1
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
Consider the following characteristics:

$$1.$$ Single machine tool.
$$2.$$ Manual materials handling system
$$3.$$ Computer control.
$$4.$$ Random sequencing of part to machines.

Which of the above characteristics are associated with flexible manufacturing system?

A
$$1,2$$ and $$3$$
B
$$1$$ and $$2$$
C
$$3$$ and $$4$$
D
$$2,$$ $$3$$ and $$4$$
2
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
A $$\phi \,\,25$$ $$mm$$ hole is pierced in a $$t=2.5mm$$ thick steel sheet having shear strength $$\tau = 350\,\,MPa.$$ If the diametral clearance is given by the expression $$C=0.0064$$ $$t$$ $$\sqrt \tau ,$$ the die diameter (in $$mm$$), punch diameter (in $$mm$$) and punch force in $$(kN)$$ respectively are
A
$$25.0, 25.3, 171.8$$
B
$$25.0, 24.7, 68.75$$
C
$$24.7, 25.0, 171.8$$
D
$$25.3, 25.0, 68.75$$
3
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
Flash and gutter are provided in drop forging dies at the following stage:
A
Blocking
B
Preforming (Edgering)
C
Finishing
D
Fullering
4
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
Cold shut (lap) may occur in products obtained by:
A
Casting
B
Forging
C
Machining
D
Welding
EXAM MAP