1
GATE ME 2013
+2
-0.6
A compound gear train with gears P, Q, R and S has number of teeth 20, 40, 15 and 20, respectively. Gears Q and R are mounted on the same shaft as shown in the figure below. The diameter of the gear Q is twice that of the gear R. If the module of the gear R is 2 mm, the center distance in mm between gears P and S is
A
40
B
80
C
120
D
160
2
GATE ME 2010
+2
-0.6
For the epicyclic gear arrangement shown in the figure, $${{\omega _2} = 100}$$ rad/s clockwise (CW) and $${{\omega _{arm}} = 80}$$ rad/s counter clockwise (CCW). The angular velocity $${{\omega _5}}$$ (in rad/s) is
A
$$0$$
B
$$70$$ CW
C
$$140$$ CCW
D
$$140$$ CW
3
GATE ME 2009
+2
-0.6
An epicyclic gear train is shown schematically in the adjacent figure The sun gear 2 on the input shaft is a 20 teeth external gear. The planet gear 3 is a 40 teeth external gear. The ring gear 5 is a 100 teeth internal gear. The ring gear 5 is fixed and the gear 2 is rotating at 60 rpm CCW (CCW $$=$$ counter-clockwise and CW $$=$$ clockwise)

The arm 4 attached to the output shaft will rotate at

A
10 rpm, CCW
B
10 rpm, CW
C
12 rpm, CW
D
12 rpm, CCW
4
GATE ME 2006
+2
-0.6
Match the items in columns $$I$$ and $$II$$

Column $$I$$
$$P.$$ Addendum
$$Q.$$ Instantaneous center of velocity
$$R.$$ Section modulus
$$S.$$ Prince circle

Column $$II$$
$$1.$$ Cam
$$2.$$ Beam
$$3.$$ Linkage
$$4.$$ Gear

A
$$P = 4,Q = 2,R = 3,S = 1$$
B
$$P = 4,Q = 3,R = 2,S = 1$$
C
$$P = 3,Q = 2,R = 1,S = 4$$
D
$$P = 3,Q = 4,R = 1,S = 2$$
GATE ME Subjects
EXAM MAP
Medical
NEET