Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than ______________ of the head?

Related Mcqs:

Removable connection of tubes to tube sheet is called___________________?

A. Ferrule B. Socket C. Nipple D. Saddle...

The clearance between two tubes in a shell and tube heat exchanger is known as ‘ligament’, whose minimum value is _____________ the outside diameter of the tube, but in no case it should be less than 4.5 mm?

A. Equal to B. Half C. One fourth D. Three fourth...

_____________ dished head is the strongest of all?

A. Hemispherical B. Elliptical C. Torispherical D. None of these...

The ends of a cylindrical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure ?

A. Flat plate B. Hemispherical C. Torispherical D. Ellipsoidal...

(Le/D) for fully open gate valves would be __________________?

A. Much more than that for fully open globe valves B. Much less (say 2% than that for fully open globe valves) C. Around 7 D. Both B. and C....