1
GATE ME 2005
MCQ (Single Correct Answer)
+2
-0.6
A band brake consists of a lever attached to one end of the band. The other end of the band is fixed to the ground. The wheel has a radius of $$200$$ $$mm$$ and the wrap angle of the band is $${270^ \circ }$$. The braking force applied to the lever is limited to $$100N,$$ and the coefficient of friction between the band and the wheel is $$0.5.$$ No other information is given. GATE ME 2005 Machine Design - Design of Brakes and Clutches Question 11 English

The maximum wheel torque that can be completely braked is

A
$$200$$ $$N$$-$$M$$
B
$$382$$ $$N$$-$$M$$
C
$$604$$ $$N$$-$$M$$
D
$$844$$ $$N$$-$$M$$
2
GATE ME 2003
MCQ (Single Correct Answer)
+2
-0.6
In a band brake the ratio of tight side band tension to the tension on the slack side is $$3.$$ If the angle of overlap of band on the drum is $${180^ \circ }$$ the coefficient of friction required between drum and the band is
A
$$0.20$$
B
$$0.25$$
C
$$0.30$$
D
$$0.35$$
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Turbo Machinery
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