Shell molding is an investment casting process $$(T/F)$$

Three castings are of the same material, volume and cast under similar conditions. One is a sphere, another is a cube an

Three castings are of the same material, volume and cast under similar conditions. One is a sphere, another is a cube an

Match the cast defect with their cause

Given $$y = \int\limits_1^{{x^2}} {\cos t\,\,\,dt,} $$ $${\,\,\,}$$ then $${{dy} \over {dx}} = \_\_\_\_\_.$$

The consumption of an oxy-acetylene flame for cutting of steel contains more oxygen

Two plates with symmetrical $$V$$ joint penetration of $$V$$ angle $$60deg$$ are to be arc welded in a single pass. The

Hot hardness is an essential property for

Only negative rake angles are used with the following tool materials

In $$HSS$$ Tool materials the element tungsten can be completely replaced, without changing the material property by

In metal cutting $$BUE$$ formation results in

When the depth of cut is increased, the specific cutting energy

A $$60deg$$ symmetrical $$V$$ tool is used in shaping a work piece with a depth of cut of $$0.1$$$$mm$$ and feed of $$0.

In an orthogonal machining experiment using a tool having $${6^ \circ }.$$ Rake angle, the following data were collected

In an orthogonal machining experiment using a tool having $${6^ \circ }.$$ Rake angle, the following data were collected

In an orthogonal machining experiment using a tool having $${6^ \circ }.$$ Rake angle, the following data were collected

In a single pass turning operation the cutting speed is the only variable Based on the cutting time cost and the cutting

Reamers have usually even number of teeth so that the cutting forces on teeth are properly balanced.

A grinding wheel is said to be glazed if

The material most commonly used for manufacturing of machine tool beds is

In order to reduce roll pressure in strip rolling, back tension must be applied to strip.

Abbe's principle of alignment is followed in:

The diameter of a hole is given as $${50^{\matrix{ { + 0.15} \cr { + 0.00} \cr } }}\,\,mm.$$ The upper limi

The least count of a $$200$$ $$mm$$ long spirit level is given as $$10$$ seconds per division. The gradient of the spiri