Which one among the following fuels is used in gas welding?

Post 225

Question 18 Which one among the following fuels is used in gas welding?
A)LPG
B) Ethylene
C) Methane
D) Acetylene
Answer: Acetylene
Explanation: Acetylene is majorily used as fuel in gas welding.

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Glass used in making lenses and prisms

Question 129 The type of glass used in making of lenses and prisms is?
A. Flint glass
B. Pyrex glass
C. Soft glass
Answer: Flint glass

Question 130 Consider the following statements:
A. Jivaka was personal physician of Buddha
B. Jivaka studied Ayurveda in takshashila university.
1. Both are correct.
2. Only A is correct.
3. Only B is correct.
Answer: Both are correct.

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Which of the following is used in pencils?

SSC CGL 26 Oct 2014 Evening Shift Questions

Question 85 Which of the following is used in pencils?
A) Sulphur
B) Phosphorus
C) Charcoal
D) Graphite
Answer: Graphite

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