Welding - Oxy-Acetylene MCQs : This section focuses on the "Welding - Oxy-Acetylene". These Multiple Choice Questions (MCQs) should be practiced to improve the Welding - Oxy-Acetylene skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Carburising flame has excess of oxygen supply.
A. TRUE
B. FALSE
Question 2
For what thickness of a material, in an oxy-acetylene is a welding rod used?
A. 10 mm
B. 15 mm
C. 20 mm
D. 25 mm
Question 3
In a neutral flame, what is the temperature in the inner core?
A. 3200°C
B. 2100°C
C. 1250°C
D. 2700°C
Question 4
Oxidizing flame has equal volumes of oxygen and acetylene supply.
A. TRUE
B. FALSE
Question 5
Oxy-acetylene process is most suited for which of the following process of joining?
A. Metal wires
B. Metal sheets
C. Metal tubes
D. Metal bars
Question 6
What is the flame temperature of acetylene?
A. 1700°C
B. 2200°C
C. 2800°C
D. 3200°C
Question 7
What is the flame temperature of city gas?
A. 1500°C
B. 1600°C
C. 1700°C
D. 1800°C
Question 8
What is the flame temperature of hydrogen?
A. 2000°C
B. 1200°C
C. 2700°C
D. 3300°C
Question 9
What is the flame temperature of methane?
A. 2000°C
B. 1200°C
C. 2700°C
D. 3300°C
Question 10
What is the flame temperature of water gas?
A. 2500°C
B. 2800°C
C. 2300°C
D. 3100°C