Mechanical Engineering Objective Questions
91-3-2-1 principle is applied for:
(A) Positioning the fixture
(B) Locating the component
(C) Clamping the component
(D) Selection of grinding wheels
92-Box jig containing bushing on two or more sides is called
(A) Latch jig
(B) Channel jig
(C) Indexing jig
(D) Tumble jig
93-For drilling abrasives materials ____ drills are used
(A) High speed steel
(B) Tungsten carbide drills
(C) Carbon steel drills
(D) None of the above
94-The operation of producing large hole by specially designed tool is known as
(A) Spot facing
(B) Counter boring
(C) Trepanning
(D)Reaming
95-Bessemer process is used for producing
(A) Cast iron
(B) Aluminium
(C) Steel
(D) Pig iron
96-In a lathe if the tool moves perpendicular to the axis of rotation of the work to produce a flat surface it is known as:
(A) Taper turning
(B) Plain turning
(C) Boring
(D) Facing
ANSWERS:
91-(A), 92-(D), 93-(B), 94-(C), 95-(C), 96-(D)