The gases used in different types of welding would include:__________?

Related Mcqs:

1. The gases used in different types of welding would include ___________?

   A. Oxygen and hydrogen B. Oxygen, hydrogen, acetylene and nitrogen C. Oxygen, acetylene and argon D. Oxygen and acetylene Submitted by: Rashid Mehmood...

2. Which of the following mixture of gases is required in gas welding?

   A. Oxygen and ethylene B. Oxygen and hydrogen C. Acetylene and oxygen D. Acetylene and hydrogen Submitted by: Ashfaque Ali Khoso...

3. The gases which are used by drivers as an artificial atmosphere are helium and_____________?

   A. Nitrogen B. Oxygen  C. Neon D. Carbon monoxide Submitted by: Ashfaque Ali Khoso...

4. Mostly which gases found of the planet Jupiter?

   A. Hydrogen B. Chlorine C. Hydrogen and Helium D. Neon Submitted by: Zeeshan Mehand...

5. Of the six noble gases in the periodic table, which is the lightest?

   A. Nitrogen B. Hydrogen C. Helium D. Oxygen Submitted by: Ashfaque Ali Khoso...

6. Which of the following noble gases is abundant in air?

   A. Neon B. Helium C. Argon D. Methane Submitted by: Malik Asghar Hussain...

7. Which of the following noble gases is not present in atmosphere?

   A. Argon B. Helium C. Radon D. Xenon Submitted by: Malik Asghar Hussain...

8. Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?

   A. Boyle’s law B. Charles’ law C. Gay-Lussac’s law D. Avogadro’s law Submitted by: Malik Asghar Hussain...

9. Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?

   A. Carbon dioxide B. Oxygen C. Nitrogen D. Hydrogen sulphide Submitted by: Rashid Mehmood...

10. How many major gases have been used in re​frig​er​a​tors since its invention?

    A. 2 B. 3 C. 4 D. 5 Submitted by: Adeeb Rahman...