Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Increasing None of these Reducing Both A and B Increasing None of these Reducing Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be across threaded portion of shank Never be across the threaded portion Be normal to threaded portion of shank Be parallel to axis of bolt Be across threaded portion of shank Never be across the threaded portion Be normal to threaded portion of shank Be parallel to axis of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 1680 d 2080 d 1420 d 2840 d 1680 d 2080 d 1420 d 2840 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing 0.8% carbon is known as Eutectoid steel None of these Hypereutectoid steel Hypo-eutectoid steel Eutectoid steel None of these Hypereutectoid steel Hypo-eutectoid steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as T sec²φ T cosecφ T sec³φ T/sec³φ T sec²φ T cosecφ T sec³φ T/sec³φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct compressive stress Direct bending stress Direct tensile stress Direct shear stress Direct compressive stress Direct bending stress Direct tensile stress Direct shear stress ANSWER DOWNLOAD EXAMIANS APP
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