1.WHAT ARE THE WELDING POSITIONS?
1.FLAT.
2.HORIZONTAL.
3.VERTICAL.
4.OVERHEAD.
2.WHAT IS A TACK WELD?
A TEMPORARY WELD USED TO HOLD PARTS IN PLACE WHILE MORE EXTENSIVE, FINALWELDS ARE MADE.
3.WHAT ARE THE JOINTS OF WELD?
1.BUTT
2.LAP
3.CORNER
4.EDGE
5.T-JOINT
4.WHAT IS SURFACE PREPARATION AND SSPC?
SSPC-STRUCTURAL STEEL PAINTING COUNCIL.
SP1 - SOLVENT CLEANING.
SP2 - HAND TOOL CLEANING
SP3 - POWER TOOL CLEANING.
SP5- WHITE METAL BLAST
SP6 - COMMERICAL BLAST
SP7- BRUSH OFF BLAST.
SP10- NEAR WHITE BLAST
SP12- HIGH AND ULTRA HIGH PRESSURE WATER JETTING.
5.Which are characteristics of Special Moment Frames?
a. the expectation of withstanding significant inelastic deformations under the
design earthquake
b. frames where the beam-to-column connections must be capable of sustaining
an inter-story drift angle of at least 0.04 radians
c. frames where qualification testing or pre qualification of beam to-column
connections is required
6.Paint thickness is commonly measured in which units?
MILS.
7.What is the purpose of a weld access hole is to?
a) allow the welder access to start and stop the beyond the plane of the beam
web.
b) minimize restraint to allow for shrinkage in the welded joint.
c) eliminate intersection of welds in orthogonal directions.
8.What is the difference between shop fabrication drawings and erection drawings?
Shop drawings are detail drawings of columns, beams and etc. Where as erection drawings are which shows all the locations of all structural steel framing members.
9.If joist length more than 40 feet what type connection we have to use.?
IF JOIST IS MORE THAN 40'-0 WE NEED TO FOLLOW BOLTED CONNECTION.
IF JOIST IS LESS THAN 40'-0 WE NEED TO FOLLOW WELDED CONNECTION.
10.How do view the beams in erection plan in case of beam detailing?
from left to right and bottom to top.
11. What will be provided to strengthen the beam when the beam frames over the column?
we need to provide stiffeners in beam for load transfer.
12.what is the Formula for cut length?
C/C distance– set back dimensions – ½ on either side.
13. if Knife edge connection being provided by welding the 2 clips to the column and I am not able to erect from the sides. what we need to do?
cut the bottom flange and insert the beam from top.
14.what are the anchor rod hole dia for 3/4Ø,1"Ø,7/8Ø?
3/4Ø-1"1/16Ø
7/8Ø-1"3/16Ø
1"Ø-1"1/2Ø
15.IF WE HAVE LONG SLOTS IN BEAM OR ANY STEEL MEMBERS?WHAT WE NEED TO
TO COVER SLOTS?
WE NEED TO PROVIDE PLATE WASHERS TO COVER THE LONG SLOTS.
16.WHAT IS A BUILT UP MEMBER?
A MEMBER MADE UP OF STRUCTURAL STEEL ELEMENTS THAT ARE WELDED OR BOLTED TOGETHER IS KNOWN BUILT UP MEMBER.
*BY USING PLATES WE CAN MADE A W MEMBER THAT IS KNOWN AS BUILT UP MEMBER.
17.WHAT IS A EDGE DISTANCE?
THE PERPENDICULAR DISTANCE FROM CENTRE OF HOLE TO EDGE OF THE MEMBER
IS KNOWN AS EDGE DISTANCE.
18.WHAT ARE THE OSHA REQUIREMENTS FOR BRACING?
1.ERECTION BOLTS ARE REQUIRED AT VERTICAL TUBE OR ANGLE BRACINGS.
2.OVERSIZED HOLES IN GUSSET PLATE FOR ERECTION FEASBILTY ,WE NEED TO
TAKE CONFIRMATION FROM CLIENT.
19.WHAT IS THE MAXIMUM ROW OF BOLTS FOR W6 TO W36?
W6-1,
W8,10-2
W12,W14-3
W16-4
W18-5
W21-6
W24-7
W27-8
W30-9
W33,36-10
20.WHAT IS THE FIRST HOLE DISTANCE FOR W8 AND W27?
W8-2 1/2"
W27-3 1/2"
21.WHAT IS THE GAGE FOR L2 AND L4?
L2-1 1/8"
L4-2 1/2"
BELOW CONVERSIONS ARE IMP.
1/16-0.0625 5/16-0.3125
1/8-0.125 3/8-0.375
3/16-0.1875 7/16-0.4375
1/4-0.25 1/2-0.5
