1
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+2
-0.6
In a two stage wire drawing operation, the fractional reduction (ratio of change in cross sectional area to initial cross sectional area ) in the first stage is $$0.4.$$ The fractional reduction in the second stage is $$0.3.$$ The overall fractional reduction is
A
$$0.24$$
B
$$0.58$$
C
$$0.60$$
D
$$1.00$$
2
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+2
-0.6
During a $$TIG$$ welding process, the arc current and arc voltage were $$50$$ $$A$$ and $$60$$ $$V,$$ respectively, when the welding speed was $$150$$ $$mm/min.$$ In another process, the $$TIG$$ welding is carried out at a welding speed of $$120mm/min$$ at the same arc welding voltage and heat input to the material so that weld quality remains the same. The welding current (in $$A$$) for this process is
A
$$40.00$$
B
$$44.72$$
C
$$55.90$$
D
$$62.25$$
3
GATE ME 2015 Set 2
Numerical
+2
-0
A single point cutting tool with $${0^0}$$ rake angle is used in an orthogonal machining process. At a cutting speed of $$180$$ $$m/min$$ the thrust force is $$490N.$$ If the coefficient of friction between the tool and the chip is $$0.7.$$ Then the power consumption (in $$kW$$) for the machining operation is ____________
Your input ____
4
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following statements is TRUE?
A
The 'GO' gage controls the upper limit of a hole
B
The 'NO GO' gage controls the lower limit of a shaft
C
The 'GO' gage controls the lower limit of a hole
D
The 'NO GO' gage controls the lower limit of a hole
EXAM MAP