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91
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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Answer & Solution
Answer: Option A
Solution:
In machine design, keys are used to connect rotating machine elements such as shafts and hubs to transmit torque. A sunk key is a type of key that is rectangular or square in shape and fits completely within the keyway of both the shaft and the hub. It is "sunk" or fully inserted into the keyway, providing a secure connection between the two components.

Among the options provided, the correct answer is Option A: sunk key. This type of key is commonly used to prevent relative motion between the shaft and the hub while transmitting torque.

Therefore, the correct answer is Option A: sunk key.
92
The creep in the belt is due to
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Answer: Option C
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93
Which of the following is not correct procedure to increase the fatigue limit?
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Answer: Option C
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94
In radial cams, the follower moves
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Answer: Option B
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95
In cylindrical cams, the follower moves
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Answer: Option B
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96
The bearings of heavy series have capacity __________ over the medium series.
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Answer: Option A
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97
If the centre distance of the mating gears having involute teeth is increased, then the pressure angle
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Answer: Option A
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98
The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.
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Answer: Option B
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99
If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio
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Answer: Option C
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100
The piston rod of a steam engine is usually connected to the cross-head by means of
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Answer: Option C
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