Machine Design Crowning on pulley helps To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt In increasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt In increasing the slip of the belt To increase pulley life ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Course threads Coefficient of friction is greater than tangent of load angle Fine threads Hole for inserting split pin Course threads Coefficient of friction is greater than tangent of load angle Fine threads Hole for inserting split pin ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of a boiler plate are bevelled to an angle of 30° 80° 45° 60° 30° 80° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads. Double Three times Same Four times Double Three times Same Four times ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T₁ and T₂ are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to T₁ + T₂ + Tc T₁ - T₂ + Tc (T₁ - T₂ + Tc)/2 (T₁ + T₂ + Tc)/2 T₁ + T₂ + Tc T₁ - T₂ + Tc (T₁ - T₂ + Tc)/2 (T₁ + T₂ + Tc)/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Screw jack Aeroplane engines Crane Steering mechanism Screw jack Aeroplane engines Crane Steering mechanism ANSWER DOWNLOAD EXAMIANS APP
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