Ministry of Science and Technology
Department of Technical and Vocational Education
Sample Questions & Answers
Computer application in Mechanical Engineering (II)
Element Used: Quad 8 Node 183
Thickness 2.5 cm
E = 20E6
PRXY = .25
Max Values (from contour plots)
X Component 27270.7
Y Component 7604.99
Tutorial 10 ANSYS
I have to attend the funeral of my grandfather on Thursday November 6th, 2014 and will not be
able to make it to lab this week. Attached are all that I could find within session 10 that could be
printed out for results of this
Due April 8, 2015
Explain: Dendrite structure during weld cooling and its benefits.
What happens to Cr and MN in weld HAZ during welding and cooling (i.e., for stainless
What causes distortion during cooling?
Welding joins pieces of metal by the use of heat, pressure, or both.
Brazing, or soldering, involves a filler metal or alloy (a combination of metals) which
has a lower melting point than the metal pieces to be joined. The filler materials
March 6, 2013
15 pts. 1.
Design and specify weld joint. Be careful!
5 pts. 2.
Why use argon for TIG welding?
Why add CO2?
How do you get deeper penetration in welding?
List 3 methods:
10 pts. 4.
March 12, 2014
Open Book, etc
No electronic Communications
20 pts 1. Weld the following steel structure in fatigue but not synchronized loading.
20 pts 2. Submerge arc is set at 440 volts 801 amps and 40 inches per minute. Wh
Due: March 4, 2015
Calculate length of solder joint with 150 ft-lbs torque and 2000 lbs tensile
Force F applied to a 1.0 inch diameter copper tube. Assume F.S. is 1.5.
Pick tin solder with 10,000psi
HWK # 3
Due February 11, 2015
Calculate USC for E70T-1 and 4 material from Table 6.2
1. Table 6.2
Add .01% Nb to part 1
How are spot welds tested?
Discuss in 100 words or more problems of spot welding coated steel.