BRAKES Lesson-4 GATE(Mechanical) Presented by Deep sangeet Maity
About ME Working as a Design engineer at "Cameron Manufacturing India Pvt. Limited (A Schlumberger Company)". Currently working as "GATE content editor and developer"at "Kreatryx". Qualified GATE "3" times Qualified "Gate 2018 with 99.4 percentile 779(75.26 marks) gate score" in mechanical stream. Qualified "Gate 2017 with 98.83 percentile 726(70 marks) gate score" in mechanical stream. . . . I also have an 3+ years of experience of teaching Engineering subjects like Engineering mechanics, Thermodynamics, SOM, HMT E-CADD Engineer at "CADD CENTRE". . Passed B.E. with honours with 76.71%. . I am pursuing my MTech in Thermal. . I have an 2.5+ years of experience as a CADD Engineer. . I also have worked for "CAD ACADEMY" as a Design engineer for 1 year.
A drum brake is shown in the figure. The drum is rotating in anticlockwise direction. The coefficient of friction between drum and shoe is 0.2. The dimensions shown in the figure are in mm. The braking torque (in N.m) for the brake shoe is 1000 N 800 480 100 200 Drum
8 60. MAo 2
-) 69 Nm.
A block-brake shown below has a face width of 300 mm and a mean coefficient of friction of 0.25. For an activating force of 400 N, the braking torque in Nm is 200 mm -400 N 400 mm 300 mm 45 (A) 30 (B) 40 (C) 45 (D) 60
2oomw.L oom So1 (2 2. ax
2-9 => R- 1200 N. 4S Nm Ang
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Deep Sangeet Maity
->YOUTUBER (THE GATE RANKER) ->DESIGN ENGINEER @ SCHLUMBERGER ->KREATRYX GATE Content Developer ->99.4%ile GATE