The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)-A-α = 45° + B-α = 45° C-α = 90° + φD-α = 90° φ-B-α = 45°

Question

The efficiency of a screw jack is maximum, when (where &alpha; = Helix angle, and &phi; = Angle of friction)-A-&alpha; = 45&deg; + B-&alpha; = 45&deg; C-&alpha; = 90&deg; + &phi;D-&alpha; = 90&deg; &phi;-B-&alpha; = 45&deg;

APTITUDE CRACK · Accepted Answer

B &alpha; = 45&deg;  Explanation: No answer description is available.

Theory of machines - Engineering

The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)

For help Students Orientation
Mcqs Questions

Quick Links

Newsletter

Theory of machines - Engineering

The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)

Solution

For help Students Orientation Mcqs Questions

For help Students Orientation
Mcqs Questions