Which
of the following key transmits power through frictional resistance only?
निम्नलिखित में से कौन सी कुंजी केवल घर्षण प्रतिरोध के माध्यम से शक्ति संचारित करती है?
Saddle key
Barth
key
Kennedy key
Tangent key
Saddle key
Saddle keys fit on a flat or circumference of the shaft, power transmission is achieved through friction between the shaft and the key as shown in figure drawn below.
Saddle
key can be subdivided into flat saddle key and hollow saddle key and only
suitable for light load to avoid slipping along the shaft.
Hence,
the correct option is (A).
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