1
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
The thickness of metallic sheet is reduced from an initial value of $$16mm$$ to a final value of $$10mm$$ in one single pass rolling with a pair of cylindrical rollers each of diameter of $$400mm.$$ The bite angle in degrees will be
A
$$5.936$$
B
$$7.936$$
C
$$8.936$$
D
$$9.936$$
2
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
In open die forging, a disc of diameter $$200mm$$ height $$60mm$$ is compressed without any barreling effect. The final diameter of the disc is $$400mm.$$ The true strain is
A
$$1.986$$
B
$$1.686$$
C
$$1.386$$
D
$$0.602$$
3
GATE ME 2007
MCQ (Single Correct Answer)
+1
-0.3
Which of the following is a solid state welding process.
A
$$GTAW$$
B
Resistance spot welding
C
Friction welding
D
$$SAW$$
4
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
A $$DC$$ welding machine with a linear power source characteristic provides open circuit voltage of $$80V$$ and short circuit current of $$800A,$$ during welding with the machine , the measured are current is $$500A$$ corresponding to an arc length of $$5.0$$ $$mm$$ and the measured are current $$460A$$ corresponding to an arc length of $$7.0$$ $$mm.$$ The linear voltage $$(E)$$ & arc length $$(L)$$ characteristic of the welding arc can be given as (where $$E$$ is in Volts and $$L$$ is in $$mm$$)
A
$$E=20+2L$$
B
$$E=20+8L$$
C
$$E=80+2L$$
D
$$E=80+8L$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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