Skills and Trades

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The density testing method that involves sending impulses into the soil is _____. a. radar ... Started by cdr_15	1 Replies 6 Views	Jul 24, 2018 by miss_1456@hotmail.com
The requirement that foundations must be built in excavations that are in the dry means that _____. ... Started by nelaaney	3 Replies 18 Views	Jul 24, 2018 by scrocafella
To break up very large boulders, specialists use a technique known as _____. a. snakeholing b. ... Started by leo leo	1 Replies 12 Views	Jul 24, 2018 by cassie_ragen
The EPA requires contractors to obtain a stormwater permit for any project that will disturb the ... Started by vinney12	1 Replies 24 Views	Jul 24, 2018 by Animal_Goddess
To minimize twisting or lifting injuries, many employers have _____. a. instituted stretching ... Started by scienceeasy	1 Replies 19 Views	Jul 24, 2018 by sierramartinez
A nonbearing wall attached to the steel or concrete structure of the building is a _____. a. ... Started by asmith134	3 Replies 130 Views	Jul 24, 2018 by succesfull
The stick-system type of curtain wall is commonly used on buildings of less than _____. a. 15 ... Started by yoooooman	1 Replies 65 Views	Jul 24, 2018 by Tabitha_2016
If properly constructed, firewalls between apartment or townhouse units can provide protection ... Started by rayancarla1	1 Replies 111 Views	Jul 24, 2018 by l.stuut
In plasma arc cutting, plasma is created by _____. a. combining acetylene with acetone b. ... Started by D2AR0N	1 Replies 332 Views	Jul 24, 2018 by cdmart10
The typical plasma arc cutting torch contains a _____. a. deflector, retaining cup, extended ... Started by karen	3 Replies 141 Views	Jul 24, 2018 by chem1s3
Most heavy-duty plasma arc cutting systems require one gas cylinder containing the cutting gas and ... Started by FButt	1 Replies 215 Views	Jul 24, 2018 by qytan
Sputtering or hissing of the torch is often caused by _____. a. metal debris in the heat shield ... Started by jeatrice	1 Replies 95 Views	Jul 24, 2018 by kescobar@64
The A-CAC process can be used in _____. a. all positions on any metal that will conduct ... Started by Jkov05	1 Replies 5 Views	Jul 24, 2018 by maya.nigrin17@yahoo.com
The preferred power source for a A-CAC torch is a(n) _____. a. AC constant-voltage machine b. DC ... Started by AEWBW	3 Replies 113 Views	Jul 24, 2018 by nickk12214
The three basic types of A-CAC electrode types are copper-coated for direct current, copper-coated ... Started by formula1	1 Replies 102 Views	Jul 24, 2018 by recede
The connecting cable of the A-CAC torch contains _____. a. an electrical cable only b. both an ... Started by tth	1 Replies 51 Views	Jul 24, 2018 by dantucker
Notches left in a base metal _____. a. aid in welding additional structures to the work b. ... Started by Caiter2013	1 Replies 82 Views	Jul 24, 2018 by meganlapinski
The oil in a vacuum pump should be changed _____. a. about every five minutes of pump operation ... Started by SGallaher96	3 Replies 40 Views	Jul 24, 2018 by Zebsrer
Started by lb_gilbert	1 Replies 77 Views	Jul 24, 2018 by abro1885
When welding with GTAW in a cross draft situation, better shielding is provided by _____. a. ... Started by gbarreiro	1 Replies 45 Views	Jul 24, 2018 by abctaiwan
When filler metal is graded for rigid control fabrication, the purchaser receives _____. a. AWS ... Started by Mollykgkg	1 Replies 31 Views	Jul 24, 2018 by bobsmith
The proper electrode diameter for FCAW is related to the welding machine in use and the _____. a. ... Started by arivle123	3 Replies 23 Views	Jul 24, 2018 by C.mcnichol98
For which one of the following types of tungsten electrodes can the electrode tip be balled ... Started by Sufayan.ah	1 Replies 22 Views	Jul 24, 2018 by triiciiaa
In the FCAW-S process, agents for degassing the weld are contained in the _____. a. protective ... Started by jenna1	1 Replies 5 Views	Jul 24, 2018 by lorealeza
Even a shielding gas can create a hazard if _____. a. it is allowed to contact and mix with ... Started by darbym82	1 Replies 43 Views	Jul 24, 2018 by ergserg