- Angular bevel gears
- Mitre gears
- Crown Bevel gears
- Internal bevel gears
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as?
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When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be?
Answer: Option 3 Let'
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A man sells chocolates which are in the boxes. Only either full box or half a box of chocolates can be purchased from him. A customer comes and buys half the number of boxes which the seller had plus half box more. A second customer comes and purchases half the remaining number of boxes plus half a box. After this the seller is left with no chocolate boxes. How many chocolate boxes the seller had initially?
Answer: Option 2 The best way to go through the options Let there are initially 3 boxes then, 1st customer gets = $$\frac{3}{2}$$ + $$\frac{1}{2}$$ = 2 Remaining boxes = 3 - 2...
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The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft and $$I$$ = Mass moment of inertia of the disc attached at the end of a shaft)?
Answer: Option 3 Let'
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The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft and $$\tan \varphi $$ = Coefficient of friction between the shaft and bearing)?
Answer: Option 1 Let'
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The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)?
Answer: Option 3 Let'
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The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film)?
Answer: Option 4 Let'
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In ______ machines, the size of the shaft is decided by the critical speed which depends on the deflection of the shaft.?
Answer: Option 3 Let'
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A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as,?
Answer: Option 1 Let'
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A tapered key which fits in a key way in the hub and is flat on the shaft, is known as?
Answer: Option 4 Let'
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A tapered key which fits in a key-way in the hub and is flat on the shaft, is known as?
Answer: Option 3 Let'
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