Machine Design Allen bolts are Provided with hexagonal depression in head Used in aircraft application Designed for shock load Self locking bolts Provided with hexagonal depression in head Used in aircraft application Designed for shock load Self locking bolts ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Screw jack Aeroplane engines Steering mechanism Crane Screw jack Aeroplane engines Steering mechanism Crane ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Reduce slip Reduce vibration Ensure proper alignment Ensure uniform loading Reduce slip Reduce vibration Ensure proper alignment Ensure uniform loading ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by (k₁ - k₂)/ (k₁ + k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ k₂) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in the belt Decreases the power transmitted Has no effect on the power transmitted Is equal to maximum tension on the belt Increases the power transmitted Decreases the power transmitted Has no effect on the power transmitted Is equal to maximum tension on the belt Increases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The coefficient of friction between the belt and pulley increases The coefficient of friction between the belt and pulley decreases The power transmitted will increase The power transmitted will decrease The coefficient of friction between the belt and pulley increases The coefficient of friction between the belt and pulley decreases The power transmitted will increase The power transmitted will decrease ANSWER DOWNLOAD EXAMIANS APP