Engineering Mechanics The ratio of static friction to dynamic friction is always Less than one Greater than one None of these Equal to one Less than one Greater than one None of these Equal to one ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction. Increase Not be effected Decrease None of these Increase Not be effected Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One joule is equal to 10 N-m 100 N-m 1 N-m 0.1 N-m 10 N-m 100 N-m 1 N-m 0.1 N-m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 4r/ 3π 3r/4π 8r/3 3r/ 8 4r/ 3π 3r/4π 8r/3 3r/ 8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Electrical energy Kinetic energy Strain energy Heat energy Electrical energy Kinetic energy Strain energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
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