H V are the algebraic sums of the forces resolved ho... - Solved MCQs & Answer

Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing Reason R: If the angle of swing is decreased, the cycle time will be decreased________?

Ans: Both A and R are true and R is the correct explanation of ARead →

MCQ #725

By boiling water, hardness can be removed if it is due to________?

Ans: calcium bicarbonateRead →

MCQ #1489

For stairs spanning horizontally, the minimum waist provided is________?

Ans: 12 cmRead →