Efficiency of a screw jack is given by Options: A . &nbsptan (α + φ)/tanα B . &nbsptanα/tan (α +φ) C . &nbsptan (α - φ)/tanα D . &nbsptanα/tan (α - φ)

Efficiency of a screw jack is given by

Question

Efficiency of a screw jack is given by

Options:

A . tan (α + φ)/tanα

B . tanα/tan (α +φ)

C . tan (α - φ)/tanα

D . tanα/tan (α - φ)

Answer: Option B

Submit Your Solution Below and Earn Points !

Next Question

Question 1. A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane o....are the radii of rotation of m₁ and m₂ respectively)

Question 2. The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of....number of joints and h = number of higher pairs)

Question 3. The maximum fluctuation of energy is the....

Question 4. The example of lower pair is....

Question 5. The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the....is (where r = Radius of the pin at O)

Question 6. The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the....is (where r = Radius of the pin at O)

Question 7. The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in....

Question 8. The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The ....9(dx/dt) + 16x. The damping ratio of the system is

Question 9. Crowning on pulleys helps....

Question 10. The equation of motion for a vibrating system with viscous dam....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0