Mechanical Engineering - Machine Design

16.
When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring)
Answer: Option
Explanation:
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17.
The product of the diametral pitch and module is equal to one.
Correct
Incorrect
Answer: Option
Explanation:
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18.
The static tooth load should be __________ the dynamic load.
equal to
less than
greater than
Answer: Option
Explanation:
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19.
Power screws are used to convert rotary motion into translatory motion.
True
False
Answer: Option
Explanation:
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20.
The function of the washer is to
fill up the axial gap
provide bearing area
provide cushioning effect
absorb shocks and vibrations
Answer: Option
Explanation:
No answer description is available. Let's discuss.