Discussion
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- Question
For maximum power, the velocity of the belt will be
Options- A.
- B.
- C.
- D. none of these
- Correct Answer
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- 1. The number of rivets in shear shall be equal to the number of rivets in crushing.
Options- A. Correct
- B. Incorrect Discuss
- 2. A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called
Options- A. castle nut
- B. jam nut
- C. ring nut
- D. sawn nut Discuss
- 3. In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.
Options- A. Agree
- B. Disagree Discuss
- 4. According to Indian standard specifications, 100 H6/g5 means that the
Options- A. actual size is 100 mm
- B. basic size is 100 mm
- C. difference between the actual size and basic size is 100 mm
- D. none of the above Discuss
- 5. A screw is said to be over hauling screw, if its efficiency is
Options- A. less than 50%
- B. more than 50%
- C. equal to 50%
- D. none of these Discuss
- 6. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as
Options- A. angular bevel gears
- B. crown bevel gears
- C. internal bevel gears
- D. mitre gears Discuss
- 7. A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.
Options- A. True
- B. False Discuss
- 8. The number of slots in a 25 mm castle nut is
Options- A. 2
- B. 4
- C. 6
- D. 8 Discuss
- 9. Crystal structure of a material is, generally, examined by
Options- A. naked eye
- B. optical microscope
- C. metallurgical microscope
- D. X-ray techniques Discuss
- 10. The coke in the charge of blast furnace
Options- A. controls the grade of pig iron
- B. acts as an iron-bearing mineral
- C. supplies heat to reduce ore and melt the iron
- D. forms a slag by combining with impurities Discuss
Machine Design problems
Search Results
Correct Answer: Correct
Correct Answer: ring nut
Correct Answer: Agree
Correct Answer: basic size is 100 mm
Correct Answer: more than 50%
Correct Answer: crown bevel gears
Correct Answer: False
Correct Answer: 6
Correct Answer: X-ray techniques
Correct Answer: supplies heat to reduce ore and melt the iron
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