1
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
Hot rolling of mild steel is carried out
A
at recrystallisation temp
B
between $$100C$$ to $$150C$$
C
below recrystallisation temp
D
above recrystallisation temp
2
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
In blanking operation the clearance is provided on
A
The die
B
The punch
C
Both die and punch equally
D
Neither the punch nor the die
3
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
In centrifugal casting, the lighter impurities are
A
Uniformly distributed
B
Forced towards the outer surface
C
Trapped near the mean radius of the casting
D
Collected at the center of the casting
4
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
The primary purpose of a sprue in a casting mold is to
A
Feed the casting at a rate consistent with the rate of solidification
B
Act as a reservoir for molten metal
C
Feed molten metal from the pouring basin to the gate
D
Help feed the casting until all solidification takes place