1
GATE ME 2005
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is criterion in the design of hydrodynamic journal bearings?
A
Sommerfeld number
B
Rating life
C
Specific dynamic capacity
D
Rotation factor
2
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 12 English

The maximum tension that can be generated in the band during braking is

A
$$1200$$ $$N$$
B
$$2110$$ $$N$$
C
$$3224$$ $$N$$
D
$$4420$$ $$N$$
3
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
$$844$$ $$N$$-$$M$$
4
GATE ME 2005
MCQ (Single Correct Answer)
+2
-0.6
A mould has a downsprue whose length is $$20$$ $$cm$$ and the cross sectional area at the base of the down sprue is $$1\,\,c{m^2}.$$ The down sprue feeds a horizontal runner leading into the mould cavity of volume $$1000\,\,c{m^3}.$$ The time required to fill the mould cavity will be
A
$$4.05$$ s
B
$$5.05$$ s
C
$$6.05$$ s
D
$$7.25$$ s
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