Welding - Solid State Welding MCQs : This section focuses on the "Welding - Solid State Welding". These Multiple Choice Questions (MCQs) should be practiced to improve the Welding - Solid State Welding skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
âαâ is the angle between target plate and flyer plate.
A. TRUE
B. FALSE
Question 2
At what temperature, does fusion welding takes place?
A. 850°C
B. 900°C
C. 950°C
D. 1000°C
Question 3
Electric currents are passed is ultrasonic welding.
A. TRUE
B. FALSE
Question 4
In what conditions are the parts kept before welding in ultrasonic welding method?
A. Low static pressure
B. High static pressure
C. Low moving pressure
D. High moving pressure
Question 5
What is the maximum frequency used in ultrasonic welding?
A. 30,000 Hz
B. 40,000 Hz
C. 50,000 Hz
D. 60,000 Hz
Question 6
What is the maximum thickness that can be welded in ultrasonic welding?
A. 1.8 mm
B. 2.1 mm
C. 2.3 mm
D. 2.5 mm
Question 7
What is the minimum frequency used in ultrasonic welding?
A. 10,000 Hz
B. 20,000 Hz
C. 30,000 Hz
D. 40,000 Hz
Question 8
What is the minimum thickness that can be welded in ultrasonic welding?
A. 0.58 mm
B. 0.21 mm
C. 0.38 mm
D. 0.92 mm
Question 9
Which of the following is not a factor for explosive welding?
A. High relative velocity
B. Less amount of plastics
C. Proper orientation
D. High pressure
Question 10
Which of the following is not a type of diffusion welding?
A. Gas-pressure welding
B. Vacuum fusion welding
C. Eutectic fusion bonding
D. Eutectoid fusion welding