Home

Join Our Socials

Telegram Group
Join Community
Twitter Group
Pinterest Group
Facebook Group
Subscribe YouTube

What is the correct answer?

4

The maximum efficiency of a screw jack is

A. (1 - sinφ)/(1 + sinφ)

B. (1 + sinφ)/(1 - sinφ)

C. (1 - tanφ)/(1 + tanφ)

D. (1 + tanφ)/(1 - tanφ)

Correct Answer :

A. (1 - sinφ)/(1 + sinφ)


Share this question with your friends
Show all Engineering Mechanics MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Related Questions

The coefficient of friction depends on A screw jack used for lifting the loads is The process of finding out the resultant force is called __________ of… Moment of inertia of a rectangular section having width (b) and depth… The moment of inertia of a sphere of mass m and radius r, about an axis… The friction experienced by a body, when at rest, is known as One watt is equal to The angle which an inclined plane makes with the horizontal when a body… In a screw jack, the effort required to lift the load is given by (where… A differential pulley block has larger and smaller diameters of 100 mm… The total momentum of a system of masses (i. e. moving bodies) in any… Which of the following is not a scalar quantity? When a body falls freely under gravitational force, it possesses __________… Angle of friction is the D' Alembert's principle is used for The angle between two forces when the resultant is maximum and minimum… Tangent of angle of friction is equal to If a rigid body is in equilibrium under the action of three forces, then If n = number of members and y = number of joints, then for a perfect… Whenever a force acts on a body and the body undergoes a displacement,… The power developed by a body acted upon by a torque T Newton metre (N… The ratio of limiting friction and normal reaction is known as In a screw jack, the effort required to lower the load is __________ the… Limiting force of friction is the An ideal machine is one whose efficiency is If a number of forces are acting at a point, their resultant is given… A circular hole of 50 mm diameter is cut out from a circular disc of 100… Three forces acting on a rigid body are represented in magnitude, direction… If three forces acting in one plane upon a rigid body, keep it in equilibrium,… The unit of force in S.I. system of units is

Also checkout

International Business MCQ Current Affairs March 2023 MCQ Transition Element MCQ Phylum - Protozoa MCQ Organic Chemistry MCQ Noble Gases MCQ English Literature MCQ General Biology MCQ Kinetic Theory of Gases MCQ Psychology MCQ General Physics MCQ AP European History MCQ