1
GATE ME 2001
MCQ (Single Correct Answer)
+1
-0.3
Shrinkage allowance on pattern is provided to compensate for shrinkage when
A
The temperature of liquid metal drops from pouring to freezing temperature
B
The metal changes from liquid to solid state at freezing temperature
C
The temperature of solid phase drops from freezing to room temperature
D
The temperature of metal drops from pouring to room temperature
2
GATE ME 2001
MCQ (Single Correct Answer)
+1
-0.3
Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by
A
Adjusting the current
B
Adjusting the duration of current
C
Changing the electrode size
D
Changing the electrode coating
3
GATE ME 2001
MCQ (Single Correct Answer)
+2
-0.6
resistance spot welding is performed on two plates of $$1.5$$ $$mm$$ thickness with $$6$$ $$mm$$ diameter electrode, using $$15000$$ $$A$$ current for a time duration of $$0.25sec$$. assuming the interface resistance to be $$0.0001\Omega ,$$ the heat generated to form the weld is
A
$$5625$$ $$W$$-$$sec$$
B
$$8437$$ $$W$$-$$sec$$
C
$$22500$$ $$W$$-$$sec$$
D
$$33750$$ $$W$$-$$sec$$
4
GATE ME 2001
MCQ (Single Correct Answer)
+2
-0.6
During orthogonal cutting of mild steel with a $$10$$ degrees rake angle tool the chip thickness ratio was obtained as $$0.4.$$ The shear angle (in degrees) evaluated from this data is
A
$$6.53$$
B
$$20.22$$
C
$$22.94$$
D
$$50.00$$
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Medical
NEET
Graduate Aptitude Test in Engineering
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