1 Replies 186 Views	Aug 13, 2021 by daiying98
A customer complains that the heater works sometimes, but sometimes only cold air comes out while ... Started by bio_gurl	1 Replies 69 Views	Aug 13, 2021 by fffftttt
Some manufacturers recommend using premixed coolant only in their vehicles. Started by stevenposner	1 Replies 77 Views	Aug 13, 2021 by HandsomeMarc
Two technicians are discussing testing coolant for proper pH. Technician A says that coolant has a ... Started by j.rubin	1 Replies 102 Views	Aug 13, 2021 by frogdreck123456
Technician A says that used coolant should never be recycled. Technician B says that coolant types ... Started by jparksx	1 Replies 109 Views	Aug 13, 2021 by kthug
Technician A says that galvanic activity is the result of a poor ground connection. Technician B ... Started by sam.t96	1 Replies 68 Views	Aug 13, 2021 by asdfasdf
Reusing old coolant is generally not approved by vehicle manufacturers, with the exception of ________. Started by jilianpiloj	1 Replies 58 Views	Aug 13, 2021 by sokh
DEX-COOL coolant is composed mostly of which of these chemicals? Started by craiczarry	1 Replies 69 Views	Aug 13, 2021 by vickyvicksss
Asian red coolant is what type? Started by nramada	1 Replies 62 Views	Aug 13, 2021 by nekcihc358
All these are functions of coolant EXCEPT ________. Started by CORALGRILL2014	1 Replies 45 Views	Aug 13, 2021 by kmb352
A normal reading when testing for electrolysis in the coolant is ________. Started by Wadzanai	1 Replies 72 Views	Aug 13, 2021 by bookworm410
Which type of diesel injection produces less noise? Started by ashley	1 Replies 79 Views	Aug 13, 2021 by meow1234
Which of these takes place during regeneration in a diesel particulate filter (DPF)? Started by scienceeasy	1 Replies 61 Views	Aug 13, 2021 by millet
Which diesel injection system requires the use of a glow plug? Started by abern	1 Replies 123 Views	Aug 13, 2021 by Jmfn03
What percent of opacity means the exhaust has no visible smoke and does not block light from a beam ... Started by haleyc112	1 Replies 119 Views	Aug 13, 2021 by sarajane1989
What part should be removed to test cylinder compression on a diesel engine? Started by bobbysung	1 Replies 238 Views	Aug 13, 2021 by aprice35067
What color exhaust smoke occurs most often during cold engine starts because the smoke is usually ... Started by V@ndy87	1 Replies 112 Views	Aug 13, 2021 by Jane
The three phases of diesel ignition include ________. Started by madam-professor	1 Replies 89 Views	Aug 13, 2021 by mirabriestensky
The diesel particulate filter in the exhaust system is used to trap ________. Started by aabwk4	1 Replies 93 Views	Aug 13, 2021 by bblaney
The diesel exhaust fluid is injected ________. Started by imowrer	1 Replies 108 Views	Aug 13, 2021 by SeanoH09
Technician A says that glow plugs are used to help start a diesel engine and are shut off as soon as ... Started by BrownTown3	1 Replies 123 Views	Aug 13, 2021 by miss_1456@hotmail.com
Technician A says that diesel engines can be tested using a scan tool to determine sensor values. ... Started by jman1234	1 Replies 74 Views	Aug 13, 2021 by Cheesycrackers
Technician A says that a diesel engine uses the heat of compression to ignite the diesel fuel. ... Started by lbcchick	1 Replies 159 Views	Aug 13, 2021 by Anonymous
Selective catalytic reduction (SCR) uses urea injection to reduce ________ emissions. Started by PhilipSeeMore	1 Replies 57 Views	Aug 13, 2021 by rleezy04