Lakshya Education MCQs

Question: The lathe spindles are usually made hollow and provided with
Options:
A. Internal taper
B. External taper
C. Internal and external taper
D. No taper
Answer: Option A
Explanation :

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More Questions on This Topic :

Question 1. Internal or external threads of different pitches can be produced by
  1.     Pantograph milling machine
  2.     Profiling machine
  3.     Planetary milling machine
  4.     Piano miller
Answer: Option C
Explanation :
Question 2. The lathe spindles are usually made hollow and provided with
  1.     Internal taper
  2.     External taper
  3.     Internal and external taper
  4.     No taper
Answer: Option A
Explanation :
Question 3. A shaft has a dimension, φ9 +0.025⁺⁰∙⁰⁰⁹, the respective values of fundamental deviation and tolerance are
  1.     −0.025, ±0.008
  2.     −0.025, 0.016
  3.     −0.009, ± 0.008
  4.     −0.009, 0.016
Answer: Option D
Question 4. A shaft has a dimension, φ9 +0.025⁺⁰∙⁰⁰⁹, the respective values of fundamental deviation and tolerance are
  1.     −0.025, ±0.008
  2.     −0.025, 0.016
  3.     −0.009, ± 0.008
  4.     −0.009, 0.016
Answer: Option D
Question 5. A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding of steel and cast iron, is
  1.     Carburizing flame
  2.     Oxidizing flame
  3.     Oxy-acetylene flame
  4.     Neutral flame
Answer: Option D
Explanation :
Question 6. A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding of steel and cast iron, is
  1.     Carburizing flame
  2.     Oxidizing flame
  3.     Oxy-acetylene flame
  4.     Neutral flame
Answer: Option D
Explanation :

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