Engineering Mechanics An ideal machine is one whose efficiency is Between 60 and 70 % Between 80 and 90% 1 Between 70 and 80% Between 60 and 70 % Between 80 and 90% 1 Between 70 and 80% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In actual machines, mechanical advantage is _________ velocity ratio. Greater than Equal to Less than None of these Greater than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 60° + β/2 45° + β/2 β/2 30° + β/2 60° + β/2 45° + β/2 β/2 30° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight of a projectile on downward inclined plane depends upon Both (A) and (B) None of these Angle of inclination of the plane Angle of projection Both (A) and (B) None of these Angle of inclination of the plane Angle of projection ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The matter contained in a body, is called Impulsive force Momentum Weight Mass Impulsive force Momentum Weight Mass ANSWER DOWNLOAD EXAMIANS APP
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