Related Questions

A tapered key which fits in a key way in the hub and is flat on the shaft, is known as
A Feather key
B Gib-head key
C Wood ruff key
D Flat saddle key
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,
A Hollow saddle key
B Hollow key
C Soft key
D None of these
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as
A sunk key
B flat saddle key
C hollow saddle key
D tangent key
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
A 0.8 d
B 1.2 d
C 1.57 d
D 1.8 d
Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.
A Twice
B Four times
C Eight times
D Sixteen times
The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)
A $$\frac{{\text{d}}}{8}$$
B $$\frac{{\text{d}}}{6}$$
C $$\frac{{\text{d}}}{4}$$
D $$\frac{{\text{d}}}{2}$$
London is the hub of arts and culture. Here 'hub' refers to a place -
A where arts and culture originated
B which is a center for arts and culture
C where exhibitions are sometimes held
D which is new to arts and culture
A ও B এর মধ্যে সর্বোচ্চ, গতিতে ডেটা আদান প্রদানের জন্য করা উচিত-i, HUB এর পরিবর্তে switch ব্যবহার ii. HUB এর পরিবর্তে রাউটার ব্যবহার iii. Twisted pair cable এর পরিবর্তে optical fiber cable ব্যবহার নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as
A Bending moment
B Twisting moment
C Torsional rigidity
D Flexural rigidity
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)
A $${\text{r}}\sin \varphi $$
B $${\text{r}}\cos \varphi $$
C $${\text{r}}\tan \varphi $$
D $$\frac{{\text{r}}}{2}\cos \varphi $$

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