Q441
Open questionFor a shaft diameter of 100 mm, the number of bolts in a flange coupling should be
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Q442
Open questionFor a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be
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Q443
Open questionThe property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called
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Q444
Open questionThe period during which the cam follower remains at rest, when cam moves, is known as
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Q445
Open questionBall bearing type screws are found in following application
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Q446
Open questionAccording to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)
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Q447
Open questionIf the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to
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Q448
Open questionThe product of the diametral pitch and circular pitch is equal to
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Q449
Open questionAccording to Rankine's theory, the failure occurs at a point in a member
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Q450
Open questionPitch point of a cam is
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Q451
Open questionTwo closely coiled helical springs with stiffness k1 and k2 respectively are connected in series. The stiffness of an equivalent spring is given by
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Q452
Open questionFor same pulley diameters, center distance, belt speed and belt and pulley materials,
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Q453
Open questionTwo shafts will have equal strength, if
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Q454
Open questionThe draw of cotter need not exceed
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Q455
Open questionFor a bevel gear having the pitch angle , the ratio of formative number of teeth (TE) to actual number of teeth (T) is
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Q456
Open questionCrushing resistance required to crush the rivet per pitch length is
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Q457
Open questionTearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole and = Permissible tensile stress for plate material)
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Q458
Open questionWhich of the following welded joint is designed for shear strength?
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Q459
Open questionFibrous fracture occurs in
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Q460
Open questionThe ratio of belt tensions considering centrifugal force in flat belt is given by where,
m = mass of belt per meter (kg/m)
v = belt velocity (m/s)
f = coefficient of friction
= angle of wrap (radians)
m = mass of belt per meter (kg/m)
v = belt velocity (m/s)
f = coefficient of friction
= angle of wrap (radians)
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