1
GATE ME 2006
MCQ (Single Correct Answer)
+2
-0.6
A bar having a cross-sectional area of 700 mm2 is subjected to axial loads at the positions indicated. The value of stress in the segment BC is GATE ME 2006 Strength of Materials - Simple Stress and Strain Question 14 English
A
40 MPa
B
50 MPa
C
70 MPa
D
120 MPa
2
GATE ME 2006
MCQ (Single Correct Answer)
+1
-0.3
The number of inversions for a slider crank mechanism is
A
6
B
5
C
4
D
3
3
GATE ME 2006
MCQ (Single Correct Answer)
+2
-0.6
A planetary gear train has four gears and one carrier. Angular velocities of the gears are $${\omega _1},{\omega _2},{\omega _3},$$ and $${\omega _4}$$ respectively. The carrier rotates with angular velocity $${\omega _5}.$$ GATE ME 2006 Theory of Machines - Gears and Gear Trains Question 16 English

For $${{\omega _1} = 60}$$ rpm clockwise $$(CW)$$ when looked from the left, what is the angular velocity of the carrier and its direction so that Gear $$4$$ rotates in counter clockwise $$(CCW)$$ direction at twice the angular velocity of Gear $$1$$ when looked from the left?

A
$$130$$ rpm, $$CW$$
B
$$223$$ rpm, $$CCW$$
C
$$256$$ rpm, $$CW$$
D
$$156$$ rpm, $$CCW$$
4
GATE ME 2006
MCQ (Single Correct Answer)
+2
-0.6
A planetary gear train has four gears and one carrier. Angular velocities of the gears are $${\omega _1},{\omega _2},{\omega _3},$$ and $${\omega _4}$$ respectively. The carrier rotates with angular velocity $${\omega _5}.$$ GATE ME 2006 Theory of Machines - Gears and Gear Trains Question 17 English

What is the relation between the angular velocities of Gear $$1$$ and Gear $$4$$?

A
$${{{\omega _1} - {\omega _5}} \over {{\omega _4} - {\omega _5}}} = 6$$
B
$${{{\omega _4} - {\omega _6}} \over {{\omega _1} - {\omega _5}}} = 6$$
C
$${{{\omega _1} - {\omega _2}} \over {{\omega _4} - {\omega _5}}} = - \left( {{2 \over 3}} \right)$$
D
$${{{\omega _2} - {\omega _5}} \over {{\omega _4} - {\omega _5}}} = - \left( {{8 \over 9}} \right)$$
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